Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Chlorobenzenesulfinic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: p-Chlorobenzenesulphinic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

100-03-8

100-03-8 structure

100-03-8 structure

Name: 4-Chlorobenzenesulfinic acid
Chemical Name: p-chlorobenzenesulphinic acid
CAS Number: 100-03-8
Molecular Formula: C₆H₅ClO₂S
Molecular Weight: 176.621
Create Date: 2018-09-29 19:21:32
Modify Date: 2025-08-27 20:30:23

Name	p-chlorobenzenesulphinic acid
Synonyms	4-Chlorobenzenesulfinicacid 4-Chlor-benzolsulfinsaeure 4-chlorobenzenesulphinic acid Benzenesulfinic acid, 4-chloro- P-CHLORO BENZENE SULFINIC ACID 4-Chlorobenzenesulfinic acid

Density	1.6±0.1 g/cm3
Boiling Point	363.9±44.0 °C at 760 mmHg
Melting Point	93 - 95ºC
Molecular Formula	C₆H₅ClO₂S
Molecular Weight	176.621
Flash Point	173.9±28.4 °C
Exact Mass	175.969879
PSA	56.51000
LogP	1.09
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.695

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DA9110000

CHEMICAL NAME :: Benzenesulfinic acid, p-chloro-

CAS REGISTRY NUMBER :: 100-03-8

BEILSTEIN REFERENCE NO. :: 2356583

LAST UPDATED :: 199709

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C6-H5-Cl-O2-S

MOLECULAR WEIGHT :: 176.62

WISWESSER LINE NOTATION :: QSO&R DG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

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

REFERENCE :: JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 25,501,1977

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#04978

HS Code	2930909090

Precursor 10
98-60-2 14752-66-0 349-89-3 82964-98-5
108-90-7 536-57-2 3558-24-5 1142-97-8
5755-58-8 87015-41-6
DownStream 10
383-11-9 618-41-7 90-98-2 2901-92-0
1889-71-0 1142-19-4 2901-91-9 98-66-8
1146-44-7 5395-79-9

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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