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Sodium p-toluenesulfonate

Basic information Safety Supplier Related

Sodium p-toluenesulfonate Basic information

Product Name:
Sodium p-toluenesulfonate
Synonyms:
  • naxonatehydrotrope
  • para-toluenesulfonicacid,sodiumsalt
  • p-toluenesulfonicacid,sodiumsalt,mixtureofisomers
  • sodiumparatoluenesulphonate
  • sodiump-methylbenzenesulfonate
  • sodiump-toluenesulphonate
  • sodiumtosylate
  • tosylate,sodium
CAS:
657-84-1
MF:
C7H7NaO3S
MW:
194.18
EINECS:
211-522-5
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acid Salts
  • Sulfur Compounds
  • dye chemistry,hydrotropic solvent
Mol File:
657-84-1.mol
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Sodium p-toluenesulfonate Chemical Properties

Melting point:
>300°C
Density 
1.55 g/cm3 (20℃)
vapor pressure 
<1 hPa (20 °C)
Flash point:
500 °C
storage temp. 
Store below +30°C.
solubility 
818g/l soluble
form 
Powder
color 
White to off-white
Water Solubility 
soluble
Merck 
14,9533
BRN 
3637479
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
KVCGISUBCHHTDD-UHFFFAOYSA-M
CAS DataBase Reference
657-84-1(CAS DataBase Reference)
EPA Substance Registry System
Sodium p-tolylsulfonate (657-84-1)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38-36
Safety Statements 
26-36
WGK Germany 
1
RTECS 
XT7350000
HS Code 
29041000
Hazardous Substances Data
657-84-1(Hazardous Substances Data)

MSDS

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Sodium p-toluenesulfonate Usage And Synthesis

Chemical Properties

white powder

Uses

Usually used as a supporting electrolyte for depositing polypyrrole membranes, ang also used as a solute to study the performance of resin particles.

Purification Methods

Dissolve it in distilled water, filter it to remove insoluble impurities and evaporate it to dryness. Then recrystallise it from MeOH or EtOH, and dry it at 110o. Its solubility in EtOH is not high (maximum 2.5%), so that Soxhlet extraction with EtOH may be preferable. Sodium p-toluenesulfonate has also been crystallised from Et2O and dried under a vacuum at 50o. [Beilstein 11 I 4, 11 II 6, cf Gibson & Reid J Chem Soc 879 1923.]

Sodium p-toluenesulfonate Preparation Products And Raw materials

Preparation Products

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