Salicylic Acid Medical Grade

Salicylic Acid Medical Grade ( USP-NF)

Item No.: CY-SA04

Appearance :White or Almost white crystalline powder or colourless acicular crystals
Solubility: Slightly soluble in water,freely soluble in ethanol(96 percent),sparingly soluble in methylene chloride.
Identification A: Sample Infraredabsorption
spectropho-tometry.
Identification B: The RT of the major peak of sample solution corresponds to that of the Salicylic Acid Standard solution
Loss on drying:≤0.05%
Residueon ignition:≤0.05%
Sulfate: ≤200ppm
Chloride:≤0.014%
Salicylic Acid related compound A:≤0.1%
Salicylic Acid related compound B: ≤0.05%
Salicylic Acid :- N.A.
Phenol: ≤0.02%
Any other individual impurity: ≤0.05%
Total impurities: ≤0.2%
Assay（on dried basis）: 98.0%-102.0%