Dipentamethylene Thiuram Tetrasulfide (DPTT) can be used as the main accelerator in chlorosulfonated polyethylene rubber, styrene-butadiene rubber, butyl rubber.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is especially suitable for nitrile rubber when used in combination with thiazole accelerators.
Dipentamethylene Thiuram Hexasulfide (DPTT) is used as an accelerator for natural rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber, and chlorosulfonated polyethylene rubber.
Dipentamethylene Thiuram Hexasulfide (DPTT) can also be used as a vulcanizing agent.
Dipentamethylene Thiuram Tetrasulfide (DPTT)
CAS Number: 120-54-7
EC Number: 204-406-0
Molecular Formula: C₁₂H₂₀N₂S₆
Molecular Weight: 384.69 g/mol
Dipentamethylene Thiuram Hexasulfide (DPTT)
CAS Number: 971-15-3
EC Number: 213-537-2
Molecular Formula: C₁₂H₂₀N₂S₈
Molecular Weight: 448.77–449.0 g/mol
SYNONYMS:
DIPENTAMETHYLENE THIURAM TETRASULFIDE (DPTT):
Dipentamethylene Thiuram Tetrasulfide, DPTT, Bis(pentamethylene)thiuram Tetrasulfide, Tetramethylene Thiuram Tetrasulfide, Bis(piperidylthiocarbamyl) Tetrasulfide, Piperidine Thiuram Tetrasulfide, Thiuram Tetrasulfide DPTT, Accelerator DPTT, Vulcanization Accelerator DPTT, N,N'-Dipentamethylene Thiuram Tetrasulfide, Bis(pentamethylene thiocarbamyl) Tetrasulfide, 120-54-7, Dipentamethylenethiuram tetrasulfide, Bis(pentamethylene)thiuram tetrasulfide, Thiuram MT, Tetrone A, Nocceler TRA, Noksera TRA, Sanceler TRA, Sulfads, Tetron A, Soxinol TRA, Bis(piperidinothiocarbonyl) tetrasulfide, USAF B-31, Tetrasulfide, bis(piperidinothiocarbonyl), Bis(piperidinothiocarbonyl) tetrasulphide, PIPERIDINE, 1,1'-(TETRATHIODICARBONOTHIOYL)BIS-, Tetrasulfide, bis(pentamethylenethiuram)-, Thiuram tetrasulfide, bis(piperidinothiocarbonyl), Di-N,N'-pentamethylenethiuram tetrasulfide, NSC 4823, EINECS 204-406-0, YX3WH7S23F, Bis(pentamethylenethiuram)-tetrasulfide, BRN 0298051, AI3-28516, NSC-4823, 4-20-00-01016 (Beilstein Handbook Reference), DTXSID0044789, Methanethione, 1,1'-tetrathiobis(1-(1-piperidinyl)-, Methanethione, 1,1'-tetrathiobis[1-(1-piperidinyl)-, SULFADS POWDER, RefChem:588794, DTXCID8024789, Bis(pentamethylenethiuram)tetrasulfide, DiN,N'pentamethylenethiuram tetrasulfide, Tetrasulfide, bis(pentamethylenethiuram), Piperidine, 1,1'(tetrathiodicarbonothioyl)bis, Methanethione, 1,1'tetrathiobis(1(1piperidinyl), Tetrasulfide, bis(piperidinothiocarbonyl) (8CI), 204-406-0, Tetrasulfanediylbis(piperidin-1-ylmethanethione), (piperidine-1-carbothioyltrisulfanyl) piperidine-1-carbodithioate, NSC4823, Dipentamethylenethiuram Tetrasulfide (so called) [Vulcanization Accelerator], MFCD00047474, Bis(pentamethylenethiuram) tetrasulfide, Bis(pentamethylenethiocarbamoyl) Tetrasulfide, C12H20N2S6, UNII-YX3WH7S23F, dipentamethylene thiuram tetrasulfide, SCHEMBL22910, dipentamethylenthiuramtetrasulfid, WLN: T6NTJ AYUS&SS 2, VNDRMZTXEFFQDR-UHFFFAOYSA-, MSK2980, (piperidine-1-carbothioylsulfanyl)disulfanyl piperidine-1-carbodithioate, AKOS015913901, FD36421, AS-67746, DA-51182, Di-N, N'-pentamethylenethiuram tetrasulfide, HY-145497, CS-0375204, D0279, NS00019869, Piperidine,1'-(tetrathiodicarbonothioyl)bis-, D97700, dipentamethylenethiuram tetrasulfide, AldrichCPR, F240951, Piperidine, 1, 1'-(tetrathiodicarbonothioyl)bis-, Q27294754, (Tetrasulfane-1,4-diyl)bis[(piperidin-1-yl)methanethione], 1-((4-(1-Piperidinylcarbothioyl)tetrasulfanyl)carbothioyl)piperidine, Dipentamethylenethiuram Tetrasulfide, inverted exclamation markO98%, 1-([4-(1-Piperidinylcarbothioyl)tetrasulfanyl]carbothioyl)piperidine #, Dipentamethylenethiuram tetrasulfide ('so called' vulcaniZation