Description

Neopentyl Glycol Mono(Hydroxypivalate) is a versatile specialty chemical intermediate. Its unique structure, featuring both a primary hydroxyl group and a hydroxypivalate ester group, provides valuable properties for polymer synthesis and modification. This compound is essential for manufacturers in the coatings, resins, and specialty plasticizers industries seeking to enhance product performance, such as weather resistance and flexibility.

Application

• Synthesis of High-Performance Polyester Resins for automotive and industrial coatings, offering excellent hydrolytic stability and weatherability.
• Production of Saturated Polyester Polyols used in polyurethane (PU) coatings, adhesives, and elastomers.
• Modifier for Alkyd Resins to improve color retention, gloss, and durability in decorative and protective paints.
• Intermediate for Plasticizers, contributing to low volatility and good compatibility in PVC and other polymer systems.
• Raw Material for Radiation-Curable Oligomers in UV-curable inks, coatings, and adhesives.
• Component in Lubricant and Synthetic Oil Formulations to enhance thermal and oxidative stability.

Basic Information

Product Name	Neopentyl Glycol Mono(Hydroxypivalate)
CAS No.	1115-20-4
Molecular Formula	C9H18O4
Molecular Weight	190.24 g/mol
Synonyms	2,2-Dimethyl-3-hydroxypropyl 3-hydroxy-2,2-dimethylpropanoate; 3-Hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropionate; Neopentyl Glycol Hydroxypivalate; NPG Mono(Hydroxypivalate); Hydroxypivalic Acid Neopentyl Glycol Ester; Bis-Hydroxymethyl Dimethyl Butyrolactone (related); NPGHP; 1115-20-4
EINECS	214-233-9

Quality Control

Our Neopentyl Glycol Mono(Hydroxypivalate) is manufactured under a strict quality management system. Each batch is analyzed to ensure it meets precise chemical and physical specifications, including identity, assay, and impurity profiles. Certificates of Analysis (COA) documenting these results are provided with every shipment to guarantee consistency and 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 is hygroscopic; ensure containers are sealed after use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Hydroxyl Value	280 - 310 mg KOH/g
Color (APHA)	≤ 50

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