Ensure the raw materials comply with international standards (EU REACH, FDA, or ISO certifications).
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CAS: 99-76-3
Molecular Formula: C8H8O3
Appearance: White powder
Solubility: It is readily soluble in alcohols, ethers, and acetone, and sparingly soluble in water.
Mechanism of Action
Effectively inhibits the growth of bacteria, molds, and yeasts by disrupting microbial cell membranes, inhibiting protein synthesis, and interfering with energy metabolism, thereby extending product shelf life.
Application Scenarios
Cosmetics: Lotions, creams, shampoos, body washes, lipsticks, etc. (Gentle on skin at low concentrations but may trigger allergic reactions in sensitive skin types).
Food: Baked goods (bread, cakes), beverages (carbonated drinks, fruit juices), condiments (jams, salad dressings), etc. (China's National Food Safety Standard stipulates a maximum usage limit of 0.5 g/kg).
Pharmaceuticals: Injections, oral solutions, topical ointments, eye drops, etc. (Used as an antimicrobial preservative in pharmaceuticals, as well as in organic synthesis and medical equipment preservation).
Item |
Specification |
Appearance |
White powder |
Assay |
98.0%～102.0% |
Appearance of solution |
Passed |
Residue |
≤0.1% |
Acid (by 0.1 MNaOH solution) |
≤0.1 ML |
M.B |
125～128℃ |
Related Substances |
Passed |
Heavy metals |
≤ 10PPM |
Limit of Acid p-hidroxibenzoico |
≤0.1% |
Organic volatile impurities |
≤0.05% |
Total impurities |
less than 0.1% |
Conclusion |
Meet the standard of USP44 |