accelerator), piperidine-1-carbothioyldisulfanyldisulfanyl-(1-piperidyl)methanethione, InChI=1/C12H20N2S6/c15-11(13-7-3-1-4-8-13)17-19-20-18-12(16)14-9-5-2-6-10-14/h1-10H2, DPTT, DIPENTAMETHYLENETHIURAM TETRASULFIDE, TRA, tetrona, usafb-31, tetronea, SULPHADS, thiurammt, USAF 5-31, soxinoltra, bis(pentamethylenethiocarbamoyl) tetrasulfide, bis(pentamethylene)thiuram tetrasulfide, bis(piperidinothiocarbonyl) tetrasulfide, dptt, 1,1'-(tetrathiodicarbonothioyl)-bis-piperidine, 1,1'-(tetrathiodicarbonothioyl)bis-piperidin, accelerator(tra), bis(pentamethylenethiuram)-tetrasulfid, noccelertra, sancelertra, soxinoltra, tetrasulfide,bis(piperidinothiocarbonyl), tetrona, tetronea, thiurammt, thiuramtetrasulfide,bis(piperidinothiocarbonyl), usafb-31, accelerator dptt, dipentamethylenethiram tetrasulfide, ;n,n:n,n-di(pentamethylene)thiuram tetrasulfide, dipentamethylenethiuram tetrasulfide so called for vulcanization accelerator, tra, accelerator tra, dipentamethylene thiuram tetrasulfide, dipentamethylene thiuramtetrasulfide, dipentamethyene thiuram tetrasulfide, Accelerant DPTT, tetrasulfane-1,4-diylbis(piperidin-1-ylmethanethione), Rubber Accelerator DPTT, Rubber Accelerator TRA, ACCELERATOR DPTT(TRA)
DIPENTAMETHYLENE THIURAM HEXASULFIDE (DPTT):
Dipentamethylene Thiuram Hexasulfide, DPTT, Bis(pentamethylene) Thiuram Hexasulfide, N,N'-Dipentamethylene Thiuram Hexasulfide, Bis(piperidylthiocarbamyl) Hexasulfide, Piperidine Thiuram Hexasulfide, Thiuram Hexasulfide DPTT, Accelerator DPTT, Vulcanization Accelerator DPTT, Sulfur Donor DPTT, Rubber Accelerator DPTT, Dipentamethylenethiuram hexasulfide, 971-15-3, Bis(piperidinothiocarbonyl) hexasulphide, Hexasulfide, bis(1-piperidinylthioxomethyl), Hexasulfide, bis(piperidinothiocarbonyl), Piperidine, 1,1'-(hexathiodicarbonothioyl)bis-, ESX7OZN94X, EINECS 213-537-2, Bis(piperidinothiocarbonyl) hexasulfide, RHENOGRAN DPTT 70, EC 213-537-2, DIPENTAMETHYLENETHIURAM HEXASULPHIDE, RefChem:588793, 213-537-2, 1,6-hexasulfanediylbis(1-piperidinylmethanethione), DTXSID4020535, (piperidine-1-carbothioylpentasulfanyl) piperidine-1-carbodithioate, Bis(1-piperidinylthioxomethyl)hexasulfide, UNII-ESX7OZN94X, C12H20N2S8, DTXCID60535, 1,1'-(hexasulfane-1,6-diyldicarbonothioyl)dipiperidine, CHEMBL3187085, SCHEMBL10887385, HPFHYRNETZEPIV-UHFFFAOYSA-N, Tox21_202783, MFCD00053587, Dipentamethylenethiuram hexasulfide(DPTT), NCGC00260329-01, AS-81907, CAS-971-15-3, DB-230017, NS00007047, D95991, Q27277346, (Hexasulfane-1,6-diyl)bis[(piperidin-1-yl)methanethione], SULFADS, bis(piperidinothiocarbonyl) hexasulphide, DPTT(DPTH), SULFADS RODFORM, Accelerator DPTT TRA, Hexamethylenebisthiuramhexasulfide, DIPENTAMETHYLENETHIURAM HEXASULFIDE, Dipentamethylenethiuram hexasulfide(DPTT), bis-(piperidine-1-thiocarbonyl)-hexasulfane, Bis[piperidinocarbonothioyl] perhexasulfide
DIPENTAMETHYLENE THIURAM TETRASULFIDE (DPTT)
Dipentamethylene Thiuram Tetrasulfide (DPTT) is a sulfur-containing organic accelerator belonging to the thiuram accelerator family.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is widely used in the rubber industry as an ultra-fast primary or secondary vulcanization accelerator and as a sulfur donor in sulfur-curing systems.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is particularly effective in natural rubber (NR), styrene-butadiene rubber (SBR), nitrile rubber (NBR), butyl rubber (IIR), EPDM, and other synthetic elastomers.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is valued for its ability to accelerate vulcanization, improve crosslink density, reduce curing time, and enhance the physical and aging properties of vulcanized rubber products.
