Items

Specification

Result

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White Crystalline Powder

White Crystalline Powder

p-Hydroxybenzoic  Acid  and  Salicylic   Acid

0.10%Max

＜0.10%

Melting Point

125-128℃

127.3℃

Acidity

Pass

Pass

Sulfate（SO₄²）

      0.024%Max

＜0.024%

Loss on drying

0.50% Max

0.23%

Residue

0.10% Max

0.030%

Purity（On dry bese）

99.0%Min

99.89%

Edition 

Q/SH 008-2014