Product Introduction
Propylene glycol (PG) is a colorless, odorless, and slightly sweet viscous liquid with the chemical formula C₃H₈O₂. It is commonly used as a solvent, humectant, and antifreeze agent. It has excellent moisture absorption and frost resistance properties.
Product Properties
|
Product Name： |
Propylene Glycol |
|
CAS No.： |
57-55-6 |
|
Molecular Formula: |
C3H8O2 |
|
Structural formula: |
|
Product Specification
|
Index |
USP Grade |
High Grade |
Industrial Grade |
|
PG Content %, ≥ |
99.80 |
99.80 |
99.50 |
|
Distillation range, IBP, ≤ |
184.0℃ |
184.0℃ |
- |
|
Distillation range, DP, ≤ |
189.0℃ |
189.0℃ |
- |
|
Moisture wt%, ≤ |
0.10 |
0.10 |
0.10 |
|
Colourity (Pt-Co) APHA, ≤ |
10 |
10 |
10 |
Product Application
The application of Tech-grade PG
1. Used in the production of unsaturated resins, polyether polyols, epoxy resins, and more.
2. Used in organic synthesis as a solvent, dehydrating agent, gas chromatography fixed liquid, synthetic emulsifier, demulsifier, and more.
3. Acts as a chemical intermediate in the production of the pesticide fungicide phenoxyconazole.
4. Used in the cellophane, plasticizer, and pharmaceutical industries.
5. The aqueous solution of propylene glycol is an effective antifreeze agent.
The application of USP-grade PG
1. This product can be used as a drug carrier for human medicine, a granule drug agent, a moisturizer, a softener, and a solvent.
2. It can also be used as a solvent in veterinary medicine and pesticides.
3. It can be used in the tobacco industry as a tobacco flavoring agent, tobacco moisturizer, and preservative.
4. It is widely used as a moisturizer in the daily chemical industry.
The application of Food-additive PG
1. It can be used as a solvent for flavors, flavorings, food coloring, food packaging softeners, food anti-stick agents, tobacco moisturizers, anti-mildew agents, fruit ripening preservatives, antifreeze and heat transfer mediums, emulsifiers, and more.
2. It can also be used as a solvent for food marking ink and for lubricating oils in food processing equipment.
3. It is widely used as a moisturizer in the daily chemical industry.
Product Packaging & Storage
Packaging:
· Packaging is available in galvanized iron drums,plastic drums and IBC drums, with specifications of 25 kg, 200 kg, or 215 kg,1000kg.
· Packaging can also be customized according to customer requirements, including ISO TANK tanks or flexible bags.
Storage:
· Store in a cool, well-ventilated warehouse. The storage temperature should not exceed 37°C, and the relative humidity should be kept below 60%.
· Keep away from sources of ignition and heat. The use of mechanical equipment and tools that may generate sparks is prohibited.
FAQ
Q: What role does PG play in cosmetics?
A: In cosmetics, PG erves as a humectant and penetration enhancer. It helps other active ingredients to be absorbed into the skin while also maintaining product stability and extending shelf life.
Q:Can PG be used in the food industry?
A: Yes, PG is widely used in the food industry as an antifreeze agent, humectant, and carrier for certain food additives.
Q: In which products is propylene glycol commonly found?
A: It is commonly found in cosmetics, personal care products (such as toothpaste and shampoo), food products, pharmaceuticals, tobacco alternatives (such as e-cigarette liquids), and various industrial applications.
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