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Propylene Glycol USP Grade is a high-purity variant of propylene glycol that conforms to the specifications outlined by the United States Pharmacopeia (USP). The USP is a set of standards for the quality, purity, strength, and consistency of drugs, food ingredients, and dietary supplements.
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| 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 |
| HEAVY METAL SPECIFICATIONS | ||
|---|---|---|
| Arsenic as As | 1 max | ppm |
| Iron | 0.5 max | ppm |
| Heavy Metal as Pb | 5 max | ppm |
Pharmaceuticals: Used as a carrier or solvent in oral, injectable, and topical pharmaceutical products. It helps improve solubility and acts as a stabilizer.
Food and Beverages: Used as a food additive (E1520) in icing, frostings, and cake mixes. It acts as a humectant to retain moisture.
Cosmetics: A common moisturizer in skincare products, lotions, and shampoos, enhancing texture and hydration.



Specializing in a comprehensive range of food emulsifiers since 2007. The diverse product portfolio includes Distilled Monoglyceride (DMG), Glycerol Monostearate (GMS), Polysorbate, Propylene Glycol (PG), DATEM, SSL, and more.



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