CAS:126-30-7
Purity:≥99.0%
Molecular Formula:C₅H₁₂O₂
MW:104.15
EINECS:204-781-0
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Neopentyl Glycol/NPG CAS 126-30-7
Neopentyl Glycol (abbreviated NPG, CAS 126-30-7), chemical name 2,2-Dimethyl-1,3-propanediol, is a saturated aliphatic diol with stable neo-pentyl structure. Its unique molecular structure brings excellent thermal stability, hydrolysis resistance and UV weatherability, widely applied as core raw material for high-performance resins, coatings, adhesives and synthetic lubricants globally.
| Item | Industrial Grade Standard（外贸主流） |
|---|---|
| Appearance | White crystalline flake/solid |
| Purity (GC) | ≥99.0% |
| Moisture | ≤0.3% |
| Acid Value | ≤0.1 mgKOH/g |
| APHA Color | ≤15 |
| Melting Point | 126~128℃ |
| Boiling Point | 208℃ |
| Flash Point | 107℃ |
| Density | 1.06 g/cm³ |
| Solubility | Soluble in water, ethanol, ketones, ethers, aromatic solvents |
| Characteristic | Hygroscopic, high thermal & hydrolytic stability |
- Outstanding hydrolytic & weather resistance: Coatings made with NPG resist fading, chalking and peeling under long-term outdoor exposure
- Balanced hardness & flexibility: Perfect formula window for powder coating, metal anti-corrosion paint
- Low yellowing property: Excellent gloss retention for amino baking varnish
- Fast esterification reaction: Improve production efficiency for resin manufacturers
- Stable batch quality, low moisture & acid value, no adverse impact on downstream synthesis
- Package: 25kg woven bag with inner plastic film, 500kg IBC tote tank, bulk tank truck
- Storage: Sealed storage in dry & cool warehouse, avoid moisture absorption
Q1: What is CAS number of Neopentyl Glycol?
A1: CAS 126-30-7, chemical name 2,2-Dimethyl-1,3-propanediol
Q2: What is the molecular formula and molecular weight of CAS 126-30-7?
A2: Molecular formula: C₅H₁₂O₂; Molecular weight: 104.15 g/mol. Accurate molecular data complies with international chemical database standards.
Q3: What is NPG mainly used for?
A3: Raw material for powder coating, alkyd resin, polyurethane, synthetic lubricants
Q4: What is the difference between 98% and 99% Neopentyl Glycol CAS 126-30-7?
A4: 99% high-purity NPG has lower moisture, fewer impurities and lower yellowing rate, suitable for high-end powder coating, outdoor weather-resistant resin and PU materials; 98% grade is suitable for ordinary resin and lubricant raw materials.
Q5: Do you support long-term stable supply of CAS 126-30-7 NPG?
A5: Absolutely. We have sufficient annual production capacity and stable raw material supply, supporting long-term contract order supply for global customers.
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