CAS 705-21-5|3,5-Dichlorobenzenesulfonyl chloride

Introduction：Basic information about CAS 705-21-5|3,5-Dichlorobenzenesulfonyl chloride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	3,5-Dichlorobenzenesulfonyl chloride
CAS Number	705-21-5	Molecular Weight	245.511
Density	1.6±0.1 g/cm3	Boiling Point	334.4±32.0 °C at 760 mmHg
Molecular Formula	C₆H₃Cl₃O₂S	Melting Point	32-35 °C(lit.)
MSDS	ChineseUSA	Flash Point	156.0±25.1 °C
Symbol	GHS05	Signal Word	Danger

Names

Name	3,5-Dichlorobenzenesulfonyl Chloride
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.6±0.1 g/cm3
Boiling Point	334.4±32.0 °C at 760 mmHg
Melting Point	32-35 °C(lit.)
Molecular Formula	C₆H₃Cl₃O₂S
Molecular Weight	245.511
Flash Point	156.0±25.1 °C
Exact Mass	243.891937
PSA	42.52000
LogP	3.93
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.582
InChIKey	RJSQINMKOSOUGT-UHFFFAOYSA-N
SMILES	O=S(=O)(Cl)c1cc(Cl)cc(Cl)c1

Safety Information

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H314
Precautionary Statements	P280-P305 + P351 + P338-P310
Personal Protective Equipment	Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	C:Corrosive;
Risk Phrases	R34
Safety Phrases	S26-S36/37/39-S45
RIDADR	UN 1759 8/PG 2
WGK Germany	3
Packaging Group	II
Hazard Class	8
HS Code	2904909090

Customs

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%

Synonyms

3,5-Dichlorobenzenesulphonyl chloride

WSGR CG EG

3,5-Dichlorobenzenesulfonyl chloride

MFCD00051698

Benzenesulfonyl chloride, 3,5-dichloro-

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