Tetrabenzylthiuram Disulfide (TBZTD) is used as a crosslinking agent for polyolefin and polyester resins.
Tetrabenzylthiuram Disulfide (TBZTD) is also used as a curing agent for epoxy resins, which finds its application in adhesives, coatings, and composites.
Tetrabenzylthiuram Disulfide (TBZTD) offers excellent heat resistance and improved mechanical properties to these resins.
CAS Number: 10591-85-2
EC Number: 404-310-0
Molecular Formula: C30H28N2S4
Molecular Weight: 576.89 g/mol
SYNONYMS:
Tetrabenzylthiuram Disulfide, Tetrabenzylthiuram Disulphide, Bis(N,N-dibenzylthiocarbamoyl) Disulfide, Bis(N,N-dibenzylthiocarbamoyl) Disulphide, N,N,N',N'-Tetrabenzylthiuram Disulfide, Dibenzyl Thiuram Disulfide, TBzTD, TBZTD, Accelerator TBZTD, Nitrosamine-Free Thiuram Accelerator, Tetrabenzylthiuram disulfide, tetrakis(phenylmethyl)thioperoxydi(carbothioamide), DTXSID20872988, EC 404-310-0, Thioperoxydicarbonic diamide ([(H2N)C(S)]2S2), tetrakis(phenylmethyl)-, Thioperoxydicarbonic diamide (((H2N)C(S))2S2), N,N,N',N'-tetrakis(phenylmethyl)-, Thioperoxydicarbonic diamide ([(H2N)C(S)]2S2), N,N,N',N'-tetrakis(phenylmethyl)-, Thioperoxydicarbonic diamide (((H2N)C(S))2S2), tetrakis(phenylmethyl)-, RefChem:896713, DTXCID40820502, 404-310-0, 600-699-8, 10591-85-2, Tetrabenzylthiuramdisulfide, dibenzylcarbamothioylsulfanyl N,N-dibenzylcarbamodithioate, MFCD09842304, NSC608475, CHEMBL120082, NSC-608475, BIS(DIBENZYLAMINETHIOCARBONYL)DISULFIDE, Benzyl tuex, C30H28N2S4, Disulfide, bis(dibenzylthiocarbamoyl), BENZYLTUADS, tetrabenzyl thiuram disulfide, SCHEMBL80045, BDBM50414936, AKOS016036661, FT36458, N,N,N',N'-Tetrabenzylthiuram disulfide, Bis(N,N-dibenzylthiocarbamoyl) disulfide, AS-15367, SY432021, CS-0380026, NS00007776, D97725, F761929, 1,1',1'',1'''-{Dithiobis[(thioxomethylene)nitrilodi(methylene)]}tetrabenzene, Tetrabenzylthiuram disulfide, TBzTD, Bis(dibenzylthiocarbamoyl) disulfide, N,N,N',N'-Tetrabenzylthiuram disulfide, Tetrabenzylthiuram disulphide, Thioperoxydicarbonic diamide ([(H2N)C(S)]2S2),N,N,N′,N′-tetrakis(phenylmethyl)-, Disulfide,bis(dibenzylthiocarbamoyl), Thioperoxydicarbonic diamide ([(H2N)C(S)]2S2),tetrakis(phenylmethyl)-, Tetrabenzylthiuram disulfide, N,N,N′,N′-Tetrabenzylthiuram disulfide, NSC 608475, Benzyl Tuex, Perkacit TBzTD, Cure-rite TBzD, Sanceler TBzTD, Nocceler TBzTD, Accel TBZT, Accel TBZTD, Rhenogran TBzTD 70, Tetrakis(phenylmethyl)thioperoxydi(carbothioamide), Accelerator TBzTD, TBzTD, Rhenogran TBzTD 80, TBZTD 80, TBZTD 70, TBzTD 70GE, Perkacit TBzTD PDR-D, TBzTD 75GE, 172451-96-6, 374112-95-5, 2134168-51-5, TBzTD, TETRABENZYL THIURAM DISULFIDE, rubber accelerator tbztd, BENZYL TUADS, TetrabenzylThiuramDisulfide(Tbztd), Thioperoxydicarbonic diamide ([(H2N)C(S)]2S2), N,N,N',N'-tetrakis(phenylmethyl)-
Tetrabenzylthiuram Disulfide (TBZTD) is a modern thiuram-based ultra-fast sulfur vulcanization accelerator and sulfur donor developed as a safer alternative to conventional thiuram accelerators such as tetramethylthiuram disulfide (TMTD) and tetraethylthiuram disulfide (TETD).
