N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE

N-tert-Butyl-2-benzothiazolesulfenamide can be used to effectively replace DM/DPG system.
N-tert-Butyl-2-benzothiazolesulfenamide is used as a catalyst or ligand in chemical synthesis and catalytic reactions.
N-tert-Butyl-2-benzothiazolesulfenamide is used as an accelerator for natural and synthetic isoprene and butadiene rubbers.

CAS Number: 95-31-8
EC Number: 202-409-1
Molecular Formula: C₁₁H₁₄N₂S₂
Molecular Weight: 238.37 g/mol

SYNONYMS:
TBBS, BBTS, 2-(tert-Butylaminothio)benzothiazole, NTBBTS, accelbns, Delac NS, VANAX NS, Accel bns, SoxinolNS, pennactbbs, N-tert-Butyl-2-benzothiazolesulfenamide, N-tert-Butylbenzothiazole-2-sulfenamide, N-tert-Butylbenzothiazole-2-sulphenamide, N-(tert-Butylthio)-2-benzothiazolamine, Benzothiazyl-2-tert-butylsulfenamide, 2-Benzothiazolesulfenamide, N-tert-butyl-, tert-Butylbenzothiazyl sulfenamide, tert-Butylbenzothiazole sulfenamide, Rubber Accelerator TBBS, TBBS, NS, Santocure NS, Vulkacit NZ, Sulfenax TBBS, Accelerator NS, 2-[(tert-butylamino)sulfanyl]-1,3-benzothiazole, 2-Benzothiazolesulfenamide, N-tert-butyl-, Benzothiazolyl-2-tert-butylsulfenamide, N-tert-Butyl-2-benzothiazolesulfenamide, N-tert-Butyl-2-benzothiazolylsulfenamide, N-tert-Butyl-2-benzothiazylsulfenamide, Santocure NS, Vulkacit NZ, 2-(tert-Butylaminothio)benzothiazole, N-tert-Butyl-2-benzothiazolesulfenamid, Accel BNS, Benzothiazolesulfenamide, N-(1,1-dimethylethyl)-, Nocceler NS, Pennac TBBS, Vanax ns, Akrochem BBTS, BBTS, Butyl 2-benzothiazole sulfenamide, Delac NS, N-t-Butyl-2-benzothiazole-sulfenamide, N-t-Butyl-2-benzothioazole sulfenamide, N-t-Butyl-O-benzothiazole-2-sulfenamide, N-tert-Butyl-2-benzothiazolesulphenamide, NTBBTS, Perkacit TBBS, Santocure TBBS, TBBS, Vanax TBSI, Vulkacit NZ/EG, NSC 84176, N-tert-butylbenzothiazole-2-sulphenamide, N-t-Butyl-2-benzothioazole sulfenamide, N-t-Butyl-O-benzothiazole-2-sulfenamide, 2-[(tert-Butylamino)sulfanyl]-1,3-benzothiazole, 2-Benzothiazolesulfenamide, N-tert-butyl-, Accel bns, accelbns, accelerator(ns), AcceleratorNS, S-(Benzo[d]thiazol-2-yl)-N-(tert-butyl)thiohydroxylamine, N-tert-Butyl-2-benzothiazolesulfenamide, N-tert-Butyl-2-benzothiazolylsulfenamide, N-tert-Butyl-2-benzothiazolylsulphenamide, N-tert-Butylbenzothiazolesulfenamide, N-tert-Butyl-2-benzothiazolesulfenamide, 95-31-8, Nocceler NS, Vulkacit NZ, Pennac Tbbs, Accel BNS, 2-(TERT-BUTYLAMINOTHIO)BENZOTHIAZOLE, Vanax NS, 2-Benzothiazolesulfenamide, N-(1,1-dimethylethyl)-, 