Mono Propylene Glycol
CAS NO.57-55-6
Propylene glycol
Synonym(s): Propylene glycol, 1,2-Propanediol
Linear Formula: CH3CH(OH)CH2OH
CAS Number: 57-55-6
Molecular Weight: 76.09
Index | Pharma Grade | Technical Grade |
PG content % ≥ | 99.7 | 99.5 |
Moisture % ≤ | 0.10 | 0.20 |
Color (Pt-Co) No. ≤ | 10 | 16 |
Relative density d2020 g/cm3 | 1.035~1.038 | 1.035~1.040 |
Index of refraction(nd20) | 1.431-1.435 | 1.428-1.435 |
Acidity(as acetic acid), % ≤ | 0.01 | 0.02 |
Distillation range(IBP-DP) oC | 184~190 | 183~190 |
Appearance | Colorless, viscous and transparent liquid, |
Scope of Application
· Propylene Glycol Pharma Grade can be used as a pharmaceutical carrier for human use, granule pharmaceutical agent, humectant, softener and solvent;
· It can also be used as a solvent in the veterinary medicine field and the pesticide field;
· It can be used as a tobacco essence, tobacco humectant, and preservative in the tobacco industry;
· It can be widely used as a humectant in the daily chemical industry.
Product Features
· The Company has made important technical improvements. The content of propylene glycol is over 99.8%, with few impurities. Other side reactions can be eliminated during use to provide higher stability.
· The samples are detected using imported high-end gas chromatograph, which ensures the accuracy of product quality.
· It has better hygroscopicity and antifreeze property.
Packaging and Transportation
· Propylene Glycol Pharma Grade can be packaged in a galvanized iron bucket or a plastic drum, with specifications of , 200 kg and 215 kg. And packaged in an ISO tank or a liquid bag, or according to the requirements of customers.
Safety and Storage
Propylene Glycol Pharma Grade should be stored in a cool and ventilated warehouse. The warehouse temperature should not exceed 37℃ and the relative humidity should be controlled below 60%. It should be stored separately from oxidants, reductants, acids, etc. It is prohibited to mix them in storage and it is necessary to keep containers sealed. It should be kept away from kindling and heat sources and it is prohibited to use mechanical equipment and tools that are easy to generate sparks.
The storage area should be equipped with emergency treatment devices for leakage. The cushion layer should be provided at the bottom layer when it is stored by stacks. The stacking height should not exceed 2m.