Sodium Methyl Paraben (SMP) is a widely used preservative in personal care and pharmaceutical products.
Chemical Properties:
1. Chemical name: Sodium 4-hydroxybenzoate
2. Molecular formula: C8H7NaO3
3. Molecular weight: 174.13 g/mol
4. Appearance: White or off-white powder
5. Solubility: Highly soluble in water
Pharmacopeial Specifications:
1. British Pharmacopoeia (BP)
2. United States Pharmacopeia (USP)
3. European Pharmacopoeia (Ph. Eur.)
Uses:
1. Preservative in cosmetics and personal care products
2. Pharmaceutical applications (tablets, creams, ointments)
3. Food preservation (E219)
Benefits:
1. Effective antimicrobial agent
2. Broad-spectrum activity (bacteria, yeast, mold)
3. Stability over wide pH range
4. Compatibility with various formulations
