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

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
InChIKey
BXCOSWRSIISQSL-UHFFFAOYSA-N
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 
T
HazardClass 
8
PackingGroup 
II
HS Code 
29049090
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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

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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:

2,6-DICHLOROBENZENESULFONYL CHLORIDE 4-BROMO-2,6-DICHLOROBENZENESULFONYL CHLORIDE 3,4-DICHLOROBENZENESULFONYL CHLORIDE,3,4-DICHLOROBENZENESULFONYL CHLORIDE, 95 % 4-(2-CHLORO-4-NITROPHENOXY)-3,5-DICHLOROBENZENESULFONYL CHLORIDE 2,3-DICHLOROBENZENESULFONYL CHLORIDE,97%,2,3-DICHLOROBENZENESULFONYL CHLORIDE 3,5-DICHLOROBENZENESULFONYL CHLORIDE 2,4-DICHLOROBENZENESULFONYL CHLORIDE 2,4,5-TRICHLOROBENZENESULFONYL CHLORIDE 2,5-DICHLOROBENZENESULFONYL CHLORIDE Benzenesulfonyl chloride 4-AMINO-2,5-DICHLORO-BENZENESULFONYL CHLORIDE 2-BROMO-4,6-DICHLOROBENZENESULFONYL CHLORIDE 2,3,4,5-TETRACHLOROBENZENE-1-SULFONYL CHLORIDE 4-{[(4-bromophenyl)sulfonyl]amino}-2,6-dichlorobenzenesulfonyl chloride 4-(acetylamino)-2,6-dichlorobenzenesulfonyl chloride 2,5-DICHLORO-3,6-DIMETHYLBENZENESULFONYL CHLORIDE 2,3,5,6-tetrachlorobenzene-1-sulfonyl chloride 4-(AMINOSULFONYL)-2,6-DICHLOROBENZENESULFONYL CHLORIDE

  • 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&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