Description

2,2-Dimethylpropane-1,3-Diyl Bis(3-Hydroxypivalate) is a high-purity, specialty diol ester derived from hydroxypivalic acid, serving as a critical building block in advanced polymer synthesis. Its bifunctional structure, featuring two primary hydroxyl groups, provides excellent reactivity and serves as a versatile chain extender and crosslinking agent. This compound is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for producers of high-performance polyurethanes and polyester resins seeking enhanced weatherability and hydrolysis resistance.

Application

• Polyurethane Manufacturing: Acts as a chain extender and crosslinker in the production of high-performance PU elastomers, coatings, and adhesives, improving mechanical properties and chemical resistance.
• Polyester Resins: Used as a diol component in synthesizing weatherable and hydrolysis-resistant saturated polyester resins for industrial and automotive coatings.
• Radiation-Curable Systems: Serves as a reactive diluent and oligomer core in UV/EB-curable resins for inks, coatings, and 3D printing materials.
• Plasticizers and Stabilizers: Functions as an intermediate in the synthesis of specialized plasticizers and polymer stabilizers for PVC and other engineering plastics.
• Lubricant & Fuel Additives: Employed as a precursor for ester-based synthetic lubricants and performance-enhancing fuel additives.
• Pharmaceutical & Cosmetic Intermediates: Utilized in the synthesis of certain drug delivery agents and emollients in personal care formulations.

Basic Information

Product Name	2,2-Dimethylpropane-1,3-Diyl Bis(3-Hydroxypivalate)
CAS No.	60251-13-0
Molecular Formula	C16H30O6
Molecular Weight	318.41 g/mol
Synonyms	Neopentyl Glycol Bis(3-Hydroxypivalate); 1,3-Bis(3-hydroxy-2,2-dimethylpropoxy)-2,2-dimethylpropane; 3-Hydroxy-2,2-dimethylpropanoic Acid 1,1'-(2,2-Dimethyl-1,3-propanediyl) Ester; Bis(3-hydroxy-2,2-dimethylpropyl) 3-Hydroxy-2,2-dimethylpropionate; NPG Bis(3-Hydroxypivalate); Diol Ester of Hydroxypivalic Acid; HPHP Ester
EINECS	Contact for details

Quality Control

Our 2,2-Dimethylpropane-1,3-Diyl Bis(3-Hydroxypivalate) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profile analysis, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting purity, color, acid value, hydroxyl value, and moisture content are provided with each shipment and are available upon request.

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. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0 %
Hydroxyl Value	340 - 360 mg KOH/g
Acid Value	≤ 1.0 mg KOH/g
Color (APHA)	≤ 50
Water Content (KF)	≤ 0.2 %

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