Propylene Glycol
Applications of Propylene Glycol
Food Industry
Propylene glycol is widely used as a food additive, particularly as a humectant and solvent in various food products. Its low toxicity and ability to mix with other ingredients make it a popular choice for maintaining moisture levels in baked goods, candies, and processed foods.
Cosmetics and Personal Care Products
In the cosmetics and personal care industry, propylene glycol is used as a humectant, solvent, and emollient. It helps maintain moisture levels in lotions, creams, and other skincare products, and can also be found in hair care products, deodorants, and makeup.
Pharmaceuticals
Propylene glycol is used in pharmaceutical formulations as a solvent and humectant. It is often utilized in the production of oral, topical, and injectable medications, as well as in the manufacturing of medical devices such as inhalers.
Antifreeze and Coolants
One of the most common uses of propylene glycol is as an antifreeze and coolant in heating and cooling systems.
Plasticizers
Propylene glycol can also be used as a plasticizer in various industrial applications. It is an ingredient in the production of flexible plastics, coatings, and adhesives.
Specifications
TEST DESCRIPTION | UNIT OF MEASURE | SPECIFICATION |
---|---|---|
Identification | - | Min Pass |
Appearance | Visual | Min. Clear |
MPG | % weight | Min 99.8 |
Density @20°C | °C | 1.037-1.039 |
Chloride | ppm | Max 1 |
Sulphate | ppm | Max 10 |
Acidity | ml | Max 0.05 |
Iron | ppm | Max 0,1 |
Heavy Metals as Pb | ppm | Max 1 |
Residue on ignition | ppm | Max 20 |
Water | ppm | Max 700 |
Color | APHA | Max 10 |
Distillation | °C | |
IBP | °C | Min 186 |
DP | °C | Min 189 |
EG | ppm | Max 50 |
DEG | ppm | Max 50 |