Product Name: Salicylic acid
CAS Number:69-72-7
EINECS No: 200-712-3
Empirical Formula (Hill Notation):C7H6O3
Specification:98% By HPLC
Package:25Kg/Drum
Drum’s Size:36cm*36cm*52cm
Shelf Time:2 Years
What Is Salicylic Acid?
Salicylic acid is a naturally occurring molecule derived from the bark of willow trees. It’s part of a class of acids called beta-hydroxy acids, or BHAs, and is known for its ability to help exfoliate and slough away dead skin cells from the skin’s surface.
Items |
Specifications |
Appearance |
White or almost white, crystalline powder or colourless crystals |
Identification A. melting point of salicylic acid(℃) |
158-161 |
B. IR-Spectrum |
Positive |
C. Ferric Acid reaction test |
Complies |
Appearance of solution |
Clear and colorless |
Chloride |
≤100ppm |
Sulfate |
≤200ppm |
Heavy metals |
≤20ppm |
Loss on drying(%) |
≤0.5 |
Sulphated ash(%) |
≤0.1 |
Related substances 4-hydroxybenzoic acid (%) |
≤0.1 |
4-hydroxyisophthalic acid(%) |
≤0.05 |
Phenol (%) |
≤0.02 |
Other impurities |
≤0.05 |
Assay (%) |
99.0%—100.5% |
While salicylic acid is good for any skin type, Dr. Hu says that people who have acne-prone and oily skin will benefit the most from this ingredient as it has anti-inflammatory properties that help to soothe irritation, combat acne problems and prevent new breakouts.
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