2-Sulfobenzoic acid Chemical Properties

Melting point:

142 °C

Density 

1.620±0.06 g/cm3(Predicted)

storage temp. 

2-8°C

form 

crystalline powder

pka

-1.12±0.15(Predicted)

color 

White

CAS DataBase Reference

632-25-7(CAS DataBase Reference)

EPA Substance Registry System

Benzoic acid, 2-sulfo- (632-25-7)

Safety Information

Hazard Codes 

C

Risk Statements 

34-22

Safety Statements 

45-36/37/39-26

HS Code 

2916399090

MSDS

• Language:English Provider:2-Sulfobenzoic acid
• Language:English Provider:ACROS

2-Sulfobenzoic acid Usage And Synthesis

Chemical Properties

White needles. Soluble in water and alcohol; insoluble in ether.

Uses

Manufacture of sulfonaphthalein indicators, dyes.

Synthesis Reference(s)

The Journal of Organic Chemistry, 16, p. 1582, 1951 DOI: 10.1021/jo50004a014

Purification Methods

Crystallise the acid from water. The S-benzylisothiuronium salt has m 205.5-206.5o (from aqueous EtOH). [Beilstein 1 H 369, 1 II 215, 1 III 658.]

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