Its unique dibenzyl-substituted molecular structure significantly reduces the possibility of generating carcinogenic volatile N-nitrosamines during rubber processing, making
Tetrabenzylthiuram Disulfide (TBZTD) one of the preferred accelerators for environmentally improved and occupationally safer rubber formulations.
Tetrabenzylthiuram Disulfide (TBZTD) functions as both a rapid vulcanization accelerator and a sulfur donor in sulfur curing systems.
Tetrabenzylthiuram Disulfide (TBZTD) is widely used in natural rubber (NR), synthetic elastomers, and latex compounds where fast curing, excellent mechanical properties, and compliance with increasingly stringent international safety regulations are required.
Because of its favorable toxicological profile, Tetrabenzylthiuram Disulfide (TBZTD) has become an important replacement for conventional thiuram accelerators in medical, food-contact, and high-performance industrial rubber products.
Tetrabenzylthiuram Disulfide (TBZTD) is an organosulfur compound primarily used as a rubber accelerator in the production of various rubber products.
Tetrabenzylthiuram Disulfide (TBZTD) is characterized by its molecular structure, which includes two thiuram disulfide groups bonded to four benzyl groups.
Tetrabenzylthiuram Disulfide (TBZTD) typically appears as a pale yellow to light brown solid and is known for its stability and effectiveness in promoting vulcanization processes.
Tetrabenzylthiuram Disulfide (TBZTD) exhibits good solubility in organic solvents, making it suitable for various applications in the rubber industry.
Additionally, Tetrabenzylthiuram Disulfide (TBZTD) possesses antioxidant properties, which help enhance the durability and longevity of rubber materials.
However, like many chemical substances, Tetrabenzylthiuram Disulfide (TBZTD) should be handled with care due to potential health and environmental hazards.
Proper safety measures, including the use of personal protective equipment, are recommended when working with this compound.
Overall, Tetrabenzylthiuram Disulfide (TBZTD) plays a significant role in improving the performance characteristics of rubber products.
Tetrabenzylthiuram Disulfide (TBZTD) is a tetrabenzylthiuram disulfide.
Tetrabenzylthiuram Disulfide (TBZTD) acts as an accelerator.
Tetrabenzylthiuram Disulfide (TBZTD) is a safety secondary amine accelerator and can be substitute to the thiuram accelerator.
Tetrabenzylthiuram Disulfide (TBZTD) is a light yellow powder (granular).
Tetrabenzylthiuram Disulfide (TBZTD) has no osmly and a little taste bitter.
Tetrabenzylthiuram Disulfide (TBZTD) is soluble in acetone, alcohol, insoluble in Benzene, gasoline.
Tetrabenzylthiuram Disulfide (TBZTD) is a fast curing primary secondary accelerator in NR, SBR and NBR applications.
Tetrabenzylthiuram Disulfide (TBZTD) is an ultra-fast vulcanization accelerator belonging to the thiuram class.
Unlike common analogs such as Tetramethylthiuram disulfide (TMTD), Tetrabenzylthiuram Disulfide (TBZTD)'s bulky benzyl groups provide distinct processing advantages, notably improved scorch safety and a superior environmental and health profile, as it does not generate carcinogenic nitrosamines during vulcanization.
This positions Tetrabenzylthiuram Disulfide (TBZTD) as a critical component for manufacturing high-quality, safe, and process-stable rubber goods.
Tetrabenzylthiuram Disulfide (TBZTD) is a chemical compound that is commonly used as a primary accelerator in the production of rubber products.
