Alcohol, High-Purity Solvents

Neopentyl Glycol (NPG)

Neopentyl Glycol (NPG) (126-30-7)

This Neopentyl Glycol (NPG) product, CAS 126-30-7, is a unique diol monomer designed for diverse applications. It offers significantly enhanced resistance to hydrolysis, weathering, abrasion, chemicals, detergents, and stains. Its compact, symmetrical structure ensures high thermal stability, low melt viscosity, and improved glass transition temperature, melting point, color, solubility, and resin compatibility. Presented as a white flake/crystal solid with >=99.5% purity, it is widely utilized in polyester resins for coatings, fiberglass reinforced plastics, gel coats, powder and coil coatings, UV cure systems, and polyurethanes.

Attributes

Key Features and Benefits

Provides excellent hydrolytic stability for enhanced product longevity.
Improves weatherability, UV resistance, and prevents yellowing in end products.
Enhances chemical resistance for superior durability against various substances.
Contributes to high impact strength and abrasion resistance, boosting material toughness.
Offers exceptional stain resistance, maintaining surface appearance.
Boasts broad compatibility across diverse applications, from coatings to lubricants.
Features good solubility, simplifying integration into various formulations.
Confers high thermal stability to end-use articles.

Specifications

Technical Highlights

Purity (GC): min. 99.0 wt%
Hydroxyl Number (OH #): 1050-1070 mg KOH/g
Water Content (KF): max. 0.1 wt%
Color (APHA): max. 10
Acid Number: max. 0.05 mg KOH/g
Di-NPG: max. 0.3 wt%
Total Impurities (GC): max. 1.0 wt%
Melting Point: 124-128 °C
Ash Content: max. 10 ppm
Appearance: White flakes

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Used as a key monomer in various polyester resins, imparting enhanced durability, flexibility, and hydrolytic stability.
Enhances powder and coil coatings by providing excellent hardness, flexibility, and resistance to corrosion and weathering.
Improves the strength, stiffness, and chemical resistance of Fiberglass Reinforced Plastics (FRP) for diverse industrial applications.
Contributes to superior gloss retention, UV resistance, and water resistance in gel coats for molded products.
Synthesizes polyol esters for synthetic lubricants, offering superior thermal and oxidative stability.
Boosts durability and chemical resistance in alkyd resins for paints, and improves mechanical properties in polyurethane elastomers.