1,2-Dihydroxyoctane
1,2-Octanediol
CAS: 1117-86-8
Molecular Formula: C8H18O2
1,2-Dihydroxyoctane - Names and Identifiers
| Name | 1,2-Octanediol |
| Synonyms | 1,2-OCTANEDIOL 1,2-Octanediol Octan-1,2-diol Octane-1,2-diol octane-1,2-diol R,S-Octane-1,2-diol 1,2-Dihydroxyoctane 1,2-DIHYDROXYOCTANE (2R)-octane-1,2-diol (2S)-octane-1,2-diol (R,S)-Octane-1,2-diol |
| CAS | 1117-86-8 |
| EINECS | 214-254-7 |
| InChI | InChI=1/C8H18O2/c1-2-3-4-5-6-8(10)7-9/h8-10H,2-7H2,1H3/t8-/m0/s1 |
1,2-Dihydroxyoctane - Physico-chemical Properties
| Molecular Formula | C8H18O2 |
| Molar Mass | 146.23 |
| Density | 0.914 |
| Melting Point | 36-38 °C (lit.) |
| Boling Point | 131-132 °C/10 mmHg (lit.) |
| Flash Point | >230°F |
| Water Solubility | 3 g/L (20 ºC) |
| Solubility | 3 g/L (20°C) |
| Vapor Presure | 0.28Pa at 25℃ |
| Vapor Density | >1 (vs air) |
| Appearance | Transparent liquid |
| Color | Colorless to white |
| BRN | 1719619 |
| pKa | 14.60±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4505 (estimate) |
| MDL | MFCD00010738 |
1,2-Dihydroxyoctane - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36 - Irritating to the eyes |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 2 |
| TSCA | Yes |
| HS Code | 29053990 |
| Hazard Class | IRRITANT |
1,2-Dihydroxyoctane - Introduction
Solubility in water: 3g/L (20°C)
Last Update：2022-10-16 17:12:08
1,2-Dihydroxyoctane - Reference Information
| LogP | 2.1 at 25℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | 1, 2-octanediol is a colorless liquid or white solid, and its boiling point (℃) at 1330Pa is 131-132 ℃. 1, 2-octanediol can be mixed with a variety of organic chemicals in any proportion, and has good formula compatibility. |
| preparation | to the reaction kettle equipped with stirring, thermometer and high-level tank, add formic acid and hydrogen peroxide, start stirring, then add 1-octene, after adding, the reaction mixture solution continues to be maintained for 100 minutes, then the formic acid and water are evaporated under reduced pressure, and then the sodium hydroxide solution is added under stirring until the PH value of the mixture solution is alkaline, then the ester is added for extraction, and the obtained extract is washed twice with sodium chloride with a concentration of 30%. The washed extract is dehydrated with anhydrous magnesium sulfate and then distilled under reduced pressure. The fraction is collected under the condition of 131 ℃/1330Pa. The resulting fraction is the product 1, 2-octanediol. |
Last Update：2024-04-09 21:11:58
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