P-Carboxy Benzene Sulfonamide, CAS No. : 873-32-5

TEST

STANDARD

OBSERVATIONS

Appearance

Almost White to White Crystalline powder

Almost White to White Crystalline powder

Solubility

Insoluble in water, soluble in alkali hydroxide solution

Confirms

Melting Range

275°C - 280°C

277°C - 280°C

Water Content (by KF)

NMT 0.5%

0.22%

Purity by HPLC

p-Carboxy Benzene Sulfonamid

NLT 99%

99.65%

p-Toluene Sulfonamide

NMT 0.5%

0.22%

Any Unknown Impurity

NMT 0.5%

0.13%

Total Impurity

NMT 1.0%

0.35%