Description

Decylparaben (Decyl 4-Hydroxybenzoate) is a long-chain alkyl ester of p-hydroxybenzoic acid, functioning as a highly effective and broad-spectrum preservative. Its primary value lies in its superior antimicrobial efficacy at low concentrations, particularly against fungi and yeasts, while offering enhanced oil solubility compared to shorter-chain parabens. This chemical is essential for manufacturers in the personal care, cosmetics, and pharmaceutical industries seeking to extend product shelf life and ensure safety. Its stability and compatibility with a wide range of formulations make it a critical component for quality preservation.

Application

• Cosmetic & Personal Care Preservative: Widely used in creams, lotions, sunscreens, and makeup products to prevent microbial spoilage.
• Pharmaceutical Formulations: Employed as a preservative in topical ointments, creams, and certain liquid preparations.
• Industrial Product Protection: Acts as a biocide in adhesives, sealants, and other water-based industrial products.
• Food Contact Material Preservative: Used in packaging materials and coatings to inhibit microbial growth on surfaces.
• Hair Care Products: Incorporated into shampoos, conditioners, and styling products for preservation.
• Skin Care Formulations: Effective in anti-aging serums, moisturizers, and cleansers requiring oil-soluble preservation.

Basic Information

Product Name	Decylparaben (Decyl 4-Hydroxybenzoate)
CAS No.	69679-30-7
Molecular Formula	C17H26O3
Molecular Weight	278.39 g/mol
Synonyms	Decyl 4-hydroxybenzoate; n-Decyl p-hydroxybenzoate; 4-Hydroxybenzoic acid decyl ester; p-Hydroxybenzoic acid decyl ester; Benzoic acid, 4-hydroxy-, decyl ester; Paraben D; Decyl parahydroxybenzoate; Preservative D
EINECS	274-093-1

Quality Control

Our Decylparaben is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets stringent specifications for purity and performance. Certificates of Analysis (COA) documenting all test results are provided and available upon request to support your regulatory and quality assurance needs.

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 heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0%
Melting Point	48 - 52 °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.