Description

3-Methylbutyl 4-Hydroxybenzoate is a synthetic ester derivative of 4-hydroxybenzoic acid, widely recognized for its effective preservative and antimicrobial properties. This compound is valued for its ability to inhibit the growth of molds, yeasts, and bacteria, thereby extending the shelf life of various formulations. It serves as a critical functional ingredient for manufacturers in the cosmetics, personal care, and pharmaceutical industries, where product stability and safety are paramount.

Application

• Cosmetic & Personal Care Preservative: Used in creams, lotions, shampoos, and sunscreens to prevent microbial spoilage.
• Pharmaceutical Formulations: Acts as an antimicrobial agent in topical ointments, creams, and liquid preparations.
• Food Contact Material Preservative: Employed in coatings and adhesives for packaging to protect against microbial degradation.
• Industrial Product Preservation: Incorporated into adhesives, paints, and functional fluids to enhance in-can shelf life.
• Fragrance & Flavor Stabilizer: Helps maintain the integrity of fragrance oils and flavor compounds by preventing microbial growth.

Basic Information

Product Name	3-Methylbutyl 4-Hydroxybenzoate
CAS No.	5434-75-3
Molecular Formula	C12H16O3
Molecular Weight	208.25 g/mol
Synonyms	Isoamyl 4-Hydroxybenzoate; Isoamyl Paraben; 4-Hydroxybenzoic Acid 3-Methylbutyl Ester; Butyl 4-hydroxybenzoate, 3-methyl-; Preservative E-217; 3-Methylbutyl p-hydroxybenzoate; Isoamyl p-Hydroxybenzoate
EINECS	226-594-0

Quality Control

Our 3-Methylbutyl 4-Hydroxybenzoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for cosmetic, personal care, and pharmaceutical applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and compliance with relevant industry guidelines.

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). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Melting Point	74 - 78 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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