2-Benzothiazolesulfenamide, N-tert-butyl-, Benzothiazolyl-2-tert-butylsulfenamide, N-tert-Butyl-2-benzothiazylsulfenamide, Santocure NS vulcanization accelerator, DTXSID7026572, N-tert-Butyl-2-benzothiazolyl sulfenamide, W468IFJ99C, NSC-84176, DTXCID506572, RefChem:823300, N-(1,1-Dimethylethyl)-2-benzothiazolesulfenamide, 202-409-1, Santocure NS, S-(Benzo[d]thiazol-2-yl)-N-(tert-butyl)thiohydroxylamine, N-(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine, C11H14N2S2, NSC 84176, MFCD00022873, 2-[(tert-Butylamino)sulfanyl]-1,3-benzothiazole, Benzothiazolesulfenamide, N-(1,1-dimethylethyl)-, NS-P, NSC 84176, NSG, Nocceler NS-P, Perkacit TBBS, S-(Benzo[d]thiazol-2-yl)-N-(tert-butyl)-thiohydroxylamine, N-tert-Butylbenzothiazole-2-sulphenamide, Accelerator BBTS, Akrochem BBTS, NTBBTS, TBBS, N-t-Butylbenzothiazylsulfenamide, HSDB 5288, EINECS 202-409-1, N-t-Butyl-2-benzothiazolesulfenamide, BRN 0158370, UNII-W468IFJ99C, N-(1,1-Dimethylethyl)benzothiazolesulfenamide, Santocure TBBS, Perkacit TBBS, Delac NS, Vanax TBSI, Vulkacit NZ/EG, N-tert-Butyl-2-benzothiazosulfenamide, BBTS, SULFENAMIDE TBBS, RHENOGRAN TBBS 80, EC 202-409-1, SCHEMBL80374, SCHEMBL1901066, CHEMBL3182037, SCHEMBL29370541, Butyl 2-benzothiazole sulfenamide, HMS1675L02, N-(1,3-benzothiazol-2-ylsulfanyl)-2-methyl-propan-2-amine, NSC84176, Tox21_200895, MSK001865, STK771202, n-t-butyl-2-benzothiazole sulfenamide, AKOS000520589, benzothiazol-2-ylthio(tert-butyl)amine, N-t-Butyl-2-benzothiazole-sulfenamide, N-tert-Butyl-2-benzothiazolesulfenamid, FB33606, N-t-Butyl-2-benzothioazole sulfenamide, CAS-95-31-8, N-t-Butyl-O-benzothiazole-2-sulfenamide, n-tert-butyl-2-benzothiazole sulfenamide, N-tert-Butyl-2-benzothiazolesulphenamide, N-tert-Butyl-2-benzothiazolylsulfenamide, NCGC00248869-01, NCGC00258449-01, WLN: T56 BN DSJ CSMX1&1&1, AS-15571, ST093777, DB-057575, 2-Benzothiazolesulfenamide,1-dimethylethyl)-, EU-0002407, NS00009355, D70664, AG-690/12868295, BUTYL-2-BENZOTHIAZOLE SULFENAMIDE, N-TERT-, F242865, N-TERT- BUTYL-2-BENZOTHIAZOLE SULFENAMIDE, SR-01000408154, 2-(TERT-BUTYLAMINOTHIO)BENZOTHIAZOLE [HSDB], 2-[(tert-Butylamino)sulfanyl]-1,3-benzothiazole #, SR-01000408154-1, Q27292283, (13-BENZOTHIAZOL-2-YLSULFANYL)(TERT-BUTYL)AMINE, N-[(1,3-Benzothiazol-2-yl)sulfanyl]-2-methylpropan-2-amine, TBBS · 95-31-8 · N-tert-butylbenzothiazole-2-sulfenamide · NS accelerator, N-(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine, benzothiazolesulfenamide, N-(1,1-dimethylethyl)-, 2-(tert-butylaminothio)benzothiazole, N-(1,1-dimethylethyl)benzothiazolesulfenamide

