Propylene Glycol USP
Product Description
| Product | Propylene Glycol USP |
| CAS | 57-55-6 |
| Formula | CH3CHOHCH2OH |
| Synonym | 1,2-propanediol, Methyl glycol, 1,2-Propanediol, Propane-1,2-diol |
Typical Product Specifications
| Odor | Practically oderless |
| Solubility (grams/100 g water) at 100°C | Water Solubility @ 25°C, ---- Pass ---- Visual |
| Redusing Substances | Pass ------------------------ Current EP |
| Specific Gravity (20°C/4°C) | (@25/25°C) 1.0351 - 1.0364 ---------- ASTM D4052-9 |
| Color, Pt-Co | 10 max --------------------- ASTM D53 |
| Test Item & Description | Limit ----------- Unit --------- |
| Heavy Metals, as Pb | 5 max ---------- ppm ----- Current USP |
| Sulfate, compare to Standard | 0.006 max ------ %wt ---- Current USP |
| Iron | 0.300 max ---- ppm ---- TPO-G2A |
| Assay, Calculated | 99.00 min ---- % wt ---- DOWM 100687 |
| Acidity, as Acetic Acid | 0.002 max ---- % wt ---- DOWM 101370-TE3A |
| Sensoric | Liquid, slightly sweet taste |
| Chlorides, compare to standard | 0.007 max ------ %wt ---- Current USP |
| Identification, matches IRS Scan | Pass ----------------------- Current USP |
| Residue on Ignition | (% wt) --- 0.007max ---- Current USP |
| Organic Volatiles | Pass/Fail ------- Current USP |
| Water content(ppm) | 0.2 max ---- % wt ---- Current USP |
| Color, APHA; ASTM D 1209 | Colorless, clear |
| Oxidzing Substances,0.05M sodium thiosulfate | 0.2 max ------ ML ------- Current EP |
| Relative Density (20 ºC) | 1.0350 - 1.0400 ------ Current EP |
| Notes | Propylene Glycol (industrial grade) is also available Use: HUMECTANT, SKIN CONDITIONING, SOLVENT, VISCOSITY CONTROLLING |
| Class | Solvents - Glycols - Alcohols |
| Function | Solvents, Humectants & Emollients |
| Industry | Food Chemicals, Cosmetic, Nutrition, Plating, Industrial, Pharmaceutical, Resin & Coating, Flavor |
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