Methyl Paraben is a widely used antimicrobial preservative and antifungal agent, belonging to the family of paraben esters, commonly found in cosmetics, food products, and pharmaceutical formulations. CAS Number 99-76-6
| Appearance | Colorless crystals or white crystalline powder |
| Molecular Weight: 152.15 g/mol | 152.15 g/mol |
| Safety Information | Generally Recognized as Safe (GRAS) at low concentrations, though it is classified as a mild Irritant (GHS07) for skin and eyes; handle with care to avoid dust inhalation and direct contact with mucous membranes. |
| Solubility | Freely soluble in Ethanol and Ether; slightly soluble in Water (approx. 0.25% at 25°C) |
| Purity | ≥ 99.0% (USP/BP/EP Grade) |
| Synonyms | Methyl 4-hydroxybenzoate, Nippagin, Methyl p-hydroxybenzoate |