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Salicylic Acid

Salicylic Acid

Specification :

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.

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