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4-Chlorobenzenesulfonic acid

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4-Chlorobenzenesulfonic acid Basic information

Product Name:
4-Chlorobenzenesulfonic acid
Synonyms:
  • P-CHLOROBENZENESULFONIC ACID
  • 4-CHLORO BENZENE SULPHONIC ACID
  • 4-CHLOROBENZENESULFONIC ACID
  • 4-Chlorobenzenesulfonec acid
  • 4-CHLOROBENZENESULFONIC ACID, TECH., 90%
  • 4-chloro-benzenesulfonicaci
  • Benzenesulfonic acid, 4-chloro-
  • Closylate
CAS:
98-66-8
MF:
C6H5ClO3S
MW:
192.62
EINECS:
202-690-0
Product Categories:
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acids
  • Organic acids
  • Sulfur Compounds
Mol File:
98-66-8.mol
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4-Chlorobenzenesulfonic acid Chemical Properties

Melting point:
102 °C
Boiling point:
149 °C/22 mmHg (lit.)
Density 
1.449 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Sparingly)
form 
solid
pka
-0.83±0.50(Predicted)
color 
White to Light yellow to Light orange
Water Solubility 
very faint turbidity
Merck 
14,2122
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
RJWBTWIBUIGANW-UHFFFAOYSA-N
CAS DataBase Reference
98-66-8(CAS DataBase Reference)
NIST Chemistry Reference
4-Chlorobenzene sulfonic acid(98-66-8)
EPA Substance Registry System
Benzenesulfonic acid, 4-chloro- (98-66-8)
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Safety Information

Hazard Codes 
C
Risk Statements 
34-22
Safety Statements 
26-27-28-36/37/39-45-24/25
RIDADR 
UN 2583 8/PG 2
WGK Germany 
3
RTECS 
DB5074000
HazardClass 
8
PackingGroup 
III
HS Code 
29041000

MSDS

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4-Chlorobenzenesulfonic acid Usage And Synthesis

Description

4-Chlorobenzenesulfonic acid is soluble in water and ethanol. Prepared by sulfonation of chlorobenzene with sulfuric acid; the water formed in the reaction is removed continuously. It can be hydrolyzed to chlorobenzene with steam at 190℃ and is used in the manufacture of 4-chloro-3-nitroben- zenesulfonic acid.

Chemical Properties

greyish-beige flaked solid

Uses

4-Chlorobenzenesulfonic acid was employed as anion dopants for the matrix-assisted laser desorption/ionization-mass spectrometry (MALDI-MS) of neutral oligosaccharides.

General Description

4-Chlorobenzenesulfonic acid is the major polar by-product formed during the chemical synthesis of 1,1,1-trichloro-2,2-bis-(4-chlorophenyl)ethane (DDT).

4-Chlorobenzenesulfonic acid Preparation Products And Raw materials

Raw materials

4-Chlorobenzenesulfonic acidSupplier

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