BP / USP ASPIRINKRISTALLEN

Test Item

Standard Specification

Test Data

Characters

White crystal or crystalline powder

White crystalline powder

Identification(BP2007/USP31) A. IR-Spectrum

Complies

Complies

B. Melting point of salicylic acid (°C)

156-161

158.5

(USP) A. Ferric Acid reaction test

Complies

Complies

B. IR-Spectrum

Complies

Complies

Appearance of solution

Clear and colorless

Clear and colorless

Substances Insolution in Sodium Carbonate TS

Clear

Clear

Easily carbonated matter

≤Fluid Q

<Fluid Q

Free salicylic acid

≤0.1%

<0.1%

Loss on Drying (%)

≤0.5%

0.05%

Residue on Ignition (%)

≤0.05%

0.04

Chloride

≤0.014

<0.013

Sulfate

≤0.04%

<0.03

Heavy Metals

≤10PPM

<10PPM

Related substances/    

Any single impurity (%)

≤0.1

0.011

Total Impuritie (%)

≤0.25

0.032

Purity (%)

99.5-100.5

99.9

Conclusion:

The product complies with BP2007/USP31(20-60mesh)