Propylene Glycol (PG)

Propylene Glycol (PG) is a high-quality industrial chemical widely used in coatings, adhesives, inks, resins, plastics, and specialty formulations. It offers reliable performance, chemical stability, and consistent processing characteristics, making it suitable for modern manufacturing and advanced industrial applications.

Technical Specifications
Absorption 100%
Acid Value ≤ 0.5mg
Volatility Medium
Packing Available 30kg Can, 200kg Drum
Melting Point -59°C
Appearance Clear, colorless liquid
Odour Odourless
Molecular Weight 76.09g/mol
Boiling Point 184.8°C
Distillation Range 188°C
Freezing Point -60°C
Specific Gravity 1.036g/cm³
Refractive Index 1.432 at 20 °C
Flash Point 107.2°C
Specific Heat 2.4kJ/kg·K
Autoignition Temp 450°C

Description

Propylene Glycol (PG) is a glycol‑ether type solvent/coupler used to dissolve resins and improve flow/leveling, offering controlled evaporation and broad compatibility with water and organics.

Uses

Humectant; solvent; antifreeze component; formulations.

Benefits

Low volatility; miscible with water; good solvency.

Safety, Compliance & Notes

Thermal Conductivity 0.21W/m·K.
Electrical Conductivity 0.0001S/cm
Heat of Formation -426kJ/mol
Heat of Vaporization 56kJ/mol
Structure CH3-CHOH-CH2-OH
CAS Number 57-55-6
EINECS Number 200-338-0
Storage & Packaging Store in tightly closed drums/IBCs; keep away from ignition sources; ensure good ventilation; avoid moisture pickup if critical. (Applicable to Propylene Glycol (PG) handling.)
Product Stewardship Implement GMP/chemical hygiene plans: exposure control, spill response, and responsible disposal; verify regulatory status for destination market before shipment. (For Propylene Glycol (PG).)
Note Note: For Propylene Glycol (PG), confirm grade, inhibitor content (if any), and purity/spec limits with the supplier COA before formulation.
Notice NOTICE: Information is provided for guidance only and does not replace the manufacturer’s SDS/TDS; user must evaluate suitability for the intended process and comply with regulations. (For Propylene Glycol (PG).)

Additional information

Weight

1 kg, 10 kg, 30 kg, 200 kg