Sodium methylparaben is the sodium salt of methylparaben, a widely used preservative in food, pharmaceutical, and cosmetic applications. With the CAS number 5026-62-0, it is chemically known as sodium methyl hydroxybenzoate or p-hydroxybenzoic acid methyl ester sodium salt. The compound is valued for its effective antimicrobial properties at low concentrations.
For food and pharmaceutical manufacturers that operate under kosher production standards, sodium methylparaben is available with kosher certification. Its synthetic production pathway and mineral-based raw materials make it straightforward to certify under rabbinical supervision.
Kosher Status of Sodium Methylparaben
Sodium methylparaben is produced synthetically from p-hydroxybenzoic acid and methanol, followed by conversion to the sodium salt. These starting materials are petroleum-derived or synthetic, containing no animal or dairy components. This makes the ingredient inherently pareve and compatible with kosher dietary law.
Kosher certification for sodium methylparaben verifies that the manufacturing facility, equipment, and handling procedures meet kashrut standards. Certified suppliers maintain documentation that confirms the product was produced without contact with non-kosher substances throughout the entire supply chain.
Applications in Food and Pharmaceuticals
In the food industry, sodium methylparaben functions as a preservative that inhibits mold and yeast growth. It is particularly effective in baked goods, beverages, syrups, and other products with moderate moisture content. Its water solubility gives it an advantage over the free acid form of methylparaben, which has limited solubility in aqueous systems.
In pharmaceutical formulations, sodium methylparaben NF grade serves as an antimicrobial preservative in oral liquids, injectable solutions, and topical preparations.
Safety and Regulatory Compliance
The European Union’s Scientific Committee on Consumer Safety (SCCS) evaluated methylparaben and concluded that concentrations up to 0.4% (expressed as acid) are safe for use in cosmetic products. In food applications, usage levels are regulated by national food safety authorities and are typically much lower than cosmetic limits.
Sodium methylparaben NF grade products undergo rigorous testing, including assay verification (95.0% to 102.0% on an anhydrous basis), completeness of solution testing, identification tests, and elemental impurity screening. Each lot comes with a certificate of analysis, safety data sheet, and cGMP certification from the manufacturer.
Specifications and Quality Standards
Pharmaceutical-grade sodium methylparaben meets NF (National Formulary) monograph requirements. Key quality parameters include a clear solution when dissolved, proper identification through spectrum matching against reference standards, and controlled elemental impurity levels. The product is typically supplied as a white powder in quantities ranging from laboratory-scale to 25 kg bulk cartons.
Kosher Sodium Methylparaben Supplier
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