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3,4-DICHLOROBENZENESULFONYL CHLORIDE

CAS No.
98-31-7
Chemical Name:
3,4-DICHLOROBENZENESULFONYL CHLORIDE
Synonyms
3,4-DICHLOROBENZENES;3,4-Dichlorophenylsulfonyl chloride;3,4-dichloro-benzenesulfonylchlorid;3,4-DICHLOROBENZENESULFONYL CHLORIDE;3,4-DICHLOROBENZENESULPHONYL CHLORIDE;3,4-DichlorobenzenesulfonylChloride>Benzenesulfonyl chloride, 3,4-dichloro-;3,4-dichlorobenzene-1-sulfonyl chloride;3,4-Dichlorobenzenesulfonyl chloride,98%;3,4-Dichlorobenzenesulfonic acid chloride
CBNumber:
CB2744153
Molecular Formula:
C6H3Cl3O2S
Molecular Weight:
245.51
MDL Number:
MFCD00041255
MOL File:
98-31-7.mol
MSDS File:
SDS
Last updated:2026-01-13 11:16:38
Product description Number Pack Size Price
3,4-Dichlorobenzenesulfonyl chloride 95% 457132 5ml $134.9
3,4-Dichlorobenzenesulfonyl chloride 95% 457132 25ml $365.4
3,4-Dichlorobenzenesulfonyl Chloride >98.0%(T) D2990 5g $84
3,4-Dichlorobenzenesulfonyl Chloride >98.0%(T) D2990 25g $252
3,4-Dichlorobenzenesulfonyl Chloride D437530 10g $55
More product size

3,4-DICHLOROBENZENESULFONYL CHLORIDE Properties

Melting point 20-22°C
Boiling point 253 °C(lit.)
Density 1.572 g/mL at 25 °C(lit.)
refractive index n20/D 1.589(lit.)
Flash point 135 °F
storage temp. Inert atmosphere,Room Temperature
form powder to lump to clear liquid
color White or Colorless to Almost white or Almost colorless
Sensitive Moisture Sensitive
BRN 1956417
InChI 1S/C6H3Cl3O2S/c7-5-2-1-4(3-6(5)8)12(9,10)11/h1-3H
InChIKey NYIBPWGZGSXURD-UHFFFAOYSA-N
SMILES Clc1ccc(cc1Cl)S(Cl)(=O)=O
CAS DataBase Reference 98-31-7(CAS DataBase Reference)
FDA UNII AX3AD43WDD
EPA Substance Registry System Benzenesulfonyl chloride, 3,4-dichloro- (98-31-7)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS02,GHS05
Signal word  Danger
Hazard statements  H226-H314
Precautionary statements  P210-P233-P240-P280-P303+P361+P353-P305+P351+P338
PPE Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes  C
Risk Statements  34
Safety Statements  26-27-28-36/37/39-45
RIDADR  UN 2920 8/PG 2
WGK Germany  3
Hazard Note  Corrosive/Moisture Sensitive
TSCA  TSCA listed
HazardClass  8
PackingGroup  II
HS Code  29049090
Storage Class 3 - Flammable liquids
Hazard Classifications Flam. Liq. 3
Skin Corr. 1B
Limited Quantities 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
2
3 0

3,4-DICHLOROBENZENESULFONYL CHLORIDE price More Price(30)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 457132 3,4-Dichlorobenzenesulfonyl chloride 95% 98-31-7 5ml $134.9 2025-07-31 Buy
Sigma-Aldrich 457132 3,4-Dichlorobenzenesulfonyl chloride 95% 98-31-7 25ml $365.4 2025-07-31 Buy
TCI Chemical D2990 3,4-Dichlorobenzenesulfonyl Chloride >98.0%(T) 98-31-7 5g $84 2025-07-31 Buy
TCI Chemical D2990 3,4-Dichlorobenzenesulfonyl Chloride >98.0%(T) 98-31-7 25g $252 2025-07-31 Buy
TRC D437530 3,4-Dichlorobenzenesulfonyl Chloride 98-31-7 10g $55 2021-12-16 Buy
Product number Packaging Price Buy
457132 5ml $134.9 Buy
457132 25ml $365.4 Buy
D2990 5g $84 Buy
D2990 25g $252 Buy
D437530 10g $55 Buy

3,4-DICHLOROBENZENESULFONYL CHLORIDE Chemical Properties,Uses,Production

Description

3,4-Dichlorobenzenesulfonyl Chloride, fp 22.4℃, is manufactured from o-dichlorobenzene and chlorosulfuric acid; used as an inexpensive acylating agent.

Chemical Properties

Clear colorless to light yellow liquid

Uses

3,4-Dichloro-benzenesulfonyl Chloride is a useful reagent for organic synthesis.

3,4-DICHLOROBENZENESULFONYL CHLORIDE Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 206)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 20128 58
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29831 58
Changzhou Ansciep Chemical Co., Ltd.
+86 519 86305871 sales@ansciepchem.com CHINA 4241 58
Xiamen AmoyChem Co., Ltd
+86-86-5926051114 +8615060885618 sales@amoychem.com China 6369 58
Changzhou Ditong Chemical Co.,Ltd
+86-0519-88298848 info@edengenechem.com China 2176 58
Hubei xin bonus chemical co. LTD
86-13657291602 linda@hubeijusheng.com CHINA 22963 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63687 58
Wuhan Chemwish Technology Co., Ltd
027-67849912 sales@chemwish.com CHINA 10821 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49977 58
Fuxin Pharmaceutical
+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10000 58

View Lastest Price from 3,4-DICHLOROBENZENESULFONYL CHLORIDE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,4-DICHLOROBENZENESULFONYL CHLORIDE pictures 2025-09-25 3,4-DICHLOROBENZENESULFONYL CHLORIDE
98-31-7
US $100.00-1.00 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
3,4-DICHLOROBENZENESULFONYL CHLORIDE pictures 2019-07-06 3,4-DICHLOROBENZENESULFONYL CHLORIDE
98-31-7
US $2.00 / kg 1kg 99% 100kg Career Henan Chemical Co
3,4-dichloro-benzenesulfonylchlorid 3,4-Dichlorophenylsulfonyl chloride Benzenesulfonyl chloride, 3,4-dichloro- 3,4-DICHLOROBENZENESULFONYL CHLORIDE 3,4-DICHLOROBENZENESULPHONYL CHLORIDE 3,4-DICHLOROBENZENESULFONYL CHLORIDE, 95 % 3,4-Dichlorobenzenesulphonyl chloride 98% 3,4-dichlorobenzene-1-sulfonyl chloride 3,4-Dichlorobenzenesulfonic acid chloride 3,4-Dichlorobenzenesulfonyl chloride,98% 3,4-DICHLOROBENZENES 3,4-DichlorobenzenesulfonylChloride> 3,4-DICHLOROBENZENESULFONYL CHLORIDE ISO 9001:2015 REACH 98-31-7 C6H3Cl3O2S SULFONYL CHLORIDE Building Blocks Organic Building Blocks Sulfonyl Halides Sulfur Compounds Benzenesulfonyl chloride Benzene derivates Organic Building Blocks Sulfonyl Halides Sulfur Compounds