Name | 1,8-Octanediol |
Synonyms | ODOL Octanediol 1,8-Octanediol Octan-1,8-diol 1,8-0ctanediol Octane-1,8-diol OCTYLENE GLYCOL octane-1,8-diol OCTANEDIOL(1,8-) Octamethylene glycol OCTAMETHYLENE GLYCOL octane,1,8-dihydroxy- 1,8-Dihydroxyoctane~Octamethylene glycol |
CAS | 629-41-4 |
EINECS | 211-090-8 |
InChI | InChI=1/C8H18O2/c9-7-5-3-1-2-4-6-8-10/h9-10H,1-8H2 |
Molecular Formula | C8H18O2 |
Molar Mass | 146.23 |
Density | 1,053g/cm |
Melting Point | 57-61 °C (lit.) |
Boling Point | 172 °C/20 mmHg (lit.) |
Flash Point | 148°C |
Water Solubility | Soluble in water and methanol. |
Solubility | Soluble in water (partly), and methanol (almost transparency). |
Vapor Presure | 0.000507mmHg at 25°C |
Appearance | Crystallization |
Color | Off-white to pale yellow |
BRN | 1633499 |
pKa | 14.89±0.10(Predicted) |
Storage Condition | Sealed in dry,Room Temperature |
Refractive Index | 1,438-1,44 |
MDL | MFCD00002989 |
Physical and Chemical Properties | Needle-like crystals. The melting point of 63 deg C, boiling point of 172 deg C (2.66kPa). Soluble in ethanol, insoluble in water, ether, light gasoline. |
Use | intermediates for cosmetics, plasticizers, special additives. |
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S24/25 - Avoid contact with skin and eyes. |
WGK Germany | 3 |
HS Code | 29053980 |
NIST chemical information | information provided by: webbook.nist.gov (external link) |
Use | Cosmetics, plasticizers, special additives intermediates. |
production method | with diethyl subate as raw material, copper-chromium oxide as catalyst, obtained by hydrogenation and reduction at high temperature and high pressure. |