Tetrabenzylthiuram Disulfide (TBZTD) is a white or light yellow powder that is soluble in organic solvents such as acetone, benzene, and chloroform.
Tetrabenzylthiuram Disulfide (TBZTD) is known for its ability to improve the processing safety of rubber compounds while also enhancing their physical properties.
In recent years, Tetrabenzylthiuram Disulfide (TBZTD) has gained popularity as a replacement for traditional accelerators such as thiurams, dithiocarbamates, and sulfenamides.
This is because Tetrabenzylthiuram Disulfide (TBZTD) offers a number of advantages over these traditional rubber accelerators, including lower toxicity, improved scorch safety, and better compatibility with other rubber chemicals.
Additionally, Tetrabenzylthiuram Disulfide (TBZTD) is more environmentally friendly than traditional accelerators, making it an attractive option for companies looking to reduce their environmental impact.
USES and APPLICATIONS of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) is a safe secondary amine-based accelerator, non-polluting, non-discoloring, non-carcinogenic, an environmentally friendly accelerator, mainly used to replace the thiuram-type auxiliary TMTD, because the presence of nitrosamines is harmful.
According to the published literature, N-nitrosodibenzylamine is not carcinogenic.
In the application of NR, SBR and NBR, Tetrabenzylthiuram Disulfide (TBZTD) can be used as the main accelerator or auxiliary accelerator for rapid vulcanization.
Tetrabenzylthiuram Disulfide (TBZTD) can be used as an inhibitor in modified CR with ETU (ethylenethiourea (2-thiol imidazoline)).
Compared with TMTD, Tetrabenzylthiuram Disulfide (TBZTD) has longer scorch time and better scorch resistance.
Apart from the rubber industry, Tetrabenzylthiuram Disulfide (TBZTD) also finds its application in various industrial uses.
Tetrabenzylthiuram Disulfide (TBZTD) is used as a crosslinking agent for polyolefin and polyester resins.
Tetrabenzylthiuram Disulfide (TBZTD) is also used as a curing agent for epoxy resins, which finds its application in adhesives, coatings, and composites.
Tetrabenzylthiuram Disulfide (TBZTD) offers excellent heat resistance and improved mechanical properties to these resins.
In addition to this, Tetrabenzylthiuram Disulfide (TBZTD) is also used as a stabilizer for PVC and as an antioxidant for various polymers.
Its unique properties make Tetrabenzylthiuram Disulfide (TBZTD) an ideal choice for various industrial applications.
Overall, Tetrabenzylthiuram Disulfide (TBZTD) offers a wide range of applications in the rubber industry and various other industries.
Its unique properties make Tetrabenzylthiuram Disulfide (TBZTD) an ideal choice for high-temperature curing applications, providing excellent mechanical properties and improved heat aging resistance.
Tetrabenzylthiuram Disulfide (TBZTD) is an environmentally friendly thiuram accelerator because tetra-benzyl nitrosamine is not carcinogenic.
For NR, SBR, EPDM, and NBR vulcanization systems, Tetrabenzylthiuram Disulfide (TBZTD) can be used as a fast main accelerator or secondary accelerator.
Tetrabenzylthiuram Disulfide (TBZTD) has a safer and longer scorch time than TMTD and can be used as a PVC rubber vulcanization inhibitor.
Tetrabenzylthiuram Disulfide (TBZTD) is mainly used for tire treads, hoses, conveyor belts, rubber shoes, and other industrial products.
Tetrabenzylthiuram Disulfide (TBZTD) was developed for the purpose of replacing thiuram accelerators such as WILLINGTMTD, mainly because thiuram accelerators are prone to produce carcinogenic nitrosamines, while diphenylnitrosamines are not carcinogenic.
Used in NR, SBR, EPDM, NBR systems, Tetrabenzylthiuram Disulfide (TBZTD) can be used as a fast primary accelerator or secondary accelerator.
Tetrabenzylthiuram Disulfide (TBZTD) is safer and has a longer anti-scorch time than WILLINGTMTD.
