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ChemicalBook >> CAS DataBase List >>2,5-DICHLOROBENZENESULFONYL CHLORIDE

2,5-DICHLOROBENZENESULFONYL CHLORIDE

2,5-DICHLOROBENZENESULFONYL CHLORIDE Structure
2,5-DICHLOROBENZENESULFONYL CHLORIDE structure
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
Molecular Weight:
245.51
MDL Number:
MFCD00007429
MOL File:
5402-73-3.mol
Last updated:2026-01-29 11:01:52
Product description Number Pack Size Price
2,5-Dichlorobenzenesulfonyl chloride 98% 177547 25g $122.55
2,5-Dichlorobenzenesulfonyl chloride 98% 177547 100g $491
2,5-Dichlorobenzenesulfonyl Chloride >98.0%(GC)(T) D2244 25g $52
2,5-Dichlorobenzenesulfonyl Chloride >98.0%(GC)(T) D2244 100g $141
2,5-Dichlorobenzenesulfonyl chloride D431905 50g $305
More product size
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2,5-DICHLOROBENZENESULFONYL CHLORIDE Properties

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)
FDA UNII B9L46SY33B
EPA Substance Registry System Benzenesulfonyl chloride, 2,5-dichloro- (5402-73-3)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS05,GHS07
Signal word  Danger
Hazard statements  H314-H335
Precautionary statements  P260-P271-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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
Limited Quantities 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
1
3 0

2,5-DICHLOROBENZENESULFONYL CHLORIDE price More Price(24)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 177547 2,5-Dichlorobenzenesulfonyl chloride 98% 5402-73-3 25g $122.55 2025-07-31 Buy
Sigma-Aldrich 177547 2,5-Dichlorobenzenesulfonyl chloride 98% 5402-73-3 100g $491 2025-07-31 Buy
TCI Chemical D2244 2,5-Dichlorobenzenesulfonyl Chloride >98.0%(GC)(T) 5402-73-3 25g $52 2025-07-31 Buy
TCI Chemical D2244 2,5-Dichlorobenzenesulfonyl Chloride >98.0%(GC)(T) 5402-73-3 100g $141 2025-07-31 Buy
TRC D431905 2,5-Dichlorobenzenesulfonyl chloride 5402-73-3 50g $305 2021-12-16 Buy
Product number Packaging Price Buy
177547 25g $122.55 Buy
177547 100g $491 Buy
D2244 25g $52 Buy
D2244 100g $141 Buy
D431905 50g $305 Buy

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

Chemical Properties

beige crystalline powder

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.

Uses

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

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%

Application

2,6-Dichlorobenzenesulfonyl chloride can be used as a starting material in the multi-step synthesis of sulfonamide-containing diarylsquaramide.

2,5-DICHLOROBENZENESULFONYL CHLORIDE Preparation Products And Raw materials

Raw materials

1,4-Dichlorobenzene Sulfuryl chloride

Preparation Products

4-(2,5-DICHLORO-BENZENESULFONYLAMINO)-BENZOIC ACID N-(1,3-benzothiazol-2-yl)-2,5-dichlorobenzenesulfonamide 5-Chloro-2-fluorobenzenesulfonyl fluoride Benzenesulfonamide, 2,5-dichloro-N-propyl-

2,5-DICHLOROBENZENESULFONYL CHLORIDE Suppliers

Global( 182)Suppliers
Supplier Tel Email Country ProdList Advantage
career henan chemical co 		+86-0371-86658258 +8613203830695 sales@coreychem.com China 29831 58
Xiamen AmoyChem Co., Ltd 		+86-86-5926051114 +8615060885618 sales@amoychem.com China 6369 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
Shaanxi Dideu Medichem Co. Ltd 		+86-29-87569262 +86-15003564040 1056@dideu.com China 3982 58
Fuxin Pharmaceutical 		+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10000 58
SIMAGCHEM CORP 		+86-5922680277 +86-13806087780 sale@simagchem.com China 17346 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763 sales@tnjchem.com China 34563 58
Win-Win chemical CO., Limited 		+86-0086-577-64498589 +86-15355981851 sales@win-winchemical.com China 14343 58
Supplier Advantage
career henan chemical co 		58
Xiamen AmoyChem Co., Ltd 		58
Alchem Pharmtech,Inc. 		58
Wuhan Chemwish Technology Co., Ltd 		58
CONIER CHEM AND PHARMA LIMITED 		58
Shaanxi Dideu Medichem Co. Ltd 		58
Fuxin Pharmaceutical 		58
SIMAGCHEM CORP 		58
Hefei TNJ Chemical Industry Co.,Ltd. 		58
Win-Win chemical CO., Limited 		58

View Lastest Price from 2,5-DICHLOROBENZENESULFONYL CHLORIDE manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,5-Dichlorobenzenesulfonyl chloride pictures 2026-02-02 2,5-Dichlorobenzenesulfonyl chloride
5402-73-3
 US $0.00-0.00 / KG 10mg 99%HPLC 2000tons Shaanxi Dideu Medichem Co. Ltd
2,5-DICHLOROBENZENESULFONYL CHLORIDE pictures 2025-12-01 2,5-DICHLOROBENZENESULFONYL CHLORIDE
5402-73-3
 US $0.00 / kg 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
2,5-DICHLOROBENZENESULFONYL CHLORIDE pictures 2022-03-31 2,5-DICHLOROBENZENESULFONYL CHLORIDE
5402-73-3
 US $7.70 / KG 1KG 99% 10kg Hong Kong Tiansheng New Material Trading Co., Ltd

2,5-DICHLOROBENZENESULFONYL CHLORIDE Spectrum

2,5-DICHLOROBENZENESULFONYL CHLORIDE(5402-73-3)MS2,5-DICHLOROBENZENESULFONYL CHLORIDE(5402-73-3)1HNMR2,5-DICHLOROBENZENESULFONYL CHLORIDE(5402-73-3)13CNMR2,5-DICHLOROBENZENESULFONYL CHLORIDE(5402-73-3)IR12,5-DICHLOROBENZENESULFONYL CHLORIDE(5402-73-3)IR22,5-DICHLOROBENZENESULFONYL CHLORIDE(5402-73-3)Raman

5402-73-3(2,5-DICHLOROBENZENESULFONYL CHLORIDE)Related Search:

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2,5-dichloro-benzenesulfonylchlorid 2,5-DICHLOROBENZENESULFONYL CHLORIDE 2,5-DICHLOROBENZENESULPHONYL CHLORIDE 2,5-DICHLOROBENZENESULFONYL CHLORIDE, 98 % 2,5-Dichlorobenzenesulfonyl chloride, 98% 25GR 2,5-Dichlorobenzene-1-sulfonyl chloride 2,5-Dichlorobenzenesulphonyl chloride 98% 2,5-DichlorobenzenesulfonylChloride> 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