Salicylic Acid

Items

Specification

Results

Test Method

Appearance

White Or Almost White Crystalline Powder Or Colourless Crystals

white Crystalline Powder

Identification

A Melting Point 158-161℃

B The IR Spectrum Of Sample Complies With Salicylic Acid CRS

158.9-160.3℃

conforms

Appearance Of Solution

clear And Colourless

conforms

Related Substances

4-hydroxybenzoic Acid ≤0.1%

4-hydroxyisophthalic Acid ≤0.05%

Phenol ≤0.02%

Other Impurities ≤0.05%

Total Impurities ≤0.2%

0.01%

0.00%

0.00%

<0.05%

<0.02%

Chloride

≤100ppm

<100ppm

Sulfate

≤200ppm

<200ppm

Heavy Metals

≤20ppm

<20ppm

Loss On Drying

≤0.5%

0.02%

Sulphated Ash

≤0.1%

0.03%

Assay(dried Substance)

99.0%-100.5%

99.6%

Conclusion:

Meet The Requirement Of BP2010 Standard.