Description

Propyl-3-Hydroxybenzoate is a synthetic organic ester derived from 3-hydroxybenzoic acid and propanol. This compound serves as a versatile intermediate and functional additive, valued for its phenolic hydroxyl group and ester functionality. It is primarily utilized in the chemical synthesis, pharmaceutical, and personal care industries for applications requiring controlled release or specific chemical modifications.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, where its ester group can be cleaved for targeted drug delivery.
• Polymer & Resin Modifier: Acts as a building block or cross-linking agent in the production of specialty polymers, coatings, and adhesives.
• Preservative & Stabilizer: Functions as an auxiliary preservative or antioxidant in cosmetic formulations, personal care products, and certain industrial fluids.
• Chemical Synthesis Reagent: Serves as a key intermediate for further organic synthesis, including the production of more complex esters, ethers, and fine chemicals.
• UV Absorber / Light Stabilizer: Its phenolic structure contributes to light-absorbing properties, making it suitable for use in materials requiring protection from UV degradation.
• Flavor & Fragrance Ingredient: Employed as a synthetic precursor or a component in the manufacture of certain aroma chemicals.

Basic Information

Product Name	Propyl-3-Hydroxybenzoate
CAS No.	38567-05-4
Molecular Formula	C10H12O3
Molecular Weight	180.20 g/mol
Synonyms	3-Hydroxybenzoic Acid Propyl Ester; Propyl 3-Hydroxybenzoate; Propyl m-Hydroxybenzoate; m-Hydroxybenzoic Acid Propyl Ester; Benzoic acid, 3-hydroxy-, propyl ester; Propylparaben (Note: This is a structural isomer of the more common preservative); NSC 163990
EINECS	Contact for details

Quality Control

Our Propyl-3-Hydroxybenzoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters such as assay, related substances, and physical characteristics. Specifications can be aligned with customer requirements for pharmaceutical, cosmetic, or industrial applications.

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, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Specified range
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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