2-Mercaptobenzimidazole
Also known as: 1,3-Dihydro-2H-benzimidazole-2-thione, 1,3-dihydro-2h-benzimidazole-2-thion, 1H-Benzimidazole-2-thiol, 2,3-dihydro-1H-benzimidazole-2-thione, 2,3-dihydro-2-benzimidazolethione, 2,3-dihydrobenzimidazol-2-thione, 2-Benzimidazolethiol, 2-Mercapto Benzimidazole, 2-Mercaptobenzimidazole Joyce, 2H-Benzimidazole-2-thione, 1,3-dihydro-, AOMB, Antigen MB, EINECS 209-502-6, Lansoprazole Impurity 5, MFCD00466107, Nocrac MB, Rabeprazole Impurity 33, Rabeprazole Mercapto Impurity 2, Rabeprazole-1, Rabeprazole sodium EP Impurity F
2-Mercaptobenzimidazole (CAS 583-39-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2S and a molecular weight of 150.201 g/mol. Key properties include a melting point of 300-304 °C(lit.), a boiling point of 332.1±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 154.7±23.2 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 583-39-1
- Jingsj CID
- J-1012006-0
- Molecular Formula
- C7H6N2S
- Molecular Weight
- 150.201 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 300-304 °C(lit.) |
|---|---|
| Boiling Point | 332.1±25.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 154.7±23.2 °C |
| Exact Mass | 150.025162 |
| PSA | 67.48000 |
| LogP | 2.48 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.771 |
| Additional Property | <0.1 g/100 mL at 23.5 ºC |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-Mercaptobenzimidazole?
The CAS number of 2-Mercaptobenzimidazole is 583-39-1.
What are the molecular formula and molecular weight of 2-Mercaptobenzimidazole?
2-Mercaptobenzimidazole has molecular formula C7H6N2S and molecular weight 150.201 g/mol.
Is 2-Mercaptobenzimidazole hazardous?
2-Mercaptobenzimidazole has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of 2-Mercaptobenzimidazole?
For 2-Mercaptobenzimidazole, Upstream Products: Carbon disulphide, o-Phenylenediamine, Sodium trithiocarbonate; Downstream Products: 1H-Benzimidazole-2-sulfonic acid, Benzimidazole, 2-Bromo-1H-benzimidazole.
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-Mercaptobenzimidazole (CAS 583-39-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1012006-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.