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更新时间:2011-05-31
浏览次数:1737
| Synonym: | Propylene glycol |
| CAS Number: | 57-55-6 |
| Linear Formula: | CH3CH(OH)CH2OH |
| Molecular Weight: | 76.09 |
| Beilstein Registry Number: | 1340498 |
| EC Number: | 200-338-0 |
| Packaging | 2 L in glass btl |
| 25, 500 mL in glass btl |
| grade | ACS reagent |
| vapor density | 2.62 (vs air) |
| vapor pressure | 0.08 mmHg ( 20 °C) |
| assay | ≥99.5% |
| autoignition temp. | 779 °F |
| expl. lim. | 12.5 % |
| total impurities | ≤0.0005 meq/g Titr. acid |
| ≤0.2% water | |
| ign. residue | ≤0.005% |
| color | ≤10(APHA) |
| refractive index | n |
| bp | 187 °C(lit.) |
| mp | −60 °C(lit.) |
| density | 1.036 g/mL at 25 °C(lit.) |
| anion traces | chloride (Cl-): ≤1 ppm |
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