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 Iron Heavy Metal as Pb |
1 max 0.5max 5 max |
ppm ppm ppm |
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.
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.
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.
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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