C7H5NS2
167.3 g/mol
Industrial ChemicalWarning
2-Mercaptobenzothiazole
CAS149-30-4EC205-736-8
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
rubber vulcanization accelerator
2-Mercaptobenzothiazole is an organosulfur compound used primarily as an accelerator in the sulfur vulcanization of rubber. It is a white solid that also serves as a reagent in organic synthesis.
rubber vulcanization acceleratorreagent in organic synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 149-30-4
Related Compounds
ApplicationSame Use
N-cyclohexyl-2-benzothiazosulfenamide
CAS95-33-0
Rubber vulcanization accelerator
ApplicationSame Use
2-Mercaptothiazoline
CAS96-53-7
rubber vulcanization accelerator
ApplicationSame Use
2,2'-dithiobisbenzothiazole
CAS120-78-5
Rubber vulcanization accelerator
ApplicationSame Use
Dimethyldiphenylthiuram disulfide
CAS53880-86-7
Rubber vulcanization accelerator
ReferenceSame Category
Tiron
CAS149-45-1
Chelating agent for trace metals
ReferenceSame Category
2-ethylhexanoic acid
CAS149-57-5
Chemical intermediate for plasticizers and driers
ReferenceSame Category
Methyl orthoformate
CAS149-73-5
orthoester reagent and solvent
ReferenceSame Category
Gallic acid
CAS149-91-7
antioxidant, tanning agent, dyeing intermediate
Safety Reference
Warning
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H350May cause cancer
H351Suspected of causing cancer
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for 2-Mercaptobenzothiazole (CAS 149-30-4) is 2934.20.
HS code (international, 6-digit)
2934.20
EU CN code (8-digit)
2934 20 20
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
3H-1,3-benzothiazole-2-thione
InChIKey
YXIWHUQXZSMYRE-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)NC(=S)S2
Synonyms (108)
- 2-MBT
- MBT
- 1,3-Benzothiazole-2-thiol
- 1,3-Benzothiazole-2-thione
- 155-04-4 (zinc salt)
- 2(3H)-Benzothiazolethione
- 2(3H)-Benzothiazoletione
- 2-Benzothiazolethiol
- 2-Benzothiazolethiol(9CI)
- 2-Benzothiazolethione
- 2-Benzothiazolinethione
- 2-Benzothiazolyl mercaptan
- 2-Mercaptobenzothiazole
- 2-Mercaptobenzothiazolyl
- 2-Mercaptobenzothioazole
- 2-Mercaptobenzthiazole
- 2-Mercptobenzothiazole
- 2-Merkaptobenzotiazol
- 2-Merkaptobenzthiazol
- 2-Merkaptobenzthiazol [Czech]
- 2-Sulfanylbenzothiazole
- 2-Sulphanyl-1,3-benzothiazole
- 2-benzothiazolthiol
- 2-mercaptobenzothiazol
- 2-mercaptobenzthiazol
- 2-sulfanyl-1,3-benzothiazole
- 2-thiobenzothiazole
- 3-hydrobenzothiazole-2-thione
- 3H-1,3-benzothiazole-2-thione
- 4162-43-0 (copper(+2) salt)
- 7778-70-3 (potassium salt)
- AB00053232-04
- AE-641/31369054
- AG 63
- Accel M
- Accelerator M
- Accelerator mercapto
- Benzo[d]thiazole-2(3H)-thione
- Benzo[d]thiazole-2-thiol
- Benzothiazole, 2-mercapto-
- Benzothiazole, mercapto-
- Benzothiazole-2-thiol
- Benzothiazole-2-thione
- Benzothiazolethiol
- Captax
- Caswell No. 541
- Cefmenoxime Impurity 20
- Cefmenoxime Impurity 21
- Ceftizoxime Impurity 14
- Ceftizoxime Impurity 33
- Ceftriaxone Impurity 37
- Dermacid
- Drmacid
- Ekagom G
- Kaptaks
- Kaptax
- Kaptax [Czech]
- MBT, captax
- Mebetizole
- Mebithizol
- Mercaptobenzothiazol
- Mercaptobenzothiazole (VAN)
- Mercaptobenzthiazole
- Mertax
- Nocceler M
- Nuodeb 84
- Nuodex 84
- Pennac mbt powder
- Perkacit MBT
- Pneumax MBT
- Rokon
- Rotax
- Royal MBT
- Skin Balm
- Soxinol M
- Sulfadene
- Sulfodene Medication for Dogs
- Thiotax
- Usaf gy-3
- Usaf xr-29
- Vulkacit M
- Vulkacit Mercapto
- Vulkacit Mercapto/C
- benzothiazolyl mercaptan
- captax, bismuth(+3) salt
- captax, cobalt(+2) salt
- captax, copper(+2) salt
- captax, lead(+2) salt
- captax, mercury (+2) salt
- captax, potassium salt
- captax, silver(+1) salt
- captax, sodium salt
- captax, zinc salt
- mebetizol
- mercapto-benzothiazole
- pennac mbt
- thione tautomer