N-tert-Butyl-2-benzothiazolesulfenamide (TBBS) is one of the essential kinds of sulfenamide vulcanization accelerators.
N-tert-Butyl-2-benzothiazolesulfenamide is intended for research and analytical applications.
N-tert-Butyl-2-benzothiazolesulfenamide is a sulfenamide accelerator for sulfur vulcanization of rubber.

N-tert-Butyl-2-benzothiazolesulfenamide (TBBS) is an efficient and cost effective chemical for the removal of hydroxylated aromatic hydrocarbons from wastewater.
N-tert-Butyl-2-benzothiazolesulfenamide reacts with hydroxyl groups in the presence of sodium citrate and zinc diethyldithiocarbamate to form a complex that can be precipitated as particles.
The reaction solution has antioxidative properties due to N-tert-Butyl-2-benzothiazolesulfenamide's ability to scavenge free radicals, thus increasing energy efficiency.

N-tert-Butyl-2-benzothiazolesulfenamide also has interactions with other chemicals, such as low energy, which may provide additional benefits for the environment.
N-tert-Butyl-2-benzothiazolesulfenamide (TBBS) is a delayed-action sulfenamide rubber accelerator widely used in the sulfur vulcanization of natural and synthetic rubbers.
N-tert-Butyl-2-benzothiazolesulfenamide is one of the most important commercial accelerators in the tire industry due to its excellent balance between long scorch safety and rapid cure at vulcanization temperatures.

N-tert-Butyl-2-benzothiazolesulfenamide provides improved processing safety during mixing, extrusion, calendaring, and molding while producing vulcanized rubber with excellent mechanical and dynamic properties.
Compared with many conventional accelerators, N-tert-Butyl-2-benzothiazolesulfenamide offers longer processing times, reduced risk of premature vulcanization, and superior heat-aging performance.

N-tert-Butyl-2-benzothiazolesulfenamide is extensively used in the manufacture of tires, conveyor belts, hoses, industrial rubber products, seals, gaskets, footwear, and vibration-control components.
N-tert-Butyl-2-benzothiazolesulfenamide is compatible with a wide range of sulfur-curable elastomers and is frequently combined with secondary accelerators to optimize cure characteristics and production efficiency.

USES and APPLICATIONS of N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
N-tert-Butyl-2-benzothiazolesulfenamide is used as an accelerator for natural and synthetic isoprene rubbers and butadiene rubbers.
N-tert-Butyl-2-benzothiazolesulfenamide is used as a catalyst or ligand in chemical synthesis and catalytic reactions.
N-tert-Butyl-2-benzothiazolesulfenamide is used as an accelerator for natural and synthetic isoprene and butadiene rubbers.

N-tert-Butyl-2-benzothiazolesulfenamide (TBBS) is an efficient and cost effective chemical for the removal of hydroxylated aromatic hydrocarbons from wastewater.
N-tert-Butyl-2-benzothiazolesulfenamide can be used at a concentration of 10 mg/L with a pH range of 3 to 7, and exhibits high resistance to pressure, temperature and pH changes.

N-tert-Butyl-2-benzothiazolesulfenamide reacts with hydroxyl groups in the presence of sodium citrate and zinc diethyldithiocarbamate to form a complex that can be precipitated as particles.
The reaction solution has antioxidative properties due to N-tert-Butyl-2-benzothiazolesulfenamide's ability to scavenge free radicals, thus increasing energy efficiency.
N-tert-Butyl-2-benzothiazolesulfenamide also has interactions with other chemicals, such as low energy, which may provide additional benefits for the environment.

N-tert-Butyl-2-benzothiazolesulfenamide provides fast cure speed and high modulus development in NR,SBR,BR and blends.
N-tert-Butyl-2-benzothiazolesulfenamide is normally used Alone or with small quantities of ultra accelerator in tire compounds or industrial rubber products.
N-tert-Butyl-2-benzothiazolesulfenamide can be used to effectively replace DM/DPG system.

N-tert-Butyl-2-benzothiazolesulfenamide may give equal modulus to CBS or NOBS when used at a 10% lower level.
N-tert-Butyl-2-benzothiazolesulfenamide is regarded as standard accelerator.
N-tert-Butyl-2-benzothiazolesulfenamide provides delayed action, fast curing, and good aging properties, making it widely used in tire manufacturing and industrial rubber compounds.

N-tert-Butyl-2-benzothiazolesulfenamide is used as an accelerator for natural and synthetic isoprene and butadiene rubbers.
N-tert-Butyl-2-benzothiazolesulfenamide can be used at a concentration of 10 mg/L with a pH range of 3 to 7, and exhibits high resistance to pressure, temperature and pH changes.
N-tert-Butyl-2-benzothiazolesulfenamide is primarily used as a primary delayed-action accelerator in sulfur vulcanization systems for natural rubber and synthetic elastomers.

