m-Toluenesulfonyl chloride
Also known as: 3-Methylbenzenesulfonyl chloride, 3-Methylbenzene-1-sulfonyl chloride, 3-Toluenesulfonyl chloride, 3-Methylbenzenesulphonyl chloride, 3-methylphenylsulphonyl chloride, Toluene-3-sulfonyl chloride, m-Tolylsulfonyl chloride, meta-toluenesulfonyl chloride, 3-(Chlorosulphonyl)toluene
m-Toluenesulfonyl chloride (CAS 1899-93-0) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H7ClO2S and a molecular weight of 190.647 g/mol. Key properties include a boiling point of 278.2±19.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 122.1±21.5 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1899-93-0
- Jingsj CID
- J-17269-0
- Molecular Formula
- C7H7ClO2S
- Molecular Weight
- 190.647 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 278.2±19.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 122.1±21.5 °C |
| Exact Mass | 189.985519 |
| PSA | 42.52000 |
| LogP | 2.45 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.545 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2904909090 |
|---|---|
| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of m-Toluenesulfonyl chloride?
The CAS number of m-Toluenesulfonyl chloride is 1899-93-0.
What are the molecular formula and molecular weight of m-Toluenesulfonyl chloride?
m-Toluenesulfonyl chloride has molecular formula C7H7ClO2S and molecular weight 190.647 g/mol.
Is m-Toluenesulfonyl chloride hazardous?
m-Toluenesulfonyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of m-Toluenesulfonyl chloride?
For m-Toluenesulfonyl chloride, Upstream Products: m-Toluidine, m-Tolylmagnesium bromide, 3-Methylbenzenethiol; Downstream Products: 3-(Methylsulfonyl)benzaldehyde, 3-methylbenzenesulfonamide, 3-Sulfamoylbenzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "m-Toluenesulfonyl chloride (CAS 1899-93-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17269-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.