Methylparaben

Product Description

Methylparaben is a globally recognized, high-purity preservative widely regarded as the gold standard for antimicrobial protection in the cosmetic and personal care industry. Manufactured in our state-of-the-art facility, it provides exceptional defense against a broad spectrum of bacteria, particularly Gram-positive strains. Its long history of safety, chemical stability, and compatibility with a vast range of cosmetic ingredients makes it a commercially indispensable asset. Whether used in luxury skincare or high-volume personal care products, Methylparaben ensures product integrity and consumer safety by preventing microbial spoilage over the entire shelf life.

Product Specification

• INCI Name: Methylparaben
• CAS No.: 99-76-3
• Chemical Name: Methyl 4-hydroxybenzoate
• Product Type: Preservative / Antimicrobial
• Appearance: White crystalline powder
• Purity (Assay): ≥ 99.0%
• Melting Point: 125.0°C – 128.0°C
• Solubility: Soluble in alcohol and propylene glycol; slightly soluble in water.

Key Benefits & Applications

• Proven Antimicrobial Efficacy: Highly effective at inhibiting the growth of bacteria, ensuring formulations remain safe from contamination during use.
• Exceptional Stability: Remains chemically stable and effective across wide temperature ranges and various processing conditions.
• High Compatibility: Non-reactive with almost all cosmetic actives, surfactants, and emulsifiers, preserving the intended texture and color of the formula.
• Global Regulatory Acceptance: One of the most thoroughly researched and widely approved preservatives by health authorities worldwide (FDA, EU, NMPA).
• Applications: Found in nearly every category of beauty products, including facial moisturizers, foundations, shampoos, sunscreens, and anti-aging serums.

Formulation Guidelines

• Suggested Dosage: 0.1% – 0.3% (In most regions, the maximum limit is 0.4% used alone or 0.8% in mixtures).
• pH Stability: Demonstrates peak performance within a pH range of 3.0 – 8.0.
• Processing: For best results, incorporate into the water phase at elevated temperatures (approx. 70°C – 80°C) or pre-dissolve in a glycol like Propylene Glycol before addition.
• Oil/Water Partition: Due to its low partition coefficient, it primarily protects the aqueous phase where most microbial growth occurs.
• Synergy: Combine with Propylparaben to create a broad-spectrum preservation system that covers both bacterial and fungal (mold/yeast) contamination in complex emulsions.