N-tert-Butyl-2-benzothiazolesulfenamide is one of the preferred accelerators in the tire industry because it provides outstanding scorch safety during processing while ensuring rapid and efficient cross-linking during curing.
N-tert-Butyl-2-benzothiazolesulfenamide is extensively used in the manufacture of passenger car tires, truck tires, aircraft tires, agricultural tires, conveyor belts, transmission belts, industrial hoses, seals, gaskets, vibration isolators, rubber-coated fabrics, cable insulation, footwear soles, molded rubber parts, and numerous automotive and engineering rubber products.

N-tert-Butyl-2-benzothiazolesulfenamide performs exceptionally well in natural rubber (NR), styrene-butadiene rubber (SBR), polybutadiene rubber (BR), nitrile rubber (NBR), and other sulfur-curable elastomers.
N-tert-Butyl-2-benzothiazolesulfenamide is frequently combined with secondary accelerators such as thiurams, dithiocarbamates, or guanidines to improve cure speed and optimize vulcanization performance.

N-tert-Butyl-2-benzothiazolesulfenamide is particularly suitable for thick rubber articles because its delayed cure onset allows sufficient processing time before rapid vulcanization begins.
This reduces manufacturing defects associated with premature curing and improves production consistency.
In industrial rubber manufacturing, N-tert-Butyl-2-benzothiazolesulfenamide contributes to producing high-performance elastomeric products requiring excellent abrasion resistance, fatigue resistance, tensile strength, elasticity, resilience, and long-term durability under demanding operating conditions.

BENEFITS and CHARACTERISTICS of N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
N-tert-Butyl-2-benzothiazolesulfenamide is highly valued because it provides one of the best balances between processing safety and curing efficiency among commercial sulfenamide accelerators.
N-tert-Butyl-2-benzothiazolesulfenamide's delayed-action characteristics significantly reduce the likelihood of premature vulcanization during mixing, extrusion, and molding operations.

N-tert-Butyl-2-benzothiazolesulfenamide produces vulcanized rubber with excellent tensile strength, tear strength, abrasion resistance, resilience, flexibility, and fatigue resistance.
These properties are particularly important for dynamic applications such as tires and industrial mechanical rubber components.

N-tert-Butyl-2-benzothiazolesulfenamide exhibits excellent compatibility with a broad range of sulfur-curable elastomers and allows manufacturers to produce rubber compounds with consistent curing behavior and uniform cross-link density.
The resulting vulcanizates demonstrate improved heat resistance, aging resistance, compression set performance, and mechanical durability.

Compared with faster accelerators, N-tert-Butyl-2-benzothiazolesulfenamide offers longer scorch time, providing greater flexibility during processing of complex rubber compounds.

At vulcanization temperatures, however, N-tert-Butyl-2-benzothiazolesulfenamide rapidly accelerates sulfur cross-linking, resulting in efficient production cycles and high manufacturing productivity.
N-tert-Butyl-2-benzothiazolesulfenamide also contributes to improved dimensional stability, reduced processing defects, and enhanced service life of finished rubber products.
Its excellent storage stability and broad industrial acceptance have made N-tert-Butyl-2-benzothiazolesulfenamide one of the world's most widely used rubber accelerators.

PROPERTIES of N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
N-tert-Butyl-2-benzothiazolesulfenamide is off white powder or granule.
The density of N-tert-Butyl-2-benzothiazolesulfenamide is 1.26-1.32.
N-tert-Butyl-2-benzothiazolesulfenamide is soluble in Chloroform, Benzene, Alcohol.
N-tert-Butyl-2-benzothiazolesulfenamide is insoluble in water, gasoline, acid/alkali with lower concentration.

PHYSICAL and CHEMICAL PROPERTIES of N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
Appearance: White to slightly cream-colored powder or granules.
Odor: Slight characteristic sulfur-like odor.
Physical State: Solid.
Molecular Formula: C₁₁H₁₄N₂S₂.
Molecular Weight: 238.37 g/mol.
Density: Approximately 1.28–1.32 g/cm³ at 20°C.
Melting Point: Approximately 104–114°C.
Boiling Point: Decomposes before boiling.
Flash Point: Approximately 190–210°C.
Auto-ignition Temperature: Above 300°C.

