Benzyl Alcohol (Pharmaceutical Grade Preservative)
CAS Number: 100-51-6
Pharmaceutical grade Benzyl Alcohol is an aromatic alcohol used as an antimicrobial preservative and solvent in injectable, topical, and oral formulations. At concentrations of 0.9–2.0%, it is effective against a broad spectrum of microorganisms. It also provides mild local anesthetic properties that reduce injection site pain in parenteral products.
Technical Specifications
| assay (%) | ≥99.0 |
| appearance | Clear, colorless liquid with faint aromatic odor |
| water content (%) | ≤0.1 |
| heavy metals (ppm) | ≤10 |
| specific gravity (20°C) | 1.042–1.047 |
| acidity (as benzoic acid, %) | ≤0.05 |
Applications
- Injectable multi-dose vial preservative
- Topical antiseptic and preservative
- Solvent for poorly water-soluble APIs
- Oral liquid preservative
- Cosmetic preservative
Key Features
- Broad-spectrum antimicrobial preservative
- Local anesthetic effect for injectables
- Effective at low concentrations (0.9–2%)
- USP/NF, EP compliant
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CAS Number
100-51-6
Category
Pharmaceutical ExcipientsAvailability
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