(4-Methylphenyl)methanesulfonyl chloride
Also known as: 4-Methylbenzylsulfonyl chloride, p-Tolylmethanesulfonyl chloride, 4-Methylbenzenemethanesulfonyl chloride, p-Methyl-α-toluenesulfonyl chloride, 4-Methylbenzylsulfon, BenzeneMethanesulfonylchloride, 4-Methyl-, alpha-p-Xylenesulfonyl chloride, MFCD01631931
(4-Methylphenyl)methanesulfonyl chloride (CAS 51419-59-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H9ClO2S and a molecular weight of 204.674 g/mol. Key properties include a melting point of 76-80 °C, a boiling point of 305.2±21.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 138.4±22.1 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and 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.
- 51419-59-1
- Jingsj CID
- J-24127-0
- Molecular Formula
- C8H9ClO2S
- Molecular Weight
- 204.674 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 76-80 °C |
|---|---|
| Boiling Point | 305.2±21.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 138.4±22.1 °C |
| Exact Mass | 204.001175 |
| PSA | 42.52000 |
| LogP | 2.47 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.556 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- 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 (4-Methylphenyl)methanesulfonyl chloride?
The CAS number of (4-Methylphenyl)methanesulfonyl chloride is 51419-59-1.
What are the molecular formula and molecular weight of (4-Methylphenyl)methanesulfonyl chloride?
(4-Methylphenyl)methanesulfonyl chloride has molecular formula C8H9ClO2S and molecular weight 204.674 g/mol.
Is (4-Methylphenyl)methanesulfonyl chloride hazardous?
(4-Methylphenyl)methanesulfonyl chloride has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of (4-Methylphenyl)methanesulfonyl chloride?
For (4-Methylphenyl)methanesulfonyl chloride, Upstream Products: (4-Methylphenyl)methanethiol, 4-Methylbenzyl chloride, Dimethyl chloromalonate; Downstream Products: (E)-1,2-Bis(4-methylphenyl)ethene, p-Tolualdehyde, 4-Methylbenzophenone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(4-Methylphenyl)methanesulfonyl chloride (CAS 51419-59-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24127-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.