Description

p-Hydroxybenzoic Acid Ethyl Ester Sodium Salt is the sodium salt of ethylparaben, a widely used synthetic preservative. This compound is valued for its effective antimicrobial properties against a broad spectrum of molds, yeasts, and some bacteria. It is a critical ingredient for manufacturers in the pharmaceutical, personal care, and food industries seeking to ensure product safety and extend shelf life.

Application

• Pharmaceutical Preservative: Used in liquid formulations, syrups, ointments, and topical creams to prevent microbial contamination.
• Cosmetics & Personal Care: A key preservative in lotions, shampoos, creams, and makeup to maintain product integrity.
• Food & Beverage Additive: Employed as a food preservative (E215) in certain processed foods, sauces, and beverages.
• Industrial Applications: Functions as a preservative in adhesives, glues, and other aqueous industrial products.
• Animal Feed Additive: Used to preserve the quality and prevent spoilage in certain feed products.

Basic Information

Product Name	p-Hydroxybenzoic Acid Ethyl Ester Sodium Salt
CAS No.	35285-68-8
Molecular Formula	C9H9NaO3
Molecular Weight	188.15 g/mol
Synonyms	Sodium Ethylparaben; Ethylparaben Sodium Salt; Ethyl 4-Hydroxybenzoate Sodium Salt; Sodium Ethyl p-Hydroxybenzoate; E215; Nipagin A Sodium; Solbrol A Sodium; Tegosept E Na
EINECS	252-487-6

Quality Control

Our p-Hydroxybenzoic Acid Ethyl Ester Sodium Salt is manufactured under strict quality management systems. It is tested to meet relevant specifications for pharmaceutical (USP/EP), food (FCC), and cosmetic grades. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every batch to ensure traceability 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 material 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 dried basis)
pH (5% Solution)	9.5 - 10.5
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Meets required limits

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