Description

1,3-Dihydroxypropan-2-Yl 4-Hydroxybenzoate is a high-purity chemical intermediate, specifically a diester derivative of propylene glycol and 4-hydroxybenzoic acid. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, offering a bifunctional structure for further chemical modifications. It is primarily sought by manufacturers in the pharmaceutical, cosmetic, and specialty chemical industries for applications in polymer synthesis, prodrug development, and as a functional additive.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging its ester and hydroxyl functionalities.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polyesters and biodegradable polymers.
• Cosmetic & Personal Care: Acts as a precursor for UV absorbers, antioxidants, or emollient esters in formulations like sunscreens and creams.
• Liquid Crystal & Electronic Materials: Employed as a core component in the synthesis of advanced materials for display technologies.
• Organic Synthesis: Functions as a protected or activated form of 4-hydroxybenzoic acid for further esterification or etherification reactions.
• Research & Development: Utilized in academic and industrial R&D for exploring new chemical entities and material properties.

Basic Information

Product Name	1,3-Dihydroxypropan-2-Yl 4-Hydroxybenzoate
CAS No.	263552-76-7
Molecular Formula	C11H14O6
Molecular Weight	242.23 g/mol
Synonyms	Propylene Glycol Dibenzoate (4-hydroxy); 1,3-Bis(4-hydroxybenzoyloxy)-2-propanol; 2-Propanol, 1,3-bis(4-hydroxybenzoyloxy)-; 4-Hydroxybenzoic Acid 1,3-Dihydroxy-2-propyl Ester; Bis(4-hydroxybenzoyl) Propylene Glycol Ester; PGDB (4-OH); Dibenzoate ester of propylene glycol (para-hydroxy)
EINECS	Contact for details

Quality Control

Our 1,3-Dihydroxypropan-2-Yl 4-Hydroxybenzoate is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay, related substances, and residual solvents are available upon request. We can support development projects requiring compliance with ICH guidelines or other specific regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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