Pharmaceutical Raw Material: Aspirin/ Acetyl salicylic acid

Items

Standard

Results

Characters

White crystal or crystalline powder/white powder

White crystalline powder

Identification(BP2007/USP31/EP5.0)A.IR-Spectrum

 Complies

Complies

B.melting point of salicylic acid(℃)

156-161

158.7

(USP)A.Ferric Acid reaction test

Complies

Complies

B.IR-Spectrum

Complies

Complies

Appcarance of solution

Clear and colorless

Clear and colorless

Substances Insolution in Sodium Carbonate TS

 Clear

Clear

Easily carbonated matter

≤Fluid Q

Complies

Free salicylic acid

≤0.1%

Complies

Loss on drying

≤0.5

0.04%

Residue on ignition(%)

≤0.05

0.03

Chloride

≤0.014

Complies

Sulfate

≤0.04%

Complies

Heavy metals

≤10PPM

Complies

Related substances/Any single impurity(%)

≤0.1

0.009

Total impuritie(%)

 ≤0.25

 0.033

Purity(%)

99.5-100.5

99.9