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Sodium p-toluenesulfinate

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Sodium p-toluenesulfinate Basic information

Product Name:
Sodium p-toluenesulfinate
Synonyms:
  • 4-methyl-benzenesulfinicacisodiumsalt
  • Benzenesulfinicacid,4-methyl-,sodiumsalt
  • p-toluensulfinansodny
  • Sodium4-methylbenzenesulfinate
  • sodium4-toluenesulfinate
  • 4-TOLUENESULFINICACIDSODIUMSALTHYDRATE
  • Natriumtoluol-4-sulfinat
  • 4-TOLUENESULFINIC ACID. 4H2O
CAS:
824-79-3
MF:
C7H7NaO2S
MW:
178.18
EINECS:
212-538-5
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acid Salts
  • Sulfur Compounds
  • FINE Chemical & INTERMEDIATES
  • Pharmaceutical Intermediates
  • Industrial/Fine Chemicals
Mol File:
824-79-3.mol
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Sodium p-toluenesulfinate Chemical Properties

Melting point:
>300 °C(lit.)
storage temp. 
Store below +30°C.
form 
Powder
color 
White to off-white
Water Solubility 
Slightly soluble in water.
Sensitive 
Hygroscopic
Merck 
14,9532
BRN 
4621454
CAS DataBase Reference
824-79-3(CAS DataBase Reference)
EPA Substance Registry System
Benzenesulfinic acid, 4-methyl-, sodium salt (824-79-3)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
22-24/25-37/39-26
WGK Germany 
2
RTECS 
XT4725000
3
Hazard Note 
Irritant
TSCA 
Yes
HS Code 
2930 90 98

MSDS

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Sodium p-toluenesulfinate Usage And Synthesis

Chemical Properties

White powder

Uses

Sodium p-toluenesulfinate can be used as intermediate of pharmaceutical and dispersal dyes, and also can be used as curing agent of grouting material.

Purification Methods

Recrystallise the salt from water (to constant UV spectrum) and dry it under vacuum, or extract it with hot *benzene, then dissolve it in EtOH/H2O and heat with decolorising charcoal. The solution is filtered and cooled to give crystals of the dihydrate.[Beilstein 11 I 718.]

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