Unlike elemental sulfur, Dipentamethylene Thiuram Tetrasulfide (DPTT) functions as a controlled sulfur donor, producing efficient crosslinking while minimizing sulfur bloom and improving heat-aging resistance.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is an accelerator found in the rubber industry.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is also an antioxidant used in adhesive systems.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is an organosulfur rubber accelerator, sulfur donor, and heat-resistance additive.
Note that the chemical normally functions with a tetrasulfide or hexasulfide chain rather than a "tetrahexasulfide" designation
Dipentamethylene Thiuram Tetrasulfide (DPTT) is a non-discoloring and non-staining accelerator.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is a very active sulfur-bearing accelerator and contains approximately 25% available sulfur.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is a thiuram type accelerators used in the self-healing, reshaping, and recycling of vulcanized rubber
Dipentamethylene Thiuram Tetrasulfide (DPTT) is a polymeric matrix that contains a cross-linking agent and a hydroxyl group.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is an organosulfur compound primarily used as a rubber accelerator in the production of vulcanized rubber.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is characterized by its complex molecular structure, which includes multiple sulfur atoms and a thiuram group, contributing to its reactivity and effectiveness in promoting cross-linking in rubber formulations.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is typically a yellow to brown powder and is known for its stability under normal conditions, although it can decompose when exposed to high temperatures or strong oxidizing agents.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is soluble in organic solvents but has limited solubility in water.
In terms of safety, Dipentamethylene Thiuram Tetrasulfide (DPTT) can be a skin and respiratory irritant, necessitating appropriate handling precautions.
DIPENTAMETHYLENE THIURAM HEXASULFIDE (DPTT)
Dipentamethylene Thiuram Hexasulfide (DPTT) is a sulfur-rich thiuram-based vulcanization accelerator and sulfur donor used in the rubber industry to promote rapid and efficient sulfur crosslinking.
Dipentamethylene Thiuram Hexasulfide (DPTT) belongs to the thiuram family of rubber accelerators and is specifically designed for applications requiring high sulfur-donor activity, excellent heat resistance, and efficient vulcanization.
Compared with conventional sulfur curing systems, Dipentamethylene Thiuram Hexasulfide (DPTT) supplies chemically bound sulfur to the rubber compound, allowing improved control of crosslink formation while reducing the amount of free elemental sulfur required.
Dipentamethylene Thiuram Hexasulfide (DPTT) is primarily used in natural rubber (NR), styrene-butadiene rubber (SBR), nitrile rubber (NBR), butyl rubber (IIR), EPDM, chloroprene rubber (CR), and numerous specialty elastomers.
Dipentamethylene Thiuram Hexasulfide (DPTT) is particularly suitable for dynamic rubber articles, heat-resistant rubber compounds, molded industrial products, automotive components, seals, hoses, and other engineering elastomer applications where long-term thermal stability and mechanical performance are essential.
Dipentamethylene Thiuram Hexasulfide (DPTT) is effective at low and high temperatures.
Dipentamethylene Thiuram Hexasulfide (DPTT) is particularly suitable for light-coloured stocks.
USES and APPLICATIONS of DIPENTAMETHYLENE THIURAM TETRASULFIDE (DPTT):
Dipentamethylene Thiuram Tetrasulfide (DPTT) is used as an auxiliary accelerator for natural rubber, synthetic rubber and latex.
Because Dipentamethylene Thiuram Tetrasulfide (DPTT) can decompose free sulfur when heated, it can also be used as a vulcanizing agent.
The effective sulfur content is 28% of its mass.
When used as a vulcanizing agent, Dipentamethylene Thiuram Tetrasulfide (DPTT) is relatively safe at the operating temperature, and the vulcanized rubber has excellent heat resistance and aging resistance.
Dipentamethylene Thiuram Tetrasulfide (DPTT) can be used as the main accelerator in chlorosulfonated polyethylene rubber, styrene-butadiene rubber, butyl rubber.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is especially suitable for nitrile rubber when used in combination with thiazole accelerators.
Dipentamethylene Thiuram Tetrasulfide (DPTT) has excellent compression deformation and heat resistance.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is advisable to use the accelerator WILLING MZ together in the manufacture of latex sponges.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is easy to disperse in dry rubber and also in water.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is generally used to manufacture heat-resistant products, cables, etc.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is extensively used as a vulcanization accelerator and sulfur donor in the manufacture of a wide variety of rubber products.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is suitable for natural rubber, styrene-butadiene rubber, nitrile rubber, butyl rubber, EPDM, chloroprene rubber, and numerous synthetic elastomer systems.
Because of its rapid curing characteristics, Dipentamethylene Thiuram Tetrasulfide (DPTT) is frequently selected for high-productivity manufacturing operations where reduced curing cycles are economically beneficial.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is widely applied in the production of automotive components, industrial rubber goods, conveyor belts, transmission belts, rubber hoses, seals, gaskets, diaphragms, molded technical rubber products, cable insulation, rubber-coated fabrics, footwear components, rollers, vibration isolators, and shock-absorbing parts.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is also used in heat-resistant rubber compounds, dynamic rubber articles, and engineering elastomers that require excellent durability under demanding operating conditions.
