Names | |
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Preferred IUPAC name
Octan-2-ol | |
Other names
2-Octanol
2-Octyl alcohol 1-Methyl-1-heptanol sec-Capryl alcohol Methylhexylcarbinol sec-Caprylic alcohol | |
Identifiers | |
3D model (JSmol)
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1719322 | |
ChEBI | |
ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.004.244 |
EC Number |
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131016 | |
PubChem CID
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RTECS number |
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C8H18O | |
Molar mass | 130.231 g·mol−1 |
Appearance | Colourless liquid with characteristic odour[1] |
Density | 0.820 7 (g/cm3) (20°C)[2] |
Melting point | −38 °C (−36 °F; 235 K)[6] |
Boiling point | 178.5 °C (353.3 °F; 451.6 K)[6] |
1.120 g/L[3] | |
log P | 2.9[3] |
Vapor pressure | 0.031 mbar (20 °C) 0.11 mbar (30 °C) 0.9 mbar (50 °C)[3] |
Henry's law
constant (kH) |
1.23E-04 atm-m3/mol[3] |
Refractive index (nD)
|
1.426 (20 °C)[4] |
Viscosity | 6.2 cP[5] |
Thermochemistry | |
Heat capacity (C)
|
330.1 (J/mol*K) (298.5K)[1] |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Eye hazards
|
2[3] |
Skin hazards
|
2[3] |
GHS labelling:[3] | |
Warning | |
H226, H315, H319, H411, H412 | |
P210, P233, P240, P241, P242, P243, P273, P280, P303+P361+P353, P305+P351+P338, P370+P378, P391, P403+P235, P501 | |
NFPA 704 (fire diamond) | |
Flash point | 71 °C (160 °F; 344 K)[3] |
265 °C (509 °F; 538 K)[3] | |
Explosive limits | 0.8 % v/v (lower) 7.4 % v/v (upper)[3] |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
|
>3.2 g/kg (rat, oral) 4 g/kg (mouse, oral)[7] |
Safety data sheet (SDS) | Flinn Scientific |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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2-Octanol (octan-2-ol, 2-OH) is an organic compound with the chemical formula CH3CH(OH)(CH2)5CH3. It is a colorless oily liquid that is poorly soluble in water but soluble in most organic solvents. 2-Octanol is classified fatty alcohol. A secondary alcohol, it is chiral.