neopentyl glycol

CAS Number: 126-30-7
Chemical Formula: C5H12O2
Synonyms: 2,2-Dimethyl-1,3-propanediol, NPG
Appearance: White crystalline solid
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)

Product Details
Neopentyl glycol is a white, crystalline, hygroscopic solid with low volatility. It is readily soluble in water, mmaleic-anhydride.html">material/ethanol.html">ethanol, ethanol, and isopropanol, slightly soluble in diethyl ether. It is widely used in the synthesis of saturated polyester resins, polyurethane.html">polyurethane foams, plasticizers, lubricants, and coatings. It imparts excellent hardness, flexibility, weather resistance, and chemical stability to polymers due to its unique neopentyl structure.neopentyl glycol

Parameters

PropertyValue
Melting point127-130 °C (lit.)
Boiling point204 °C (lit.)
density1.06 g/cm3 at 25 °C
vapor pressure<0.01 mm Hg (20 °C)
refractive index1.4500 (estimate)
Fp107 °C
storage temp.Sealed in dry, Room Temperature
solubilitySoluble in water, alcohols; slightly soluble in ethers
pka14.0 (estimated)
formCrystalline Solid
colorWhite
Water Solubility180 g/L (20 °C)
StabilityStable. Hygroscopic. Incompatible with strong oxidizing agents.
CAS DataBase Reference126-30-7 (CAS DataBase Reference)
EPA Substance Registry SystemNeopentyl glycol (126-30-7)

Safety Information

ItemValue
Hazard CodesXi
Risk Statements36/37/38
Safety Statements26-36
WGK Germany1
RTECSTY2965000
TSCATSCA listed
HS Code2905310000
ToxicityLD50 orally in Rat: >2000 mg/kg

Product Application of Neopentyl Glycol CAS#126-30-7

1. Used in the production of saturated polyester resins for powder coatings, coil coatings, and high-performance finishes.
2. Serves as a raw material for polyurethane systems, providing enhanced hydrolytic stability and weatherability.
3. Applied in synthetic lubricants, plasticizers, and alkyd resins for improved durability and low-temperature properties.
4. Used as an intermediate in pharmaceutical and agricultural chemical synthesis.
5. Employed in unsaturated polyester resins for fiberglass-reinforced plastics.

Factory and Equipment Show

Fast delivery time

Inventory: 2–3 working days

New production: 7–10 working days

Online Consultation

Please fill out the form below and we will contact you as soon as possible