Description

4-Hydroxybenzoic Acid 2-Hydroxypropyl Ester is a versatile chemical intermediate and functional additive derived from 4-hydroxybenzoic acid. This compound matters for its role as a key building block in the synthesis of more complex esters and polymers, offering a balance of reactivity and stability. It is needed by manufacturers in the pharmaceutical, cosmetic, and specialty chemical industries for applications ranging from prodrug development to the formulation of UV-absorbing materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of prodrugs and active pharmaceutical ingredients (APIs) where controlled release or enhanced solubility is required.
• Cosmetic & Personal Care Additive: Functions as a precursor for UV filters and stabilizers in sunscreens, lotions, and other skincare formulations.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent in the production of specialty polyesters and coatings to alter physical properties.
• Chemical Synthesis Building Block: A valuable intermediate for organic synthesis, particularly in creating more complex benzoate esters for various industrial applications.
• Preservative Precursor: Can be utilized in the development of paraben-based or alternative preservative systems for consumer products.

Basic Information

Product Name	4-Hydroxybenzoic Acid 2-Hydroxypropyl Ester
CAS No.	77846-90-3
Molecular Formula	C10H12O4
Molecular Weight	196.20 g/mol
Synonyms	2-Hydroxypropyl 4-hydroxybenzoate; Propylene Glycol Monoparaben; 4-Hydroxybenzoic Acid Propylene Glycol Ester; Benzoic acid, 4-hydroxy-, 2-hydroxypropyl ester; PHB 2-Hydroxypropyl Ester; Paraben Propylene Glycol Ester; 1,2-Propanediol, mono(4-hydroxybenzoate); EINECS 278-485-1
EINECS	278-485-1

Quality Control

Our 4-Hydroxybenzoic Acid 2-Hydroxypropyl Ester is produced 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) upon request, detailing key parameters such as assay, related substances, and residual solvents. Quality standards can be tailored to meet specific customer requirements, including those for pharmaceutical or cosmetic 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 heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Contact for details
Residual Solvents (GC)	Meets ICH guidelines

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