As a sulfur donor, Dipentamethylene Thiuram Tetrasulfide (DPTT) allows formulators to reduce or even eliminate free sulfur in certain curing systems, thereby minimizing sulfur bloom and improving heat-aging characteristics.
Dipentamethylene Thiuram Tetrasulfide (DPTT) contributes to consistent crosslink formation, improved dimensional stability, and enhanced resistance to reversion during prolonged exposure to elevated temperatures.
In specialty rubber formulations, Dipentamethylene Thiuram Tetrasulfide (DPTT) is often employed to obtain low compression set, high modulus, improved tensile properties, and superior resistance to thermal degradation.
Dipentamethylene Thiuram Tetrasulfide (DPTT)'s compatibility with many commercial accelerator systems makes it a versatile component in modern elastomer technology.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is frequently used in combination with other accelerators such as thiazoles, sulfenamides, guanidines, and dithiocarbamates to optimize cure characteristics and processing safety.
Because it does not release free sulfur as readily as conventional sulfur systems, Dipentamethylene Thiuram Tetrasulfide (DPTT) is especially suitable for applications requiring excellent thermal stability, low compression set, and long-term durability.
Dipentamethylene Thiuram Tetrasulfide (DPTT) imparts unusually good heat resistance to sulfurless compounds and may be used as a primary accelerator for Hypalon and Butyl as well as an excellent secondary accelerator for EPDM.
Dipentamethylene Thiuram Tetrasulfide (DPTT) can also be used as a vulcanizing agent for heat resistant latex.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is used as a fungicide to control the growth of fungi on plants.
Dipentamethylene Thiuram Tetrasulfide (DPTT) has been shown to have strong antifungal activity against plant pathogens such as Botrytis cinerea, Rhizoctonia solani, and Sclerotinia sclerotiorum.
The mechanism of action is not well-understood but may involve inhibiting DNA synthesis by binding to the enzyme RNA polymerase or preventing cell wall formation by binding to glycoprotein precursors or other carbohydrate moieties.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is usually formulated with benzalkonium chloride, calcium stearate, and zinc diethyldithiocarbamate for use in agriculture.
Its applications extend beyond rubber manufacturing, as Dipentamethylene Thiuram Tetrasulfide (DPTT) can also be utilized in various polymer systems and as a chemical intermediate in organic synthesis.
Overall, Dipentamethylene Thiuram Tetrasulfide (DPTT) plays a significant role in enhancing the performance and durability of rubber products.
CHARACTERISTICS of DIPENTAMETHYLENE THIURAM TETRASULFIDE (DPTT):
Dipentamethylene Thiuram Tetrasulfide (DPTT) is recognized as one of the most effective sulfur-donor accelerators used in rubber vulcanization technology.
Dipentamethylene Thiuram Tetrasulfide (DPTT) combines the functions of an accelerator and a sulfur donor, allowing rubber compounds to achieve efficient crosslinking with reduced dependence on elemental sulfur.
This results in vulcanizates that exhibit improved heat resistance, reduced sulfur bloom, and enhanced long-term aging performance.
Dipentamethylene Thiuram Tetrasulfide (DPTT) provides exceptionally rapid curing while maintaining good processing characteristics when properly formulated.
Because of its cyclic thiuram structure, Dipentamethylene Thiuram Tetrasulfide (DPTT) promotes the formation of stable monosulfidic and disulfidic crosslinks, which contribute to superior thermal stability and mechanical durability compared with conventional sulfur-rich curing systems.
Dipentamethylene Thiuram Tetrasulfide (DPTT) performs particularly well in compounds requiring excellent compression set, high tensile strength, abrasion resistance, and resistance to dynamic fatigue.
Dipentamethylene Thiuram Tetrasulfide (DPTT) is commonly incorporated into sulfur curing systems together with MBTS, CBS, TBBS, TMTD, ZDEC, ZDBC, or other accelerators to balance scorch safety, cure speed, and final physical properties.
Dipentamethylene Thiuram Tetrasulfide (DPTT) also demonstrates good dispersion in rubber compounds and contributes to uniform vulcanization throughout thick or complex molded articles.
BENEFITS of DIPENTAMETHYLENE THIURAM TETRASULFIDE (DPTT):
Dipentamethylene Thiuram Tetrasulfide (DPTT) offers numerous advantages in rubber processing and vulcanization.
Dipentamethylene Thiuram Tetrasulfide (DPTT) significantly shortens curing time while producing highly efficient sulfur crosslinks that improve the mechanical and thermal performance of vulcanized rubber.
Dipentamethylene Thiuram Tetrasulfide (DPTT) enhances tensile strength, tear resistance, abrasion resistance, resilience, elasticity, hardness retention, and fatigue resistance.
Dipentamethylene Thiuram Tetrasulfide (DPTT)'s sulfur-donor characteristics reduce sulfur bloom, improve heat-aging performance, and produce more thermally stable crosslink structures than conventional sulfur curing systems.
