2,3,4,5,6-Pentamethylbenzenesulfonyl chloride

2,3,4,5,6-五甲基苯磺酰氯

Also known as: Pentamethylbenzenesulfonyl chloride, 2,3,4,5,6-pentamethylbenzene-1-sulfonyl chloride, Pentamethylbenzenesulphonyl chloride, 2,3,4,5,6-pentamethylbenzene-1-sulphonyl chloride

2,3,4,5,6-Pentamethylbenzenesulfonyl chloride (CAS 52499-94-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H15ClO2S and a molecular weight of 246.75400 g/mol. It is also known as Pentamethylbenzenesulfonyl chloride, 2,3,4,5,6-pentamethylbenzene-1-sulfonyl chloride and Pentamethylbenzenesulphonyl chloride. Key properties include a melting point of 81-85 °C(lit.), a boiling point of 362.5ºC at 760 mmHg, a density of 1.189g/cm3 and a flash point of 173ºC. 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.
52499-94-2
Jingsj CID
J-11159-7
Molecular Formula
C11H15ClO2S
Chinese Name
2,3,4,5,6-五甲基苯磺酰氯
Molecular Weight
246.75400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point81-85 °C(lit.)
Boiling Point362.5ºC at 760 mmHg
Density1.189g/cm3
Flash Point173ºC
Exact Mass246.04800
PSA42.52000
LogP4.23690
Refractive Index1.524

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2904909090
SummaryHS: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 2,3,4,5,6-Pentamethylbenzenesulfonyl chloride?

The CAS number of 2,3,4,5,6-Pentamethylbenzenesulfonyl chloride is 52499-94-2.

What are the molecular formula and molecular weight of 2,3,4,5,6-Pentamethylbenzenesulfonyl chloride?

2,3,4,5,6-Pentamethylbenzenesulfonyl chloride has molecular formula C11H15ClO2S and molecular weight 246.75400 g/mol.

Is 2,3,4,5,6-Pentamethylbenzenesulfonyl chloride hazardous?

2,3,4,5,6-Pentamethylbenzenesulfonyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,3,4,5,6-Pentamethylbenzenesulfonyl chloride (CAS 52499-94-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11159-7 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.