Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzenesulfonylfluoride, 3-(chlorosulfonyl)-
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Purity: 98.0%
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2489-52-3

2489-52-3 structure

2489-52-3 structure

Name: Benzenesulfonylfluoride, 3-(chlorosulfonyl)-
Chemical Name: 3-chlorosulfonylbenzenesulfonyl fluoride
CAS Number: 2489-52-3
Molecular Formula: C₆H₄ClFO₄S₂
Molecular Weight: 258.67500
Create Date: 2017-01-31 16:38:26
Modify Date: 2025-08-25 11:16:37

Name	3-chlorosulfonylbenzenesulfonyl fluoride
Synonyms	Benzenesulfonyl chloride,m-(fluorosulfonyl) m-Benzenedisulfonyl chloride fluoride EINECS 219-643-5 Benzenesulfonyl fluoride,3-(chlorosulfonyl) 3-(fluorosulfonyl)benzenesulfonyl chloride Benzene-1,3-disulfonyl chloride fluoride m-Fluorosulfonylbenzenesulfonyl chloride

Density	1.649g/cm3
Boiling Point	326.5ºC at 760mmHg
Molecular Formula	C₆H₄ClFO₄S₂
Molecular Weight	258.67500
Flash Point	151.3ºC
Exact Mass	257.92200
PSA	85.04000
LogP	3.43390
Vapour Pressure	0.000408mmHg at 25°C
Index of Refraction	1.541

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DB8928000

CHEMICAL NAME :: Benzenesulfonyl chloride, m-(fluorosulfonyl)-

CAS REGISTRY NUMBER :: 2489-52-3

LAST UPDATED :: 199710

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H4-Cl-F-O4-S2

MOLECULAR WEIGHT :: 258.67

WISWESSER LINE NOTATION :: WSGR CSWF

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04699

RIDADR	UN 3265
Packaging Group	III
Hazard Class	8
HS Code	2904909090

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%

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