This contributes to longer service life for finished rubber products operating under elevated temperatures or cyclic mechanical loading.
Dipentamethylene Thiuram Tetrasulfide (DPTT) also improves processing efficiency by reducing press curing times, increasing manufacturing productivity, and allowing more consistent vulcanization throughout thick rubber sections.
Because Dipentamethylene Thiuram Tetrasulfide (DPTT) functions effectively at relatively low dosage levels, it can optimize formulation costs while maintaining high-quality physical properties.
When used with appropriate accelerator combinations, Dipentamethylene Thiuram Tetrasulfide (DPTT) provides an excellent balance between scorch safety and cure speed, making it suitable for a wide range of industrial rubber applications.
USES and APPLICATIONS of DIPENTAMETHYLENE THIURAM HEXASULFIDE (DPTT):
Dipentamethylene Thiuram Hexasulfide (DPTT)
Dipentamethylene Thiuram Hexasulfide (DPTT) is primarily used as an ultra-fast vulcanization accelerator and sulfur donor in sulfur-curable elastomer systems.
Dipentamethylene Thiuram Hexasulfide (DPTT) is widely employed in the production of automotive rubber components, industrial seals, O-rings, gaskets, hoses, conveyor belts, transmission belts, cable insulation, molded technical rubber goods, vibration-damping elements, rollers, diaphragms, footwear components, and numerous specialty elastomer products.
Dipentamethylene Thiuram Hexasulfide (DPTT) is suitable for natural rubber, styrene-butadiene rubber, nitrile rubber, butyl rubber, EPDM, chloroprene rubber, and various synthetic elastomers that require rapid curing and high-performance physical properties.
Dipentamethylene Thiuram Hexasulfide (DPTT) is frequently selected for formulations designed to achieve excellent heat resistance, low compression set, high tensile strength, superior abrasion resistance, and long service life.
As a sulfur donor, Dipentamethylene Thiuram Hexasulfide (DPTT) contributes chemically bound sulfur directly to the vulcanization process, allowing formulators to reduce the amount of free sulfur in the compound.
This approach improves cure efficiency, reduces sulfur bloom, enhances resistance to thermal aging, and produces more stable crosslink structures.
Dipentamethylene Thiuram Hexasulfide (DPTT) is commonly combined with sulfenamides, thiazoles, guanidines, and dithiocarbamate accelerators to optimize scorch safety, processing characteristics, and overall vulcanization performance.
Dipentamethylene Thiuram Hexasulfide (DPTT) is especially useful in engineering rubber compounds that operate under elevated temperatures, repeated mechanical stress, or aggressive industrial environments where long-term durability is critical.
Dipentamethylene Thiuram Hexasulfide (DPTT)'s rapid curing characteristics also contribute to shorter production cycles and improved manufacturing efficiency.
Dipentamethylene Thiuram Hexasulfide (DPTT) is commonly used together with thiazoles, sulfenamides, dithiocarbamates, and other secondary accelerators to achieve balanced scorch safety, rapid cure, and excellent physical properties.
Rubber Vulcanization Accelerator: Dipentamethylene Thiuram Hexasulfide (DPTT) is specifically designed as an accelerator for rubber vulcanization processes.
Wide Application Scope: Dipentamethylene Thiuram Hexasulfide (DPTT) is suitable for rubber, plastics, adhesives, coatings, and various chemical industries.
Dipentamethylene Thiuram Hexasulfide (DPTT) is a thiuram accelerator and is used as an auxiliary accelerator for natural rubber, synthetic rubber and latex.
Dipentamethylene Thiuram Hexasulfide (DPTT) can be used as the main accelerator in chlorosulfonated polyethylene rubber, styrene-butadiene rubber and butyl rubber.
Dipentamethylene Thiuram Hexasulfide (DPTT) is used as an accelerator for natural rubber, styrene-butadiene rubber, nitrile rubber, chloroprene rubber, and chlorosulfonated polyethylene rubber.
Dipentamethylene Thiuram Hexasulfide (DPTT) can also be used as a vulcanizing agent.
Dipentamethylene Thiuram Hexasulfide (DPTT) can also be used in latex.
Dipentamethylene Thiuram Hexasulfide (DPTT) can improve the heat resistance and aging performance of vulcanized rubber, especially suitable for light-colored products.
BENEFITS of DIPENTAMETHYLENE THIURAM HEXASULFIDE (DPTT):
Dipentamethylene Thiuram Hexasulfide (DPTT) offers numerous advantages for rubber manufacturers seeking improved curing performance and enhanced finished-product quality.
Dipentamethylene Thiuram Hexasulfide (DPTT) provides extremely rapid vulcanization while producing efficient sulfur crosslink networks that improve tensile strength, tear resistance, modulus, resilience, fatigue resistance, abrasion resistance, and hardness retention.
The higher sulfur content allows Dipentamethylene Thiuram Hexasulfide (DPTT) to function as an effective sulfur donor, reducing the requirement for elemental sulfur and helping minimize sulfur bloom.
