2,5-Dichlorobenzenethiol
Also known as: 2,5-Dichlorothiophenol, 2,5-Dichlorobenzene-1-thiol, Benzenethiol, 2,5-dichloro-, Thiophenol, 2,5-dichloro-, EINECS 227-486-9, MFCD00004831
2,5-Dichlorobenzenethiol (CAS 5858-18-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2S and a molecular weight of 179.067 g/mol. Key properties include a melting point of 22-25°C, a boiling point of 202.3±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 96.4±21.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5858-18-4
- Jingsj CID
- J-17000-3
- Molecular Formula
- C6H4Cl2S
- Molecular Weight
- 179.067 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 22-25°C |
|---|---|
| Boiling Point | 202.3±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 96.4±21.2 °C |
| Exact Mass | 177.941071 |
| PSA | 38.80000 |
| LogP | 3.78 |
| Vapor Pressure | 0.4±0.3 mmHg at 25°C |
| Refractive Index | 1.620 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,5-Dichlorobenzenethiol?
The CAS number of 2,5-Dichlorobenzenethiol is 5858-18-4.
What are the molecular formula and molecular weight of 2,5-Dichlorobenzenethiol?
2,5-Dichlorobenzenethiol has molecular formula C6H4Cl2S and molecular weight 179.067 g/mol.
Is 2,5-Dichlorobenzenethiol hazardous?
2,5-Dichlorobenzenethiol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2,5-Dichlorobenzenethiol?
For 2,5-Dichlorobenzenethiol, Upstream Products: 2,5-Dichlorobenzenesulfonyl chloride, 1,4-Dichlorobenzene, 2,5-Dichloroaniline; Downstream Products: C.I. Pigment Red 88, Phenkapton, 3-Ethoxybenzenethiol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,5-Dichlorobenzenethiol (CAS 5858-18-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17000-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.