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p-Toluenesulfonamide

Name:p-Toluenesulfonamide;PTSA

4-Toluene sulfonamide; 4-Methylbenzenesulfonamide
CAS NO.70-55-3
M.F: C7H9NO2S
MW:171.22
Appearance:White flaky crystal

Purity:>98%
The detailed specifications are as below:


Item of testing 

Inspection Standard

Result 

Appearance

White crystal powder

Conform

Purity

99.5% Min

99.84%

Water

0.2% Max

0.12%

Melting Point

136°C Min

136.7°C

Color

20 APHA Max

10 APHA

Ortho

0.2% Max

0.1%

Meta

0.1% Max

0.02%

Chloride

50 ppm Max

40 ppm

Sulphate

50 ppm Max

40 ppm

Heavy Metal

10 ppm Max

10 ppm

Lron

2 ppm Max

None

Sulfated Ash

0.05% Max

0.02%

Turbidity

10 Max

10

Ammonium

15 mg/kg Max

10 mg/kg

PH

5.0-7.0

6.5

Acid base

0.5 meq/kg

0.4 meq/kg

Sulfones

0.1% Max

0.05%

Solution in NaOH

Clear

Conform

Conclusion 

The product conforms to the factory standard.