Vulcanizates prepared with Dipentamethylene Thiuram Hexasulfide (DPTT) generally exhibit improved thermal stability, excellent heat-aging resistance, lower compression set, and superior resistance to reversion compared with conventional sulfur-rich curing systems.
Dipentamethylene Thiuram Hexasulfide (DPTT) also contributes to improved productivity by reducing curing time and increasing manufacturing efficiency.
Dipentamethylene Thiuram Hexasulfide (DPTT)'s good compatibility with a broad range of commercial accelerator systems provides considerable formulation flexibility, allowing compounders to tailor cure characteristics for specific industrial applications.
Because only relatively small quantities are typically required, Dipentamethylene Thiuram Hexasulfide (DPTT) can provide cost-effective performance while maintaining excellent physical properties and long-term durability.
Dipentamethylene Thiuram Hexasulfide (DPTT) is an effective primary or secondary accelerator or sulphur donor for use in IIR, EPDM, NR, IR, SBR, CR, CSM, and particularly for NBR.
For CSM, Dipentamethylene Thiuram Hexasulfide (DPTT) should be used together with MBTS to furnish higher safety in blending procedure.
Dipentamethylene Thiuram Hexasulfide (DPTT) also yields white rubber with excellent resistance against weathering.
With NR and synthetic rubbers, Dipentamethylene Thiuram Hexasulfide (DPTT) vulcanises without sulphur at low temperatures and leads to products with good physical properties and superb resistance against ageing.
CHARACTERISTICS of DIPENTAMETHYLENE THIURAM HEXASULFIDE (DPTT):
Dipentamethylene Thiuram Hexasulfide (DPTT) is characterized by its exceptionally high sulfur-donor capacity, making it an efficient accelerator for sulfur vulcanization systems requiring enhanced crosslink density and improved thermal stability.
The presence of six sulfur atoms enables Dipentamethylene Thiuram Hexasulfide (DPTT) to contribute a greater amount of chemically bound sulfur during vulcanization than the corresponding tetrasulfide, resulting in efficient network formation within the elastomer.
Dipentamethylene Thiuram Hexasulfide (DPTT) provides rapid curing while promoting uniform crosslink distribution throughout the rubber matrix.
Dipentamethylene Thiuram Hexasulfide (DPTT) contributes to improved heat resistance, excellent aging performance, enhanced compression set resistance, and increased durability under dynamic loading conditions.
Dipentamethylene Thiuram Hexasulfide (DPTT) also reduces dependence on free elemental sulfur, helping to minimize sulfur bloom and improve the long-term appearance and stability of finished rubber products.
Because of its excellent compatibility with a wide range of commercial accelerator systems, Dipentamethylene Thiuram Hexasulfide (DPTT) is frequently incorporated into complex cure packages where scorch safety, cure speed, mechanical strength, and thermal performance must be carefully balanced.
Dipentamethylene Thiuram Hexasulfide (DPTT) is particularly valuable for high-performance technical rubber goods exposed to elevated temperatures, repeated flexing, or demanding industrial environments.
PHYSICAL and CHEMICAL PROPERTIES of DIPENTAMETHYLENE THIURAM TETRAHEXASULFIDE (DPTT):
DIPENTAMETHYLENE THIURAM TETRASULFIDE (DPTT):
Molecular formula: C₁₂H₂₀N₂S₆
Molecular weight: 384.69 g/mol
Appearance: Yellow to pale yellow powder
Physical state: Solid
Odor: Slight sulfur-like characteristic odor
Color: Light yellow to yellow
Melting point: Approximately 110–120°C
Boiling point: Decomposes before boiling
Density: Approximately 1.40–1.50 g/cm³
Bulk density: Approximately 0.45–0.70 g/cm³
Solubility in water: Practically insoluble
Solubility in acetone: Slightly soluble
Solubility in benzene: Soluble
Solubility in chloroform: Soluble
Solubility in carbon disulfide: Soluble
Solubility in toluene: Slightly soluble
Solubility in ethanol: Slightly soluble
Vapor pressure: Negligible at room temperature
Flash point: Not readily applicable (solid material)
Auto-ignition temperature: Not well established
Thermal stability: Stable under normal storage conditions; decomposes upon strong heating
Decomposition temperature: Above melting range
Decomposition products: Carbon oxides (CO, CO₂), sulfur oxides (SOₓ), nitrogen oxides (NOₓ), hydrogen sulfide (H₂S), and other sulfur-containing compounds
pH: Not applicable (insoluble solid)
Molecular structure: Cyclic thiuram tetrasulfide
Sulfur content: Approximately 50%
Exact mass: 383.991 g/mol
Hydrogen bond acceptors: 6
