Basic information Safety Supplier Related

P-TOLUENESULFINIC ACID

Basic information Safety Supplier Related

P-TOLUENESULFINIC ACID Basic information

Product Name:
P-TOLUENESULFINIC ACID
Synonyms:
  • 4-methyl-Benzenesulfinicacid
  • toluene-4-sulphinicacid
  • toluenesulfinicacid
  • P-TOLUENESULPHINIC ACID
  • P-TOLUENESULFINIC ACID
  • 4-TOLUENESULFINIC ACID
  • Benzenesulfinic acid,4-methyl-
  • P-ToluenesulfinicAci
CAS:
536-57-2
MF:
C7H8O2S
MW:
156.2
EINECS:
208-638-3
Product Categories:
  • Industrial/Fine Chemicals
Mol File:
536-57-2.mol
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P-TOLUENESULFINIC ACID Chemical Properties

Melting point:
85°
Boiling point:
250.45°C (rough estimate)
Density 
1.2474 (rough estimate)
refractive index 
1.5248 (estimate)
storage temp. 
Inert atmosphere,Store in freezer, under -20°C
pka
pK1:1.7 (25°C)
Appearance
White to off-white Solid
InChI
InChI=1S/C7H8O2S/c1-6-2-4-7(5-3-6)10(8)9/h2-5H,1H3,(H,8,9)
InChIKey
FXJVNINSOKCNJP-UHFFFAOYSA-N
SMILES
C1(S(O)=O)=CC=C(C)C=C1
EPA Substance Registry System
Benzenesulfinic acid, 4-methyl- (536-57-2)
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Safety Information

RTECS 
GZ7260000
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P-TOLUENESULFINIC ACID Usage And Synthesis

Uses

p-toluenesulfinic acid is used in preparation of alkyl, vinyl, and allyl sulfones; starting material for the preparation of chiral sulfoxides; mild acid catalyst.

Synthesis Reference(s)

Chemical and Pharmaceutical Bulletin, 35, p. 1770, 1987 DOI: 10.1248/cpb.35.1770

Synthesis

p-toluenesulfinic acid is prepared by isolation of the free acid via acidification of an aqueous solution of the sodium salt has been described; partial conversion to p-Toluenesulfonic Acid frequently accompanies drying of the free acid.

storage

It should be stored in a cool, dry place away from strong oxidizing agents.

P-TOLUENESULFINIC ACIDSupplier

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