Description

Propyl 4-Hydroxy-3-Methoxybenzoate is a synthetic ester derivative of vanillic acid, valued for its role as a versatile chemical intermediate and functional additive. This compound is essential for industries requiring reliable, high-purity building blocks for synthesis or effective stabilizers and preservatives. It is particularly sought after by manufacturers in the fragrance, flavor, pharmaceutical, and specialty chemical sectors for its consistent performance and quality.

Application

• Fragrance & Flavor Ingredient: Used as a synthetic intermediate or fixative in the creation of complex aromatic compounds and flavorings.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• UV Stabilizer & Antioxidant: Functions as a light stabilizer and antioxidant in polymer formulations and cosmetic products to prevent degradation.
• Preservative Agent: Employed in cosmetic and personal care formulations for its antimicrobial and stabilizing properties.
• Organic Synthesis: Acts as a protected or derivatized form of vanillic acid for various organic transformations in research and development.
• Food Additive Precursor: Utilized in the production of food-grade preservatives and flavor enhancers.

Basic Information

Product Name	Propyl 4-Hydroxy-3-Methoxybenzoate
CAS No.	6273-95-6
Molecular Formula	C11H14O4
Molecular Weight	210.23 g/mol
Synonyms	Propyl Vanillate; Vanillic Acid Propyl Ester; 4-Hydroxy-3-methoxybenzoic Acid Propyl Ester; n-Propyl Vanillate; Propyl 4-Hydroxy-3-methoxybenzoate; Benzoic acid, 4-hydroxy-3-methoxy-, propyl ester; Propyl 3-methoxy-4-hydroxybenzoate
EINECS	228-456-0

Quality Control

Our Propyl 4-Hydroxy-3-Methoxybenzoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for industrial and fine chemical applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee 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 product is easily oxidized; for long-term storage, consider an inert atmosphere. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	75°C - 78°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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