CAS No.: | 57-55-6 |
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Formula: | C3h8o2 |
EINECS: | 200-338-0 |
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Propylene glycol (IUPAC name: propane-1,2-diol) is a viscous, colorless liquid, which is nearly odorless but possesses a faintly sweet taste. Its chemical formula is CH3CH(OH)CH2OH. Containing two alcohol groups, it is classed as a diol. In general, glycols are non-irritating and have very low volatility.
Product Name | Propylene Glycol | Batch No. | SCPG2100204 |
Man. Date | Feb.04, 2021 | Exp. Date | Feb. 03, 2022 |
Inspection Report | |||
Item | Standard | Result | |
Appearance | Colorless, viscous clear hygroscopic liquid | Colorless, viscous clear hygroscopic liquid | |
Purity | 99.00% min. | 99.50% | |
Moisture | 0.2% max. | 0.06% | |
Specific gravity (20°C ) (g/ cm3) | 1.035-1.038 | 1.037 | |
Index of refraction (nD20) | 1.428-1.435 | 1.433 | |
Alkalinity (as OH-) | 0.04 mmol/100g max | 0.01 mmol/100g | |
Color APHA | 5 max | 5 | |
Acidity, ml | 0.02 (m/m) | 0.0046 |
Items | Unit | Specification | Results |
Identification | -- | passed | passed |
Appearance | -- | Colorless clear viscous liquid | Colorless clear viscous liquid |
Assay | % | 99.80 min | 99.92 |
EG | ppm | 50max | 20 |
DEG | ppm | 50max | 20 |
Residue on lgnition | mg | 2.5max | 1.0 |
Chloride | Weight % | 0.007max | <0.007 |
Sulfate | Weight% | 0.006max | <0.006 |
Heavy metals | ppm | 5max | <5 |
Specific Gravity | 25ºC | 1.035-1.037 | 1.036 |
Acidity(0.1N NaOH) | ml | 0.05max | 0.03 |
Moisture | Weight % | 0.10max | 0.031 |
Fe | ppm | 0.1max | 0 |
Color | Pt-Po | 10max | <10 |
IBP | ºC | 184 | 184 |
DP | ºC | 189 | 186 |
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