Tetrabenzylthiuram Disulfide (TBZTD) is sometimes used as a PVC rubber vulcanization inhibitor.
Tetrabenzylthiuram Disulfide (TBZTD) is predominantly used in research related to its role as a vulcanization accelerator in the rubber industry.
Tetrabenzylthiuram Disulfide (TBZTD) is studied for its efficiency in enhancing the cross-linking characteristics of rubber, which improves the mechanical properties such as elasticity, resilience, and durability of rubber products.
Researchers also explore the kinetics of vulcanization reactions facilitated by Tetrabenzylthiuram Disulfide (TBZTD) to optimize production processes and material properties.
Additionally, Tetrabenzylthiuram Disulfide (TBZTD) is used in studies investigating its potential as a fungicide due to its biocidal properties.
Tetrabenzylthiuram Disulfide (TBZTD)′s role in these applications makes it a subject of interest in materials science and agricultural research, aiming to develop more effective industrial and protective treatments.
Tetrabenzylthiuram Disulfide (TBZTD) is primarily used as an ultra-fast sulfur vulcanization accelerator and sulfur donor in natural rubber and synthetic elastomer compounds.
Tetrabenzylthiuram Disulfide (TBZTD) is widely employed in the manufacture of automotive seals, gaskets, O-rings, conveyor belts, transmission belts, industrial hoses, cable insulation, molded mechanical goods, footwear components, rubber-coated fabrics, vibration isolators, and numerous engineering rubber products.
Tetrabenzylthiuram Disulfide (TBZTD) is particularly valuable in medical gloves, surgical gloves, examination gloves, food-contact rubber products, pharmaceutical closures, and consumer goods where manufacturers seek to eliminate or significantly reduce the formation of carcinogenic nitrosamines.
Tetrabenzylthiuram Disulfide (TBZTD) is also extensively used in environmentally improved rubber formulations developed to comply with European, North American, and Asian regulatory requirements.
Tetrabenzylthiuram Disulfide (TBZTD) is frequently incorporated into efficient vulcanization (EV) and semi-efficient vulcanization (Semi-EV) systems because it functions both as a sulfur donor and as an ultra-fast accelerator.
Tetrabenzylthiuram Disulfide (TBZTD) is commonly used together with MBTS, CBS, MBT, DPG, and zinc dithiocarbamate accelerators to optimize cure characteristics and maximize physical performance.
Tetrabenzylthiuram Disulfide (TBZTD) is used in natural and synthetic rubber vulcanization, and as a vulcanizing agent for sulfurless or low sulfur vulcanizations requiring heat and aging resistance.
Tetrabenzylthiuram Disulfide (TBZTD) finds application in technical and heat resistant rubber articles such as cable sheathing and insulation.
Application of Tetrabenzylthiuram Disulfide (TBZTD): Developed as a replacement for thiurams like Rub ace TMTD due to concerns over the presence of nitrosamines.
Tetrabenzylthiuram Disulfide (TBZTD) can be used as a primary or secondary accelerator in NR, SBR or NBR compounds; in EPDM, it can be used as a secondary accelerator.
Tetrabenzylthiuram Disulfide (TBZTD) can replace thiuram accelerators such as TMTD, mainly because thiuram accelerators are prone to produce carcinogenic nitrosamines, while diphenylnitrosamine is non-carcinogenic.
Tetrabenzylthiuram Disulfide (TBZTD) can be used as a fast primary accelerator or secondary accelerator in NR, SBR, EPDM, and NBR systems.
Tetrabenzylthiuram Disulfide (TBZTD) is safer to use than TMTD and has a longer anti-scorch time.
Tetrabenzylthiuram Disulfide (TBZTD) is sometimes used as a vulcanization inhibitor for PVC rubber.
Tetrabenzylthiuram Disulfide (TBZTD) is sometimes used as retarder in the vulcanisation of PVC rubber.
Tetrabenzylthiuram Disulfide (TBZTD) is a fast curing primary or secondary accelerator for NR, SBR and NBR with long scorch times and low to nil nitrosamine generation during vulcanization.