Hydrogen bond donors: 0
Rotatable bonds: 3
Topological Polar Surface Area (TPSA): Approximately 115 Ų
Heavy atom count: 20
Chemical class: Thiuram accelerator
Cure mechanism: Sulfur donor accelerator
Cure rate: Ultra-fast
Scorch tendency: Moderate to high depending on formulation
Crosslink efficiency: High
Blooming tendency: Low when used within recommended dosage levels
Compatibility: Compatible with sulfur, thiazoles, sulfenamides, guanidines, and dithiocarbamate accelerators
Storage stability: Stable for at least two years when stored in sealed containers in cool, dry conditions
Moisture sensitivity: Low
Oxidation stability: Good under recommended storage conditions
Chemical Name: Dipentamethylene Thiuram Tetrasulfide
Common Abbreviation: DPTT
CAS Number: 120-54-7
EC Number: 204-406-0
Molecular Formula: C₁₂H₂₀N₂S₆
Molecular Weight: 384.69 g/mol
Empirical Formula (Hill Notation): C12H20N2S6
Molecular Weight: 384.69
UNSPSC Code: 12352200
PubChem Substance ID: 329786238
EC Number: 204-406-0
MDL number: MFCD00047474
NACRES: NA.21
Physical state: Crystalline powder
Color: light yellow
Odor: No data available
Melting point/freezing point: Melting point/ range: 120 °C
Initial boiling point and boiling range: No data available
Flammability (solid, gas): No data available
Upper/lower flammability or explosive limits: No data available
Flash point: No data available
Autoignition temperature: No data available
Decomposition temperature: No data available
pH: No data available
Viscosity: Viscosity, kinematic: No data available
Viscosity, dynamic: No data available
Water solubility: practically insoluble
Partition coefficient: n-octanol/water: No data available
Vapor pressure: No data available
Density: No data available
Relative density: No data available
Relative vapour density: No data available
Particle characteristics: No data available
Explosive properties: No data available
Oxidizing properties: No data available
Molecular Weight: 384.7 g/mol
XLogP3-AA: 4.3
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 6
Rotatable Bond Count: 5
Exact Mass: 383.99507569 Da
Monoisotopic Mass: 383.99507569 Da
Topological Polar Surface Area: 172 Ų
Heavy Atom Count: 20
Formal Charge: 0
Complexity: 294
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
CBNumber: CB1168358
Molecular Formula: C12H20N2S6
Molecular Weight: 384.69
MDL Number: MFCD00047474
MOL File: 120-54-7.mol
Melting point: 118.0 to 122.0 °C
Boiling point: 510.1±33.0 °C(Predicted)
Density: 1.4933 (rough estimate)
refractive index: 1.5700 (estimate)
storage temp.: Sealed in dry,Room Temperature
Water Solubility: Practically insoluble in water
form: powder to crystal
pka: 0.85±0.20(Predicted)
color: White to Light yellow
InChI: 1S/C12H20N2S6/c15-11(13-7-3-1-4-8-13)17-19-20-18-12(16)14-9-5-2-6-10-14/h1-10H2
InChIKey: VNDRMZTXEFFQDR-UHFFFAOYSA-N
SMILES: S=C(SSSSC(=S)N1CCCCC1)N2CCCCC2
CAS DataBase Reference: 120-54-7(CAS DataBase Reference)
FDA 21 CFR: 175.105; 175.300; 177.1210
Indirect Additives used in Food Contact Substances: DIPENTAMETHYLENETHIURAM TETRASULFIDE
FDA UNII: YX3WH7S23F
EPA Substance Registry System: Dipentamethylenethiuram tetrasulfide (120-54-7)
UNSPSC Code: 12352200
NACRES: NA.21
Empirical Formula (Hill Notation): C12H20N2S6
Molecular Weight: 384.69
UNSPSC Code: 12352200
PubChem Substance ID: 329786238
EC Number: 204-406-0
MDL number: MFCD00047474
NACRES: NA.21
Physical state: Crystalline powder
Color: light yellow
Odor: No data available
Melting point/freezing point: Melting point/ range: 120 °C
Initial boiling point and boiling range: No data available
DIPENTAMETHYLENE THIURAM HEXASULFIDE (DPTT):
Molecular formula: C₁₂H₂₀N₂S₈
Molecular weight: 448.77 g/mol
Appearance: Yellow to yellow-orange powder
Physical state: Solid
Odor: Slight characteristic sulfur odor
Color: Yellow to orange-yellow
Melting point: Approximately 115–130°C (with gradual decomposition)
Boiling point: Not applicable; decomposes before boiling
Density: Approximately 1.55–1.70 g/cm³
Bulk density: Approximately 0.55–0.80 g/cm³
Solubility in water: Practically insoluble
Solubility in acetone: Slightly soluble
Solubility in benzene: Soluble
Solubility in chloroform: Soluble
Solubility in carbon disulfide: Soluble
Solubility in toluene: Slightly soluble
Solubility in ethanol: Slightly soluble
Vapor pressure: Negligible at ambient temperature
Flash point: Not readily applicable (solid material)
Auto-ignition temperature: Not well established
Thermal stability: Stable under recommended storage conditions
