| Customization: | Available |
|---|---|
| CAS No.: | 57-55-6 |
| Formula: | C3h8o2 |
|
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| 1,2-Propanediol | |
| Chemical name | 1,2-Propanediol |
| Molecular Formular | C3H8O2 |
| Molecular Weight | 76.09 |
| Cas No. | 57-55-6;123120-98-9 |
| EINECS No. | 200-338-0 |
| Appearance | Colorless viscous liquid |
| Density | 1.0±0.1 g/cm3 |
| Purity | ≥99.0% |
| Melting point | -60ºC |
| Boiling point | 187.3ºC |
| Package | 200kg/drum |
| Storage Conditions | Cool,dry and hermetic place |
| ndex | Tech | High | USP | |
| China standard |
International standard |
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| Purity (as PG by wt %) | 99.5 min | 99.5 min | 99.5 min | 99.8 min |
| Moisture by wt % | 0.2 max | 0.2 max | 0.2 max | 0.1 max |
| Color APHA, Pt-Co | 10 max | 5 max | 10 max | 10 max |
| Specific Gravity d2020 | 1.037~1.039 | 1.036~1.039 | 1.035~1.037 | 1.035~1.039 |
| Index of Refraction nD20 | 1.431~1.435 | 1.430~1.435 | 1.431~1.432 | 1.431~1.435 |
| Free acid (as CH3COOH) by ppm | 75 max | / | / | / |
| Free acid (ml 0.1N NaOH/10ml) | / | / | 0.05 max | 0.01 max |
| Alkalinity (as OH- mmol/100g) | / | 0.05 max | / | / |
| Residue on ignition by ppm | 80 max | / | 70 max | 20 max |
| Distillation range (IBP-DP) by ºC | / | 183~189 | / | 186~189 |
| Distillation range (L) by ºC | 184~189 | / | 184~189 | / |
| Distillation range (U) by ºC | 184~189 | / | 184~189 | / |
| Distillation volume, by vol% | 95 min | / | / | / |
| Chloride as Cl by wt % | / | / | 0.007 max | 0.0001 max |
| Suphate as SO42- by wt % | / | / | 0.006 max | 0.001 max |
| Heavy metal as Pb by ppm | / | / | 5 max | 5 max |
| Iron as Fe by ppm | / | / | 0.5 max | 0.5 max |
| Arsenic by ppm | / | / | 1 max | / |
| Ethylene Glycol by ppm | / | / | 0.008 max | / |
| Diethylene Glycol by ppm | / | / | 0.008 max | / |
| Odor | yes | yes | Slight odor | odorless |
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