CASR |
: | 57-55-6 |
Molecular Formula |
: | C3H8O2 |
Molecular Weight |
: | 76.1 |
Specifications | |
---|---|
Description: | A clear, colourless, vicous liquid; practically odrourless; hygroscopic. |
Solubility: | Miscible with water, with ethanol (96%), with acetone, and with chloroform; Soluble in ether and immiscible with fixed oils |
Identification A (By IR): | IR spectra of the sample should be concomitant with IR spectra of the standard |
Identification B (Diethylene glycol): | NMT 0.1% |
Identification B (Ethylene glycol): | NMT 0.1% |
Identification (By GC Chromatogram): | The retention time of the propylene glycol peak of the sample solution corresponds to that of the standard solution. |
Identification (by Relative density, 20°C): | 1.035 -1.040 |
Identification (By Refractive index, 20±0.5°C): | 1.431 -1.433 |
Identification (By Boiling Point): | 184° to 189°C |
Identification(By Melting point): | Crystals should melt between 121°C to 128°C |
Appearance of solution: | Clear and colourless |
Relative density (20°C): | 1.035 -1.040 |
Refractive index (20°C ± 0.5°C): | 1.431 -1.433 |
Specific gravity, 25°C: | 1.035-1.037 |
Oxidising substances: | NMT 0.2 mL of 0.05M sodium thiosulfate should require. |
Reducing substances: | The solution does not change its appearance. |
Heavy metals: | NMT 5 ppm |
Acidity: | Not more than 0.05 mL of 0.1 M sodium hydroxide should require to change the colour of the indicator to blue |
Diethylene glycol: | NMT 0.1 % |
Ethylene Glycol: | NMT 0.1 % |
chloride: | NMT 70ppm |
Sulphate: | NMT 60ppm |
Sulphated ash: | NMT 0.007% |
Water: | NMT 0.2% |
Assay: | NLT 99.5% |
Total aerobic microbial count: | NMT 100 CFU/ml |
Total Yeast & mold count: | NMT 10 CFU/ml |
Bacterial endotoxins: | NMT 2.5EU/ml |