Tetrabenzylthiuram Disulfide (TBZTD) is primarily utilized as a primary or secondary accelerator in various elastomers, including natural rubber (NR), styrene-butadiene rubber (SBR), and nitrile rubber (NBR).
-Rubber Acceleration uses of Tetrabenzylthiuram Disulfide (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) is widely used in the rubber industry as an accelerator.
Tetrabenzylthiuram Disulfide (TBZTD) is a non-nitrosamine alternative to traditional accelerators such as thiazoles and sulfenamides.
Tetrabenzylthiuram Disulfide (TBZTD) offers excellent scorch safety and cure rate properties, making it an ideal choice for high-temperature curing applications.
Tetrabenzylthiuram Disulfide (TBZTD) also provides good mechanical properties, low compression set, and improved heat aging resistance to rubber compounds.
PROPERTIES AND APPLICATIONS of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) is a safe secondary amine accelerator; it has been developed to replace thiurams such as TMTD,TMTM,TETD in case where the presence of harmful nitrosoamines is of concern.
Tetrabenzylthiuram Disulfide (TBZTD) is not carcinogenic, according to published literature.
Tetrabenzylthiuram Disulfide (TBZTD) is a fast curing primary or secondary accelerator in NR, SBR and NBR applications.
In modified CR, Tetrabenzylthiuram Disulfide (TBZTD) is a retarder when used with ETU.
Compared with TMTD, Tetrabenzylthiuram Disulfide (TBZTD) is safer processing and has longer scorch time.
FASTER VULCANIZATION RATES of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) also offers faster vulcanization rates compared to other accelerators.
This means that rubber products can be produced more quickly and efficiently, leading to increased productivity and reduced manufacturing costs.
Additionally, faster vulcanization rates can result in improved product quality, as the rubber is able to cure more evenly and thoroughly.
Overall, Tetrabenzylthiuram Disulfide (TBZTD) offers several advantages over other accelerators in the rubber industry.
Its reduced nitrosamine risk and faster vulcanization rates make Tetrabenzylthiuram Disulfide (TBZTD) a desirable option for rubber product manufacturers looking to improve their production efficiency and product quality.
CHARACTERISTICS of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) is classified as an ultra-fast sulfur vulcanization accelerator and sulfur donor with excellent scorch safety and outstanding processing performance.
Tetrabenzylthiuram Disulfide (TBZTD) combines the rapid curing characteristics of conventional thiuram accelerators with a substantially reduced tendency to generate volatile carcinogenic nitrosamines during vulcanization.
This characteristic has made Tetrabenzylthiuram Disulfide (TBZTD) one of the most important next-generation thiuram accelerators for modern rubber manufacturing.
Tetrabenzylthiuram Disulfide (TBZTD) demonstrates excellent compatibility with natural rubber (NR), styrene-butadiene rubber (SBR), nitrile rubber (NBR), butadiene rubber (BR), ethylene-propylene-diene rubber (EPDM), and numerous sulfur-curable specialty elastomers.
Tetrabenzylthiuram Disulfide (TBZTD) performs particularly well when combined with benzothiazole accelerators such as MBT, MBTS, CBS, or dithiocarbamate accelerators, providing balanced cure speed, improved scorch resistance, and high crosslink efficiency.
Compared with TMTD and TETD, Tetrabenzylthiuram Disulfide (TBZTD) generally offers superior processing safety, lower volatility, improved thermal stability, and significantly lower nitrosamine-forming potential.
Tetrabenzylthiuram Disulfide (TBZTD) also exhibits excellent storage stability and predictable curing behavior across a broad range of industrial rubber formulations.
PROPERTIES of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) is light yellow or off-white powder with a relative density of 1.33, soluble in benzene, Trichloromethane, soluble in ethanol, insoluble in water.
Tetrabenzylthiuram Disulfide (TBZTD) is odorless, non-hygroscopic and stable in storage.
CHEMICAL PROPERTIES of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
MOLECULAR STRUCTURE
Tetrabenzylthiuram Disulfide (TBZTD) has a molecular formula of C30H28N2S4 and a molecular weight of 544.82 g/mol.
