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1-Octadecanol CAS 112-92-5

Stearyl Alcohol, also known as octadecyl(alkyl)alcohol, belongs to the class of long-chain high-carbon fatty alcohols. White flakes or particles. Melting point 59.4-59.8 ℃ (freezing point 57.95 ℃), boiling point 210 ℃ (2kPa) 170-171 ℃ (0.266kPa), relative density 0.8124 (59/4 ℃), refractive index 1.4346 (45 ℃). Soluble in alcohol, benzene, chloroform, insoluble in water. Slightly toxic, slightly irritating to eyes and skin, combustible, its dust can form explosive mixtures with air, mainly used as raw materials for organic synthesis. It can be produced by hydrogenation of stearic acid or by reduction of ethyl stearate with sodium and ethanol.
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  • 112-92-5

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  • 112-92-5

1-Octadecanol Basic information
Product Name: 1-Octadecanol
CAS: 112-92-5
MF: C18H38O
MW: 270.49
EINECS: 204-017-6
Mol File: 112-92-5.mol
1-Octadecanol Chemical Properties
Melting point  56-59 °C (lit.)
Boiling point  210 °C15 mm Hg
bulk density 300kg/m3
density  0.812 g/mL at 25 °C (lit.)
vapor density  9.3 (vs air)
vapor pressure  <0.01 mm Hg ( 38 °C)
refractive index  1.4356 (estimate)
Fp  185°C
storage temp.  2-8°C
solubility  methanol: soluble10mg/mL, clear, colorless
form  Flakes
pka 15.20±0.10(Predicted)
Specific Gravity 0.812
color  White
Odor wh. unctuous flakes or gran., faint odor, bland taste
explosive limit ~8%
Water Solubility  insoluble
Merck  148,805
BRN  1362907
Dielectric constant 3.4(58℃)
LogP 7.4
CAS DataBase Reference 112-92-5(CAS DataBase Reference)
NIST Chemistry Reference 1-Octadecanol(112-92-5)
EPA Substance Registry System 1-Octadecanol (112-92-5)

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