2-Mercaptobenzothiazole
Also known as: 2-Benzothiazolethiol, MBT, Captax, Mertax, Rotax, Kaptax, Perkacit MBT, Sulfur Accelerator M, 2-Mercaptobenzthiazole, 2-Mercptobenzothiazole, 2-Merkaptobenzotiazol, 2-benzothiazolethiol, 2-mercapto-benzothiazole, 2-mercaptobenzothialole, 2-sulfanyl-1,3-benzothiazole, Benzothiazole-2-thiol, Benzo[d]thiazole-2(3H)-thione, Benzothiazole-2(3H)-thione, 1,3-Benzothiazole-2(3H)-thione, Accel M
2-Mercaptobenzothiazole (CAS 149-30-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NS2 and a molecular weight of 167.251 g/mol. Key properties include a melting point of 177-181 °C(lit.), a boiling point of 305.0±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 243 ºC (dec.). It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 149-30-4
- Jingsj CID
- J-18674-6
- Molecular Formula
- C7H5NS2
- Molecular Weight
- 167.251 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 177-181 °C(lit.) |
|---|---|
| Boiling Point | 305.0±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 243 ºC (dec.) |
| Exact Mass | 166.986343 |
| PSA | 79.93000 |
| LogP | 2.38 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.784 |
| Additional Property | <0.1 g/100 mL at 19 ºC |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Mercaptobenzothiazole?
The CAS number of 2-Mercaptobenzothiazole is 149-30-4.
What are the molecular formula and molecular weight of 2-Mercaptobenzothiazole?
2-Mercaptobenzothiazole has molecular formula C7H5NS2 and molecular weight 167.251 g/mol.
Is 2-Mercaptobenzothiazole hazardous?
2-Mercaptobenzothiazole has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction; H410 — Very toxic to aquatic life with long lasting effects.
What are the upstream and downstream products of 2-Mercaptobenzothiazole?
For 2-Mercaptobenzothiazole, Upstream Products: Benzothiazole, 2,2'-Dithiobis(benzothiazole), Carbon disulphide; Downstream Products: 1H-Tridecafluorohexane, 2,2'-Dithiobis(benzothiazole), 2-piperazin-1-yl-benzothiazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Mercaptobenzothiazole (CAS 149-30-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18674-6 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.