Methylparaben
CAS Number: 99-76-3
Methylparaben is the shortest-chain alkyl ester of para-hydroxybenzoic acid and one of the most widely used cosmetic preservatives globally. It provides effective antimicrobial protection against a broad spectrum of bacteria and fungi at low concentrations. Methylparaben is often combined with other parabens or preservatives to achieve comprehensive preservation coverage in personal care products.
Technical Specifications
| appearance | White crystalline powder |
| purity (%) | ≥99 |
| pH (1% solution) | 5.5–7.5 |
| melting point (°C) | 125–128 |
Applications
- Skin care creams, lotions, and serums
- Shampoos and conditioners
- Makeup and color cosmetics
- Personal care wipes and cleansers
- Pharmaceutical topical products
Key Features
- Broad-spectrum antimicrobial activity
- Effective at low use concentrations (0.1–0.3%)
- Long history of safety in cosmetics
- Cost-effective and easy to formulate