Description

Butylparaben Sodium Salt is the sodium salt derivative of butylparaben, a widely used synthetic preservative. This water-soluble form offers enhanced compatibility and efficacy in aqueous formulations, providing reliable antimicrobial protection against a broad spectrum of fungi and bacteria. It is a critical ingredient for manufacturers in the personal care, pharmaceutical, and cosmetic industries seeking to extend product shelf life while maintaining safety and stability.

Application

• Cosmetic & Personal Care Preservative: Primarily used in creams, lotions, shampoos, and other water-based formulations to prevent microbial spoilage.
• Pharmaceutical Excipient: Employed as a preservative in liquid pharmaceuticals, syrups, and topical ointments to ensure sterility.
• Food Contact Material Preservative: Used in packaging materials and coatings to inhibit microbial growth on surfaces.
• Industrial Fluid Preservation: Applied in water-based cutting fluids, adhesives, and latex emulsions to prevent bacterial and fungal degradation.

Basic Information

Product Name	Butylparaben Sodium Salt
CAS No.	36457-20-2
Molecular Formula	C11H13NaO3
Molecular Weight	216.21 g/mol
Synonyms	Sodium Butylparaben; Sodium Butyl p-Hydroxybenzoate; Butylparaben Sodium; Butyl 4-Hydroxybenzoate Sodium Salt; Butyl Paraben Sodium Salt; Butoben; Butyl Parahydroxybenzoate Sodium Salt; E219
EINECS	253-049-7

Quality Control

Our Butylparaben Sodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for cosmetic and pharmaceutical applications. A comprehensive Certificate of Analysis (COA) detailing assay, identification, and impurity profiles is provided with every shipment to guarantee consistency and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in its original packaging to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
pH (5% aqueous solution)	9.0 - 10.5
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.