Salicylic Acid (CAS 69-72-7) is a premium white crystalline powder belonging to the group of oil-soluble organic acids. Naturally sourced from willow bark and wintergreen leaves, it is globally celebrated for its powerful anti-inflammatory, antimicrobial, and keratolytic capabilities. Unlike water-soluble Alpha Hydroxy Acids (AHAs), Salicylic Acid is oil-soluble, allowing it to easily penetrate deep into sebum-rich pores to dissolve cellular debris and clear blockages. In the pharmaceutical industry, it serves as a critical intermediate for synthesizing analgesic drugs like Aspirin. In the personal care and cosmetics sectors, it operates as the golden-standard active ingredient for anti-acne, oil control, chemical exfoliation, and blackhead removal formulations.
Technical Specifications & Physical Properties
| Analysis Item | Specification | Typical Result | Test Method |
| Appearance | White crystalline powder | Conforms | Visual |
| Assay (%) | ≥ 99.5% | 99.7% | HPLC / Titration |
| Melting Point (℃) | 158.0 ℃ - 161.0 ℃ | 159.2 ℃ | GB/T 617 |
| Loss on Drying (%) | ≤ 0.5% | 0.22% | USP / EP Standard |
| Residue on Ignition (%) | ≤ 0.1% | 0.04% | USP / EP Standard |
| Heavy Metals (ppm) | ≤ 10 ppm | Conforms | Atomic Absorption
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Core Applications
Cosmetics & Personal Care: Extensively formulated into anti-acne serums, clarifying toners, exfoliating lotions, and anti-dandruff shampoos to refine skin texture and eliminate acne.
Pharmaceutical Synthesis: Acts as a vital precursor and intermediate for manufacturing essential pharmaceutical compounds including Aspirin, Sodium Salicylate, and Methyl Salicylate.
Flavors & Synthetic Dyes: Utilized to synthesize floral ester fragrances (e.g., Isoamyl Salicylate) and manufactured into a variety of direct, azo, and mordant dyes.
Industrial Additives: Employed as an efficient anti-scorching agent in rubber vulcanization and processed into industrial preservatives or anti-rust inhibitors.
Packing: Supplied in 25 KGS net weight multi-layer kraft paper bags, woven bags, or fiber drums, tightly lined with double PE plastic bags.
Storage: Store in a cool, dark, dry, and optimally ventilated chemical storage facility. Keep far away from incompatible materials, open flames, intense heat, and powerful oxidizers. Keep containers completely sealed to avoid ambient moisture absorption.
关键字： Salicylic Acid;水杨酸;69-72-7;2-Hydroxybenzoic aci;Anti-acne;
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