Propylene glycol

Molecular Weight                           400~2050

Boiling Point                                   188.2℃

Flash Point(℃)                                 99℃(closed cup)107℃(open cup)

Melting Point(℃)                           ﹣59℃

Refractive Index                             1.4307~1.4317

Specific Gravity                              1.04

Appearance                                    colorless or light yellow transparent liquid

PG Content wt                                99.7%min    99.5%min

Moisture wt% ≤                              0.1          0.1

Chrominance(platinum-cobalt)≤    5           10

Density(20℃)g/cm3                        1.035~1.038  1.035~1.038

Refractive Index                              1.431~1.435  1.431~1.435

Acidity%≤                                       0.01         0.01

Boiling Range℃                              184~190     184~190

Propylene glycol is miscible with water, ethanol and various organic solvents. Propylene glycol can be used as raw material for unsaturated polyester resin.

Cosmetic: PG could be used as humidor, emollient and solvent in cosmetic and industry.

Pharmacy: PG is used as the carrier of medicine and agent for particle medicine.

Food: PG is used as solvent of perfume and edible pigment,emollient in food packing,and anti-adhesive.

Tobacco: Propylene glycol is used as tobacco flavor, lubricated solvent,and preservative.