Vapor Pressure: Very low at ambient temperature.
Water Solubility: Practically insoluble in water.
Solubility: Soluble in acetone, benzene, toluene, chloroform, ethyl acetate, and carbon disulfide; 
slightly soluble in alcohols.
Partition Coefficient (log Kow): Approximately 4.0–4.5.
Density of Bulk Powder: Varies depending on particle size and manufacturing grade.
Thermal Stability: Stable under normal storage conditions; decomposes upon prolonged heating.
Moisture Sensitivity: Low, but should be stored in dry conditions.
Chemical Nature: Delayed-action sulfenamide accelerator.
Reactivity: Reacts with strong oxidizing agents and strong acids.

Dust Hazard: Fine dust may form combustible dust-air mixtures under certain industrial conditions.
Decomposition Products: Carbon monoxide, carbon dioxide, sulfur oxides (SOx), nitrogen oxides (NOx), and sulfur-containing organic compounds.
Shelf Stability: Good when stored in cool, dry, well-ventilated conditions.
Compatibility: Compatible with natural rubber, SBR, BR, NBR, and many sulfur-curable elastomers.
Chemical Name: N-tert-Butyl-2-benzothiazolesulfenamide
Common Abbreviation: TBBS
CAS Number: 95-31-8
EC Number: 202-409-1
Molecular Formula: C₁₁H₁₄N₂S₂
Molecular Weight: 238.37 g/mol
IUPAC Name: N-(1,3-Benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine

Linear Formula: C11H14N2S2
CAS Number: 95-31-8
Molecular Weight: 238.38
MDL number: MFCD00022873
CBNumber: CB9344237
Molecular Formula: C11H14N2S2
Molecular Weight: 238.37
MDL Number: MFCD00022873
MOL File: 95-31-8.mol
Melting point: 105°C
Boiling point: 344.1±25.0 °C(Predicted)
Density: 1,29 g/cm3
vapor pressure: 0Pa at 25℃

refractive index: 1.5500 (estimate)
Flash point: 165°C
storage temp.: Keep in dark place,Sealed in dry,Room Temperature
pka: 1.25±0.70(Predicted)
Appearance: White to off-white Solid
Water Solubility: 1.74mg/L at 20℃
BRN: 158370
InChI: InChI=1S/C11H14N2S2/c1-11(2,3)13-15-10-12-8-6-4-5-7-9(8)14-10/h4-7,13H,1-3H3
InChIKey: IUJLOAKJZQBENM-UHFFFAOYSA-N
SMILES: S1C2=CC=CC=C2N=C1SNC(C)(C)C
LogP: 3.36 at 25℃
CAS DataBase Reference: 95-31-8(CAS DataBase Reference)

Indirect Additives used in Food Contact Substances: N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE
FDA 21 CFR: 177.2600
EWG's Food Scores: 1
FDA UNII: W468IFJ99C
NIST Chemistry Reference: 2-Benzothiazolesulfenamide, n-(1,1-dimethylethyl)-(95-31-8)
EPA Substance Registry System: N-tert-Butyl-2-benzothiazolesulfenamide (95-31-8)
Molecular Weight: 238.4 g/mol
XLogP3: 3.4
Hydrogen Bond Donor Count: 1
Hydrogen Bond Acceptor Count: 4
Rotatable Bond Count: 3
Exact Mass: 238.05984080 Da
Monoisotopic Mass: 238.05984080 Da

Topological Polar Surface Area: 78.5 Ų
Heavy Atom Count: 15
Formal Charge: 0
Complexity: 215
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
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Soluble in: water, 2.817 mg/L @ 25 °C (est)

FIRST AID MEASURES of N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
-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 N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
-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 N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
-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 N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
-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 N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
-Conditions for safe storage, including any incompatibilities:
*Storage conditions:
Tightly closed. 
Dry.

STABILITY and REACTIVITY of N-TERT-BUTYL-2-BENZOTHIAZOLESULFENAMIDE:
-Chemical stability:
The product is chemically stable under standard ambient conditions (room temperature).
-Possibility of hazardous reactions:
No data available