Description

Hydroxypivalyl Hydroxypivalate is a high-purity specialty diester derived from hydroxypivalic acid, valued for its role as a versatile chemical intermediate and monomer. Its bifunctional structure, containing both hydroxyl and ester groups, makes it a critical building block for synthesizing advanced polymers and fine chemicals. This compound is essential for manufacturers in the coatings, adhesives, and specialty plastics industries seeking to enhance product performance and durability.

Application

• Polymer Synthesis: Key monomer for producing high-performance polyesters and polyurethanes with improved weatherability and mechanical strength.
• Coating Resins: Used in the formulation of alkyd resins and other coating binders to achieve excellent gloss, flexibility, and chemical resistance.
• Adhesive & Sealant Formulations: Serves as a reactive diluent and modifier to enhance adhesion properties and reduce viscosity in advanced adhesive systems.
• Plasticizer Intermediate: Acts as a precursor for the synthesis of specialized, low-volatility plasticizers for PVC and other polymers.
• Lubricant & Grease Additives: Employed in the production of synthetic esters that serve as base stocks or performance additives in industrial lubricants.
• Pharmaceutical & Cosmetic Intermediates: Utilized in the synthesis of certain active pharmaceutical ingredients (APIs) and emollients for personal care products.

Basic Information

Product Name	Hydroxypivalyl Hydroxypivalate
CAS No.	91381-58-7
Molecular Formula	C12H22O6
Molecular Weight	262.30 g/mol
Synonyms	Bis(hydroxypivalic acid) ester; Dihydroxypivalic Acid Dimer; 3-Hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate; Hydroxypivalic Acid Dimer; HPHP; Neopentyl Glycol Hydroxypivalate (common industry name); 2,2-Dimethyl-3-hydroxypropyl 2,2-dimethyl-3-hydroxypropanoate
EINECS	Contact for details

Quality Control

Our Hydroxypivalyl Hydroxypivalate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against stringent internal specifications using advanced techniques like GC and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The product may be hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Hydroxyl Value	Contact for details
Specific Gravity (20°C)	~1.10
Refractive Index (20°C)	~1.460

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