Sodium p-toluenesulfonate

Sodium p-toluenesulfonate is an organic compound with the formula CH3C6H4SO3Na. It is white, water-soluble solid. It is produced by the neutralization toluenesulfonic acid with sodium hydroxide. It is also a common product from the reactions of sodium-based reagents with toluenesulfonates.[1]

Sodium p-toluenesulfonate
Identifiers
3D model (JSmol)
ChEMBL
ECHA InfoCard 100.010.476
EC Number
  • 211-522-5
  • 235-088-1
RTECS number
  • XT7350000
UNII
  • InChI=1S/C7H8O3S.Na/c1-6-2-4-7(5-3-6)11(8,9)10;/h2-5H,1H3,(H,8,9,10);/q;+1/p-1
    Key: KVCGISUBCHHTDD-UHFFFAOYSA-M
  • CC1=CC=C(C=C1)S(=O)(=O)[O-].[Na+]
Properties
C7H7NaO3S
Molar mass 194.18 g·mol−1
Appearance white solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Heating this salt in strong base results in desulfonation, giving, after acid workup, p-cresol.[2]

References
  1. Marc Julia, Michel Maumy (1976). "Free-Radical Cyclization: Ethyl 1-Cyano-2-Methylcyclohexanecarboxylate". Organic Syntheses. 55: 57. doi:10.15227/orgsyn.055.0057.
  2. W. W. Hartman (1923). "p-Cresol". Organic Syntheses. 3: 37. doi:10.15227/orgsyn.003.0037.
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