Description

4-Hydroxybenzoic Acid n-Nonyl Ester is a synthetic organic compound belonging to the paraben family, specifically a C9 alkyl chain derivative. This ester is valued for its effective antimicrobial and preservative properties, which help prevent spoilage and extend the shelf life of various formulations. It is a critical ingredient for manufacturers in the personal care, cosmetics, and pharmaceutical industries seeking reliable, broad-spectrum preservation.

Application

• Cosmetic & Personal Care Preservative: Used in creams, lotions, shampoos, and deodorants to inhibit microbial growth.
• Pharmaceutical Formulations: Acts as a preservative in topical ointments, creams, and liquid preparations.
• Industrial Product Preservation: Incorporated into adhesives, paints, and metalworking fluids to prevent bacterial and fungal degradation.
• Food Contact Material Additive: Used in packaging materials and coatings to provide antimicrobial surface protection.
• Plasticizer & Stabilizer Intermediate: Serves as a starting material or additive in polymer and resin synthesis.

Basic Information

Product Name	4-Hydroxybenzoic Acid n-Nonyl Ester
CAS No.	38713-56-3
Molecular Formula	C₁₆H₂₄O₃
Molecular Weight	264.36 g/mol
Synonyms	n-Nonyl 4-hydroxybenzoate; n-Nonyl paraben; Nonyl p-hydroxybenzoate; p-Hydroxybenzoic acid nonyl ester; Paraben C9; 4-Hydroxybenzoic acid nonyl ester; Benzoic acid, 4-hydroxy-, nonyl ester; Propylparaben, Heptyl Homolog
EINECS	254-093-6

Quality Control

Our 4-Hydroxybenzoic Acid n-Nonyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards and consistent performance for its intended applications. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for every shipment upon request.

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 and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
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.