• Neopentyl Glycol (CAS 126-30-7)
  • Neopentyl Glycol (CAS 126-30-7)
  • Neopentyl Glycol (CAS 126-30-7)

Neopentyl Glycol (CAS 126-30-7)

Neopentyl Glycol (NPG) is supplied as a diol raw material for resin, coating, and polymer-related manufacturing. It is suitable for unsaturated polyester resins, oil-free alkyd resins, polyurethane systems, plasticizers, and selected specialty chemical applications where stable diol functionality is required. The product is typically handled as a hygroscopic white crystalline solid under sealed storage conditions in a cool, dry, and ventilated environment.

  • CAS: 126-30-7
  • Synonyms: NPG, 2,2-Dimethyl-1,3-propanediol, Neopentyl diol, Dimethylolpropane isomer
  • Einecs: 204-781-0
  • Molecular Formula: C₅H₁₂O₂
  • Grade: 90%/99%
  • Package: 25kg/bag or as required
Request a quote
Share:

Product Description

Product Overview

Neopentyl Glycol is provided for industrial use as a chemical raw material and polyol building block. It is more appropriately positioned as a resin and polymer intermediate rather than as a finished end-use formulation ingredient or consumer product.

This product is commonly applied in unsaturated polyester resins, oil-free alkyd resins, polyurethane foams and elastomers, plasticizers, surfactants, insulating materials, printing inks, inhibitor systems, and synthetic lubricant-related applications where diol structure and formulation compatibility are important.

Product Information / Specifications

Product Name Neopentyl Glycol
Common Name NPG
Synonyms Neopentyl alcohol
CAS Number 126-30-7
EINECS Number 204-781-0
Molecular Formula C5H12O2
Available Grade 90% / 99%
Standard Packaging 25 kg/bag or as required
Product Identity Chemical raw material / polyol intermediate

Physical & Chemical Properties

Appearance White crystalline solid
Odor Odorless
Hygroscopicity Hygroscopic
Density 1.06 g/cm³ at 21°C
Melting Point 124–130°C
Boiling Point 210°C
Flash Point 129°C
Autoignition Temperature 399°C
Sublimation Temperature 210°C
Solubility Easily soluble in water, lower alcohols, lower ketones, ethers, and aromatic hydrocarbon compounds

Applications

  • Raw material for unsaturated polyester resin production
  • Used in oil-free alkyd resin and related coating resin systems
  • Suitable for polyurethane foams and elastomer manufacturing
  • Applied in plasticizers, surfactants, insulating materials, printing inks, and inhibitor systems
  • Used in synthetic aviation lubricant oil additive production
  • Can be used in coatings where gloss retention and reduced yellowing are required
  • Also used as a raw material for selected stabilizers and pesticide-related production

Packaging

Standard packaging is commonly supplied in 25 kg bags or according to shipment requirement.

Packaging information may vary by grade, destination, and transport arrangement.

Storage Conditions

  • Store in a cool, dry, and ventilated place.
  • Avoid direct sunlight during storage.
  • Keep packaging sealed to reduce moisture uptake.
  • Recommended storage temperature is 18–25°C under normal conditions.
  • Avoid high temperature and humid storage environments.

Safety Precautions

  • Handle according to standard industrial operating procedures.
  • Avoid contact with oxidants and acids.
  • Prevent packaging and container damage during handling and transport.
  • Use appropriate industrial hygiene control during storage and processing.
  • Refer to the latest SDS before storage, transport, and industrial use.

FAQ

1. What is Neopentyl Glycol mainly used for?
It is mainly used as a chemical raw material for unsaturated polyester resins, alkyd resins, polyurethane systems, plasticizers, surfactants, and related industrial formulations.
2. Are NPG and Neopentyl Glycol the same product?
Yes. NPG is the standard abbreviation used for Neopentyl Glycol.
3. Is CAS 126-30-7 the correct CAS number for this product?
Yes. CAS 126-30-7 is the listed CAS number for Neopentyl Glycol on the product page.
4. Is this product better classified as a chemical raw material rather than a finished coating additive?
Yes. It is more appropriately positioned as a polyol raw material and intermediate for resin, polymer, and coating-related manufacturing.
5. What grades are listed for Neopentyl Glycol?
The product page lists 90% and 99% grades.
6. What packaging is commonly used for this product?
The listed standard packaging is 25 kg/bag, with packaging adjusted when required by shipment arrangement.
7. What storage conditions are recommended?
It should be stored in a cool, dry, ventilated place, protected from direct sunlight, and kept sealed at a recommended storage temperature of 18–25°C.
8. Are technical documents available for this material?
Technical documents such as COA, TDS, and SDS may be provided according to the supplied grade and shipment arrangement.

FAQ - Technical & Supply Chain

Documents

Documents and Product Support

For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.

  • COA for batch-based quality reference
  • TDS for key physical and chemical information
  • SDS / MSDS for handling, storage, and safety reference
  • Packing information for sample, trial, and bulk orders
  • Technical communication based on application and specification requirements
Quotation

Information to Confirm Before Quotation

Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.

  • Product name and CAS number
  • Application or intended end use
  • Required purity, grade, or specification
  • Sample quantity, trial order, or bulk demand
  • Preferred packing form or net weight
  • Destination country or port
  • Required documents or compliance expectations
Storage & Handling

Packaging, Storage, and Handling Notes

Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.

Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.

Supply Support

Sample, Bulk Order and Repeat Supply Support

Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.

For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.

Contact Form

Use our contact form to send us your questions, suggestions or comments. We will respond as soon as possible.