Neopentyl Glycol (NPG)

Branched Diol for Polyester Resins, Powder Coatings and Polyurethane Systems

CAS 126-30-7

Neopentyl Glycol is a branched diol used in polyester resins, powder coatings, polyurethane systems, plasticizers, and specialty chemical synthesis.

Why Neopentyl Glycol

  • Used in powder coatings and polyester resin applications
  • Suitable building block for polyurethane and specialty chemical synthesis
  • Branched diol structure supports weather-resistant polyester and coating systems
  • High melting-point crystalline form is suited to solid-material processing
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Neopentyl Glycol (NPG), Polyols & Intermediates (CAS 126-30-7)

Technical Data

Chemical Properties

Molecular Formula C5H12O2
Molecular Weight 104.15 g/mol
CAS Number 126-30-7
Appearance White crystals, flakes, or crystalline powder
Melting Point 127-130°C
Neopentyl Glycol (NPG) molecular structure
Molecular structure

Typical chemical properties for product identification and formulation planning.

Functions

  • Diol
  • Polyol

Applications

Typical Applications

Polyesters & Polyurethanes

Used as a diol intermediate in saturated polyester resins and polyurethane systems.

Coatings, Resins & Paints

Used in powder coatings, alkyd resins, plasticizers, and specialty resin systems.

Product Family

Related in Polyols & Intermediates

Trimethylolpropane (TMP) Tri-functional polyol for polyester, polyurethane, resin, adhesive, and specialty polymer applications. Pentaerythritol Tetra-functional polyol for alkyd resins, rosin esters, ester intermediates, and intumescent coatings. 1,5-Pentanediol Linear diol intermediate for polyester, polyurethane, resin, adhesive, and specialty polymer synthesis.

Technical Documents

Documentation

Document request status

TDS Technical Data Sheet On request
SDS Safety Data Sheet On request
COA Certificate of Analysis On request

Logistics

Packaging & Storage

Packaging options

  • 25 kg bag
  • 500 kg or 1000 kg bulk bag

Storage

Keep containers tightly closed in a cool, dry, dark, well-ventilated place. Protect from moisture and keep away from oxidizing agents, strong acids, and strong alkalis.

FAQ

Frequently asked questions

What form does NPG take?

NPG is supplied as white crystals, flakes, or crystalline powder.

What is NPG commonly used for?

NPG is commonly used in saturated polyester resins, powder coatings, unsaturated polyester resins, polyurethane systems, plasticizers, stabilizers, and industrial intermediates.

How should NPG be stored?

Store in a cool, dry, dark, well-ventilated place and protect the hygroscopic material from moisture.

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