2,5-DICHLOROBENZENESULFONYL CHLORIDE

Product Name: 2,5-DICHLOROBENZENESULFONYL CHLORIDE
CAS No.: 5402-73-3
Chemical Name: 2,5-DICHLOROBENZENESULFONYL CHLORIDE
Synonyms: 2,5-Dichlorobenzene-1-sulfonyl chloride;2,5-dichloro-benzenesulfonylchlorid;2,5-DICHLOROBENZENESULFONYL CHLORIDE;2,5-DICHLOROBENZENESULPHONYL CHLORIDE;2,5-DichlorobenzenesulfonylChloride>Benzenesulfonyl chloride, 2,5-dichloro-;2,5-Dichlorobenzenesulphonyl chloride 98%;2,5-DICHLOROBENZENESULFONYL CHLORIDE, 98 %;2,5-Dichlorobenzenesulfonyl chloride, 98% 25GR
CBNumber: CB5428593
Molecular Formula: C6H3Cl3O2S
Formula Weight: 245.51
MOL File: 5402-73-3.mol

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2,5-DICHLOROBENZENESULFONYL CHLORIDE Property

Melting point:: 36-37 °C(lit.)
Boiling point:: 253°C (estimate)
Density: 1.608 (estimate)
Flash point:: >230 °F
storage temp.: Inert atmosphere,Room Temperature
solubility: Chloroform, DMSO
form: solid
color: Off-White to Pale Beige
Sensitive: Moisture Sensitive
BRN: 2369410
InChI: 1S/C6H3Cl3O2S/c7-4-1-2-5(8)6(3-4)12(9,10)11/h1-3H
InChIKey: BXCOSWRSIISQSL-UHFFFAOYSA-N
SMILES: Clc1ccc(Cl)c(c1)S(Cl)(=O)=O
CAS DataBase Reference: 5402-73-3(CAS DataBase Reference)
EPA Substance Registry System: Benzenesulfonyl chloride, 2,5-dichloro- (5402-73-3)

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Safety

Hazard Codes: C
Risk Statements: 34-36/37
Safety Statements: 26-27-28-36/37/39-45
RIDADR: UN 3261 8/PG 2
WGK Germany: 3
Hazard Note: Corrosive
TSCA: TSCA listed
HazardClass: 8
PackingGroup: II
HS Code: 29049090
Storage Class: 8A - Combustible corrosive hazardous materials
Hazard Classifications: Eye Dam. 1
Skin Corr. 1B
STOT SE 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

H335May cause respiratory irritation

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 177547
Product name: 2,5-Dichlorobenzenesulfonyl chloride
Purity: 98%
Packaging: 25g
Price: $122.55
Updated: 2025/07/31

Sigma-Aldrich

Product number: 177547
Product name: 2,5-Dichlorobenzenesulfonyl chloride
Purity: 98%
Packaging: 100g
Price: $491
Updated: 2025/07/31

TCI Chemical

Product number: D2244
Product name: 2,5-Dichlorobenzenesulfonyl Chloride
Purity: >98.0%(GC)(T)
Packaging: 25g
Price: $52
Updated: 2025/07/31

TCI Chemical

Product number: D2244
Product name: 2,5-Dichlorobenzenesulfonyl Chloride
Purity: >98.0%(GC)(T)
Packaging: 100g
Price: $141
Updated: 2025/07/31

TRC

Product number: D431905
Product name: 2,5-Dichlorobenzenesulfonyl chloride
Packaging: 50g
Price: $305
Updated: 2021/12/16

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2,5-DICHLOROBENZENESULFONYL CHLORIDE Chemical Properties,Usage,Production

Chemical Properties

beige crystalline powder

Uses

2,5-Dichlorobenzenesulfonyl chloride was used to study the synthesis and structure–activity profile of benzoxazole benzenesulfonamide analogs.

Uses

2,5-Dichlorobenzenesulfonyl Chloride is used in the synthesis of sulfonamide derivatives that show antibacterial activity. It has been described as a modifier for Nylon 6.

Production Methods

2,5-Dichlorobenzenesulfonyl Chloride is made by treating 1,4-dichlorobenzene with chlorosulfuric acid at 150 ℃ and stirring into ice water; yield 85%

2,5-DICHLOROBENZENESULFONYL CHLORIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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2,5-DICHLOROBENZENESULFONYL CHLORIDE Suppliers

Americas 1 Belgium 3 Canada 1 China 118 Europe 1 Finland 1 France 1 Germany 5 India 7 Japan 3 Poland 1 Switzerland 4 The Netherlands 1 United Kingdom 11 United States 24 Global 182

J & K SCIENTIFIC LTD.

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Alfa Aesar

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Energy Chemical

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Chemsky（shanghai）International Co.,Ltd.

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View Lastest Price from 2,5-DICHLOROBENZENESULFONYL CHLORIDE manufacturers

Shaanxi Dideu New Materials Co. Ltd

Product: 2,5-DICHLOROBENZENESULFONYL CHLORIDE 5402-73-3
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10000KGS
Release date: 2025-04-02

Shaanxi Dideu Medichem Co. Ltd

Product: 2,5-Dichlorobenzenesulfonyl chloride 5402-73-3
Price: US $0.00-0.00/KG
Min. Order: 10mg
Purity: 99%HPLC
Supply Ability: 2000tons
Release date: 2020-01-19

Hong Kong Tiansheng New Material Trading Co., Ltd

Product: 2,5-DICHLOROBENZENESULFONYL CHLORIDE 5402-73-3
Price: US $7.70/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 100KG
Release date: 2021-09-24

5402-73-3, 2,5-DICHLOROBENZENESULFONYL CHLORIDERelated Search:

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2,5-DICHLOROBENZENESULFONYL CHLORIDE

2,5-DICHLOROBENZENESULPHONYL CHLORIDE

2,5-DICHLOROBENZENESULFONYL CHLORIDE, 98 %

2,5-Dichlorobenzenesulfonyl chloride, 98% 25GR

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2,5-Dichlorobenzenesulphonyl chloride 98%

2,5-DichlorobenzenesulfonylChloride&gt

Benzenesulfonyl chloride, 2,5-dichloro-

5402-73-3

SULFONYL CHLORIDE

Building Blocks

Organic Building Blocks

Sulfur Compounds

Sulfonyl Halides

Benzenesulfonyl chloride

Organic Building Blocks

Sulfonyl Halides

Sulfur Compounds