Neopentyl glycol

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Neopentyl glycol Specification

Ph Level
Neutral (in aqueous solution)

Storage Instructions
Store in a dry, well-ventilated area, away from sources of ignition and moisture

Appearance
White crystalline solid

Odour
Mild

Density
1.06 Gram per cubic centimeter(g/cm3)

Solubility
Soluble in water and many organic solvents

Molecular Weight
104.15 g/mol

Chemical Name
Neopentyl Glycol

Other Names
2,2-Dimethyl-1,3-propanediol, NPG

Classification
Alcohol, Diol, Polyol

CAS No
126-30-7

Type
Industrial Chemical / Polyol

Application
Polyester Resins, Lubricants, Plasticizers, Coatings, Adhesives

Application Method
Industrial processing, polymer formulation, additive blending

Raw Material
Acetone, Formaldehyde

Physical State
Crystalline solid

Usage
Intermediate for resins and plasticizers, component in surface coatings and synthetic lubricants

Shelf Life
24 months under proper storage conditions

Purity(%)
99.5% min

Drying Time
Not applicable (raw material/intermediate)

Best Before
24 months from date of manufacture

Refractive Index
1.464

Melting Point
126 - 130C

Flash Point
187C (closed cup)

EC Number
204-781-0

HS Code
29053990

Hazard Class
Not classified as hazardous

Packing Type
25 kg bags / 500 kg jumbo bags

UN Number
Not regulated

Boiling Point
208C (decomposes)

About Neopentyl glycol

Neopentyl glycol (IUPAC name: 2,2-dimethylpropane-1,3-diol) is an organic chemical compound. It is used in the synthesis of polyesters, paints, lubricants, and plasticizers. When used in the manufacture of polyesters, it enhances the stability of the product towards heat, light, and water. By esterification reaction with fatty or carboxylic acids, synthetic lubricating esters with reduced potential for oxidation or hydrolysis, compared to natural esters, can be produced.

Key Features and Physical Properties

Neopentyl Glycol is characterized by a melting point of 126130C and a boiling point of 208C (decomposes), with a refractive index of 1.464. It is supplied as a white crystalline solid, neutral in pH, and highly soluble in water and many organic solvents. Its high purity (99.5% minimum) and stable molecular structure contribute to its effectiveness in diverse industrial settings.

Versatile Applications in Industry

NPG is chiefly engaged as an intermediate in polyester resin synthesis, surface coatings, and the production of synthetic lubricants and plasticizers. Additionally, it is valued in the adhesiveness of industrial coatings and finds roles in several polymer formulations, benefiting manufacturers in sectors like construction, automotive, and plastics processing.

Safe Handling and Storage Guidelines

Neopentyl Glycol is not classified as hazardous and is not regulated under UN standards. It should be stored in dry, well-ventilated spaces, isolated from ignition sources and moisture. The product is typically available in 25 kg bags or 500 kg jumbo bags, with a recommended shelf life of 24 months when stored under optimal conditions.

FAQs of Neopentyl glycol:

Q: How is Neopentyl Glycol typically used in industrial processes?

A: Neopentyl Glycol is widely used as an intermediate in the manufacture of polyester resins, surface coatings, plasticizers, and synthetic lubricants. It can be incorporated through industrial processing, polymer formulation, or additive blending to enhance product properties.

Q: What benefits does Neopentyl Glycol offer in resin and coating applications?

A: NPG imparts excellent stability, durability, and weather resistance to polyester resins and coatings. Its molecular structure enhances the flexibility and longevity of polymers, making it a preferred ingredient for high-performance materials.

Q: Where can Neopentyl Glycol be sourced, and in what packaging sizes is it available?

A: Neopentyl Glycol can be sourced from industrial chemical distributors and suppliers in India and is typically provided in 25 kg bags or 500 kg jumbo bags, catering to varying scales of industrial consumption.

Q: What are the recommended storage conditions for Neopentyl Glycol, and how long can it be stored?

A: It is best to store Neopentyl Glycol in a dry, well-ventilated area, away from sources of ignition and moisture. When stored properly, it retains its quality for up to 24 months from the date of manufacture.

Q: Is Neopentyl Glycol classified as a hazardous material for transport or storage?

A: No, Neopentyl Glycol is not classified as hazardous under current regulations and is not regulated with a UN number, offering easier handling and storage compared to many industrial chemicals.

Q: What is the process of manufacturing Neopentyl Glycol?

A: Neopentyl Glycol is commercially produced from acetone and formaldehyde through a chemical reaction that yields its distinctive diol structure. This process ensures high purity and consistency for industrial use.

Q: How does Neopentyl Glycols solubility influence its use in different formulations?

A: Because it dissolves readily in water and a variety of organic solvents, Neopentyl Glycol is versatile and easily integrated into numerous formulations, aiding in the uniform dispersion and mixing of other components in industrial products.

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