Benzenesulfonyl chloride
[CAS 98-09-9]

Identification

• Classification: Organic raw materials >> Hydrocarbon compounds and their derivatives >> Hydrocarbon sulfonate
• Name: Benzenesulfonyl chloride
• Molecular Formula: C₆H₅ClO₂S
• Molecular Weight: 176.62
• CAS Registry Number: 98-09-9
• EC Number: 202-636-6

Properties

• Density: 1.384
• Melting point: 14.5 °C
• Boiling point: 251-252 °C
• Refractive index: 1.5508-1.5528
• Flash point: 128 °C
• Water solubility: may decompose

Safety Data

• Hazard Symbols: C
• Risk Statements: R22;R29;R34
• Safety Statements: S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Skin corrosion	Skin Corr.	1B	H314
Skin corrosion	Skin Corr.	1A	H314
Skin sensitization	Skin Sens.	1	H317
Respiratory sensitization	Resp. Sens.	1	H334
Acute toxicity	Acute Tox.	4	H332
Serious eye damage	Eye Dam.	1	H318
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319
Skin corrosion	Skin Corr.	1C	H314
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H312

• Transport Information: UN 2225