Tetrabenzylthiuram Disulfide (TBZTD)2s molecular structure consists of two benzyl groups attached to a central sulfur atom, which is in turn bonded to two thiuram groups.
Tetrabenzylthiuram Disulfide (TBZTD) has a linear shape and is classified as a disulfide accelerator.
CHEMICAL COMPOSITION of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) is a sulfur-containing organic compound that belongs to the class of thiuram accelerators.
Tetrabenzylthiuram Disulfide (TBZTD) is a white to light yellow powder with a melting point of 122-125°C.
Tetrabenzylthiuram Disulfide (TBZTD) is soluble in organic solvents such as acetone, ethanol, and benzene, but insoluble in water.
Tetrabenzylthiuram Disulfide (TBZTD) is commonly used as a secondary accelerator in combination with other primary accelerators such as MBTS and CBS.
Tetrabenzylthiuram Disulfide (TBZTD) is known for its excellent scorch safety, fast curing rate, and low toxicity.
Tetrabenzylthiuram Disulfide (TBZTD) is also used in the production of rubber products such as tires, hoses, and belts.
Tetrabenzylthiuram Disulfide (TBZTD) is a disulfide accelerator with a linear molecular structure consisting of two benzyl groups and two thiuram groups.
Tetrabenzylthiuram Disulfide (TBZTD) is a sulfur-containing organic compound that is soluble in organic solvents but insoluble in water.
Tetrabenzylthiuram Disulfide (TBZTD) is commonly used as a secondary accelerator in rubber production due to its excellent scorch safety, fast curing rate, and low toxicity.
Tetrabenzylthiuram Disulfide (TBZTD) has found its application in various industries due to its unique properties.
FUNCTION of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) can accelerate the vulcanization of natural rubber and synthetic rubber with high processing safety, and shorten the scorch and curing time.
Tetrabenzylthiuram Disulfide (TBZTD) can not only be the main accelerator but also a thiazole auxiliary accelerator in the presence of sulfur.
Tetrabenzylthiuram Disulfide (TBZTD) can also be used as a sulfur-free system curing agent.
Tetrabenzylthiuram Disulfide (TBZTD) can improve the vulcanized rubber heat aging resistance characteristics without sulfur cross-linking or a small amount of sulfur cross-linking.
BENEFITS of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Tetrabenzylthiuram Disulfide (TBZTD) provides exceptionally rapid sulfur vulcanization while maintaining excellent scorch safety and processing stability.
Tetrabenzylthiuram Disulfide (TBZTD)'s sulfur-donating capability allows reduced levels of elemental sulfur in rubber formulations, producing vulcanizates with improved heat-aging resistance, reduced cure reversion, and enhanced long-term durability.
One of its most significant advantages is its extremely low potential for forming carcinogenic volatile N-nitrosamines, making Tetrabenzylthiuram Disulfide (TBZTD) one of the preferred thiuram accelerators for modern environmentally responsible rubber manufacturing.
This characteristic has led to Tetrabenzylthiuram Disulfide (TBZTD)'s widespread adoption as a replacement for TMTD and TETD in many industrial applications.
Tetrabenzylthiuram Disulfide (TBZTD) contributes to excellent tensile strength, tear resistance, elasticity, resilience, abrasion resistance, compression set, fatigue resistance, and dynamic mechanical performance.
Tetrabenzylthiuram Disulfide (TBZTD) also demonstrates excellent compatibility with numerous accelerator systems, allowing compound formulators to tailor curing behavior according to specific manufacturing requirements.
Its low volatility, high storage stability, predictable curing performance, and improved occupational safety profile make Tetrabenzylthiuram Disulfide (TBZTD) one of the most advanced sulfur-donating accelerators available for high-performance rubber compounds.
PROCESS FOR PREP ARINGTETRABENZYLTHIURAM DISULFIDE (TBZTD):
The present invention relates to a method for preparing Tetrabenzylthiuram Disulfide (TBZTD), particularly to a hydrogen peroxide and an acid in the presence of dibenzylamine, prepared sodium disulfide with carbon disulfide tetrabenzyl thiuram method below.