Decomposition behavior: Decomposes upon strong heating
Decomposition products: Sulfur oxides (SOₓ), carbon oxides (CO and CO₂), nitrogen oxides (NOₓ), hydrogen sulfide (H₂S), and sulfur-containing organic vapors
Sulfur content: Higher than DPTT Tetrasulfide due to the presence of two additional sulfur atoms
Exact mass: Approximately 447.93 Da
Hydrogen bond acceptors: 8
Hydrogen bond donors: 0
Rotatable bonds: 5
Topological Polar Surface Area (TPSA): Approximately 160 Ų
Heavy atom count: 22
Chemical class: Thiuram accelerator
Cure mechanism: Sulfur donor accelerator
Vulcanization activity: Ultra-fast
Crosslinking efficiency: Very high
Scorch tendency: Moderate to high depending on formulation and dosage
Blooming tendency: Low when used within recommended formulation levels
Compatibility: Compatible with sulfur, MBTS, CBS, TBBS, TMTD, ZDEC, ZDBC, and other commercial rubber accelerators
Moisture sensitivity: Low
Oxidation stability: Good under normal storage conditions
Storage stability: Excellent when stored in sealed containers away from heat and moisture
Linear Formula: C12H20N2S8
CAS Number: 971-15-3
Molecular Weight: 448.83
MDL number: MFCD00053587
Chemical Name: Dipentamethylene Thiuram Hexasulfide
Common Abbreviation: DPTT
CAS Number: 971-15-3
EC Number: 213-537-2
Molecular Formula: C₁₂H₂₀N₂S₈
Molecular Weight: 448.77 g/mol
CAS Number: 971-15-3
EC Number (EINECS): 213-539-3
Molecular Formula: C₁₁H₂₀N₂S₆
Molecular Weight: 348.68 g/mol
Chemical Class: Thiuram polysulfide (sulfur donor accelerator)
Molecular Weight: 448.8 g/mol
XLogP3-AA: 5.1
Hydrogen Bond Donor Count: 0
Hydrogen Bond Acceptor Count: 8
Rotatable Bond Count: 7
Exact Mass: 447.9392180 Da
Monoisotopic Mass: 447.9392180 Da
Topological Polar Surface Area: 222 Ų
Heavy Atom Count: 22
Formal Charge: 0
Complexity: 321
Isotope Atom Count: 0
Defined Atom Stereocenter Count: 0
Undefined Atom Stereocenter Count: 0
Defined Bond Stereocenter Count: 0
Undefined Bond Stereocenter Count: 0
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
CBNumber: CB0306791
Molecular Formula: C12H20N2S8
Molecular Weight: 448.82
MOL File: 971-15-3.mol
Melting point: 135-136 °C
Boiling point: 578.4±33.0 °C(Predicted)
Density: 1.518±0.06 g/cm3(Predicted)
vapor pressure: 0Pa at 25℃
pka: 0.84±0.20(Predicted)
Water Solubility: 10.48μg/L at 20℃
LogP: 6.2 at 20℃
CAS DataBase Reference: 971-15-3
EPA Substance Registry System: Bis(piperidinothiocarbonyl) hexasulfide (971-15-3)
FIRST AID MEASURES of DIPENTAMETHYLENE THIURAM TETRAHEXASULFIDE (DPTT):
-Description of first-aid measures
*General advice:
Show this material safety data sheet to the doctor in attendance.
*If inhaled:
After inhalation:
Fresh air.
*In case of skin contact:
Take off immediately all contaminated clothing.
Rinse skin with
water/ shower.
*In case of eye contact:
After eye contact:
Rinse out with plenty of water.
Call in ophthalmologist.
Remove contact lenses.
*If swallowed:
After swallowing:
Immediately make victim drink water (two glasses at most).
Consult a physician.
-Indication of any immediate medical attention and special treatment needed.
No data available
ACCIDENTAL RELEASE MEASURES of DIPENTAMETHYLENE THIURAM TETRAHEXASULFIDE (DPTT):
-Environmental precautions:
Do not let product enter drains.
-Methods and materials for containment and cleaning up:
Cover drains.
Collect, bind, and pump off spills.
Observe possible material restrictions.
Take up dry.
Dispose of properly.
Clean up affected area.
FIRE FIGHTING MEASURES of DIPENTAMETHYLENE THIURAM TETRAHEXASULFIDE (DPTT):
-Extinguishing media:
*Suitable extinguishing media:
Carbon dioxide (CO2)
Foam
Dry powder
*Unsuitable extinguishing media:
For this substance/mixture no limitations of extinguishing agents are given.
-Further information:
Prevent fire extinguishing water from contaminating surface water or the ground water system.
EXPOSURE CONTROLS/PERSONAL PROTECTION of DIPENTAMETHYLENE THIURAM TETRAHEXASULFIDE (DPTT):
-Control parameters:
--Ingredients with workplace control parameters:
-Exposure controls:
--Personal protective equipment:
*Eye/face protection:
Use equipment for eye protection.
Safety glasses
*Body Protection:
protective clothing
*Respiratory protection:
Recommended Filter type: Filter A
-Control of environmental exposure:
Do not let product enter drains.
HANDLING and STORAGE of DIPENTAMETHYLENE THIURAM TETRAHEXASULFIDE (DPTT):
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of DIPENTAMETHYLENE THIURAM TETRAHEXASULFIDE (DPTT):
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available