Spekciton Biology
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Mono propylene glycol, often abbreviated as MPG or PG, is a synthetic organic compound with the chemical formula C3H8O2. It is a colorless, odorless, and viscous liquid that is non-toxic and easily soluble in water. In the food industry, MPG acts as a humectant, preserving moisture in processed foods and beverages. The pharmaceutical and cosmetic sectors utilize MPG for its solvent properties, often incorporating it into products like oral care items and skin creams.
| CHEMICAL/PHYSICAL SPECIFICATIONS | ||
|---|---|---|
| Assay as PG on a dry basis | 99.5 min | % |
| Water | 0.2 max | % |
| Color, Pt-Co (APHA Color) | 10 max | - |
| Specific Gravity @25/25C | 1.035 - 1.037 | - |
| Refractive Index @25C | 1.431 - 1.432 | - |
| Free Acid (CH3COOH) | 75 max | ppm |
| Residue on Ignition | 80 max | ppm |
| Distillation range (>95%) | 184 - 189 | - |
| HEAVY METAL SPECIFICATIONS | ||
| Arsenic as As | 1 max | ppm |
| Iron | 0.5 max | ppm |
| Heavy Metal as Pb | 5 max | ppm |
Food and Beverage Industry:
MPG is used as a food additive and is generally recognized as safe (GRAS) by regulatory authorities. It serves as a humectant, which helps retain moisture in food products, preventing them from drying out. It is commonly found in processed foods, baked goods, and beverages.
Pharmaceuticals and Cosmetics:
In the pharmaceutical and cosmetic industries, MPG is used in various products, including oral care products, skin creams, and lotions. It serves as a solvent, humectant, and emollient, contributing to the texture and stability of these formulations.
Personal Care Products:
MPG is used in the production of personal care items such as deodorants, shampoos, and soaps. It helps maintain product consistency and acts as a humectant.
Antifreeze and Coolants:
MPG is a common component in antifreeze and coolant formulations for automotive and industrial applications. It helps prevent the freezing of liquids in cold temperatures and also provides some protection against overheating.
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