Background technique
Tetrabenzylthiuram Disulfide (TBZTD) is an excellent rubber vulcanization accelerator.
Tetrabenzylthiuram Disulfide (TBZTD) is a high molecular weight, low volatility secondary amine based low molecular weight secondary amines not as easy nitrosamines.
Thus, Tetrabenzylthiuram Disulfide (TBZTD) processed better security than tetramethyl thiuram disulfide (TMTD) having a longer scorch time as TMTD can replace natural rubber, styrene-butadiene rubber and NBR fast curing primary accelerator or boosters, can effectively improve the cure rate and cure efficiency rubber, does not affect the processability and the dynamic properties of rubber vulcanizates without blooming, rubber having better thermal stability.
Thus, Tetrabenzylthiuram Disulfide (TBZTD) vulcanization accelerators widely used in the rubber system.
PRODUCTION PROCESS of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Synthesis Methods
Tetrabenzylthiuram Disulfide (TBZTD), or tetrabenzylthiuram disulfide, is a widely used accelerator in the rubber industry due to its excellent performance and compatibility with other accelerators.
The production process of Tetrabenzylthiuram Disulfide (TBZTD) involves the synthesis of tetrabenzylthiuram monosulfide (TBzTD-S) and its subsequent oxidation to form TBzTD.
The synthesis of Tetrabenzylthiuram Disulfide (TBZTD)-S can be achieved through the reaction of benzyl chloride with sodium pentasulfide in the presence of a catalyst.
The resulting product is then treated with sulfur to form Tetrabenzylthiuram Disulfide (TBZTD)-S.
The oxidation of TBzTD-S to Tetrabenzylthiuram Disulfide (TBZTD) can be achieved through the use of various oxidizing agents such as hydrogen peroxide or sodium hypochlorite.
PHYSICAL and CHEMICAL PROPERTIES of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
Appearance: White to off-white powder or free-flowing granules.
Physical State: Solid.
Color: White to cream.
Odor: Slight characteristic sulfur-like odor.
Molecular Formula: C30H28N2S4.
Molecular Weight: 576.89 g/mol.
Density: Approximately 1.30–1.40 g/cm³.
Bulk Density: Approximately 0.45–0.70 g/cm³ (commercial grades).
Melting Point: Approximately 125–135°C.
Boiling Point: Not applicable; decomposes before boiling.
Flash Point: Greater than 200°C.
Autoignition Temperature: Not precisely established; expected above 300°C.
Vapor Pressure: Negligible at room temperature.
Volatility: Very low.
Water Solubility: Practically insoluble.
Solubility in Organic Solvents: Slightly soluble in chloroform, benzene, aromatic hydrocarbons, and selected chlorinated solvents; readily dispersible in rubber compounds.
Partition Coefficient (log Kow): High (expected due to the presence of four benzyl groups).
pH: Not applicable (insoluble in water).
Thermal Stability: Stable under recommended storage conditions.
Chemical Stability: Stable during normal industrial handling and storage.
Hygroscopicity: Low.
Dust Explosion Hazard: Fine dust may form combustible dust-air mixtures.
Oxidizing Properties: Not classified as oxidizing.
Explosive Properties: Not classified as explosive.
Decomposition Products: Carbon monoxide (CO), carbon dioxide (CO₂), sulfur oxides (SOx), nitrogen oxides (NOx), hydrogen sulfide (H₂S), benzylamine derivatives, sulfur-containing organic vapors.
Reactivity: Incompatible with strong oxidizing agents, strong acids, reducing agents, and highly reactive chemicals.
