Pentachlorothiophenol
Also known as: Pentachlorobenzenethiol, 2,3,4,5,6-Pentachlorobenzenethiol, 2,3,4,5,6-Pentachlorobenzene-1-thiol, PCBT, Akrochem Peptizer PTP, NSC 5578, RPA 6, Struktol A 95
Pentachlorothiophenol (CAS 133-49-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6HCl5S and a molecular weight of 282.402 g/mol. Key properties include a melting point of 223-227 °C(lit.), a boiling point of 351.3±37.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 144.6±25.9 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 133-49-3
- Jingsj CID
- J-1993053-1
- Molecular Formula
- C6HCl5S
- Molecular Weight
- 282.402 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 223-227 °C(lit.) |
|---|---|
| Boiling Point | 351.3±37.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 144.6±25.9 °C |
| Exact Mass | 279.824158 |
| PSA | 38.80000 |
| LogP | 5.43 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.648 |
GHS Safety & Compliance
- H319 — Causes serious eye 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 Pentachlorothiophenol?
The CAS number of Pentachlorothiophenol is 133-49-3.
What are the molecular formula and molecular weight of Pentachlorothiophenol?
Pentachlorothiophenol has molecular formula C6HCl5S and molecular weight 282.402 g/mol.
Is Pentachlorothiophenol hazardous?
Pentachlorothiophenol has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.
What are the upstream and downstream products of Pentachlorothiophenol?
For Pentachlorothiophenol, Upstream Products: Hexachlorobenzene, Pentachloronitrobenzene, Isobutane Residual Solvent Standard; Downstream Products: Bis(pentachlorophenyl) disulfide, Pentachlorothioanisole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pentachlorothiophenol (CAS 133-49-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993053-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.