Chemical Name: Tetrabenzylthiuram Disulfide
Common Name: TBZTD
IUPAC Name: Bis(N,N-dibenzylthiocarbamoyl) disulfide
CAS Number: 10591-85-2
EC Number: 404-310-0
Molecular Formula: C30H28N2S4
Molecular Weight: 576.89 g/mol
CAS Number: 10591-85-2
Molecular Weight: 544.817
Density: 1.3±0.1 g/cm3
Boiling Point: 687.0±65.0 °C at 760 mmHg
Molecular Formula: C30H28N2S4
Melting Point: 124ºC
MSDS: N/A
Flash Point: 369.3±34.3 °C
Density: 1.3±0.1 g/cm3
Boiling Point: 687.0±65.0 °C at 760 mmHg
Melting Point: 124ºC
Molecular Formula: C30H28N2S4
Molecular Weight: 544.817
Flash Point: 369.3±34.3 °C
Exact Mass: 544.113525
PSA: 121.26000
LogP: 8.77
Vapour Pressure: 0.0±2.1 mmHg at 25°C
Index of Refraction: 1.713
InChIKey: WITDFSFZHZYQHB-UHFFFAOYSA-N
SMILES: S=C(SSC(=S)N(Cc1ccccc1)Cc1ccccc1)N(Cc1ccccc1)Cc1ccccc1
MF: C30H28S4N2
EINECS No.: 404-310-0
Purity: 99.7%
Place of Origin: China
Type: Thiurams Rubber Accelerator
Usage: Rubber Auxiliary Agents
Brand Name: RICHON
Model Number: TBzTD
Appearance: Light yellow powder, oiled powder or granular
CAS Number: 10591-85-2
Product Name: Tetrabenzylthiuram disulfide
IUPAC Name: dibenzylcarbamothioylsulfanyl N,N-dibenzylcarbamodithioate
Molecular Formula: C30H28N2S4
Molecular Weight: 544.8 g/mol
InChI: InChI=1S/C30H28N2S4/c33-29(31(21-25-13-5-1-6-14-25)22-26-15-7-2-8-16-26)35-36-30(34)32(23-27-17-9-3-10-18-27)24-28-19-11-4-12-20-28/h1-20H,21-24H2
InChI Key: WITDFSFZHZYQHB-UHFFFAOYSA-N
SMILES: C1=CC=C(C=C1)CN(CC2=CC=CC=C2)C(=S)SSC(=S)N(CC3=CC=CC=C3)CC4=CC=CC=C4
Canonical SMILES: C1=CC=C(C=C1)CN(CC2=CC=CC=C2)C(=S)SSC(=S)N(CC3=CC=CC=C3)CC4=CC=CC=C4
Molecular Weight: 544.82
Exact Mass: 544.82
EC Number: 404-310-0
NSC Number: 608475
DSSTox ID: DTXSID20872988
HScode: 3815900000
PSA: 121.26000
XLogP3: 8.77
Appearance: Light yellow powder(granule)
Density: 1.3±0.1 g/cm3
Melting Point: 137 °C @ Solvent: Dichloromethane, Hexane
Boiling Point: 687.0±65.0 °C at 760 mmHg
Flash Point: 369.3±34.3 °C
Refractive Index: 1.713
Molecular Weight: 544.8
XLogP3: 7.7
Hydrogen Bond Acceptor Count: 4
Rotatable Bond Count: 11
Exact Mass: 544.11353360
Monoisotopic Mass: 544.11353360
Topological Polar Surface Area: 121
Heavy Atom Count: 36
Complexity: 551
Covalently-Bonded Unit Count: 1
Compound Is Canonicalized: Yes
Melting Point: 124 degC min
Loss on Drying: 0.50 max
Particle Size: 0.10% max (residue on 150um sieve)
Oil: 1.0~2.0% content
Specific gravity: 1.40
Zn Content: 0.50 max
Appearance: White Powder
Molecular weight: 544.83
FIRST AID MEASURES of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
-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 TETRABENZYLTHIURAM DISULFIDE (TBZTD):
-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 TETRABENZYLTHIURAM DISULFIDE (TBZTD):
-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 TETRABENZYLTHIURAM DISULFIDE (TBZTD):
-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 TETRABENZYLTHIURAM DISULFIDE (TBZTD):
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed.
Dry.
STABILITY and REACTIVITY of TETRABENZYLTHIURAM DISULFIDE (TBZTD):
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available