2-Octanol

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.

2-Octanol
Names
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)
1719322
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.004.244
EC Number
  • 204-667-0
131016
RTECS number
  • RH0795000
UNII
  • InChI=1S/C20H30N7O16P3/c21-9-2-1-3-26(4-9)19-15(30)13(28)10(40-19)5-38-45(34,35)43-46(36,37)39-6-11-14(29)16(42-44(31,32)33)20(41-11)27-8-25-12-17(22)23-7-24-18(12)27/h1,3-4,7-8,10-11,13-16,19-20,28-30H,2,5-6,21H2,(H,34,35)(H,36,37)(H2,22,23,24)(H2,31,32,33)
    Key: IMPUPYZMUDSKSF-UHFFFAOYSA-N
  • InChI=1/C20H30N7O16P3/c21-9-2-1-3-26(4-9)19-15(30)13(28)10(40-19)5-38-45(34,35)43-46(36,37)39-6-11-14(29)16(42-44(31,32)33)20(41-11)27-8-25-12-17(22)23-7-24-18(12)27/h1,3-4,7-8,10-11,13-16,19-20,28-30H,2,5-6,21H2,(H,34,35)(H,36,37)(H2,22,23,24)(H2,31,32,33)
    Key: IMPUPYZMUDSKSF-UHFFFAOYAA
  • CC(O)CCCCCC
Properties
C8H18O
Molar mass 130.231 g·mol−1
Appearance Colourless liquid with characteristic odour
Density 0.820 7 (g/cm3) (20°C)
Melting point −38 °C (−36 °F; 235 K)
Boiling point 178.5 °C (353.3 °F; 451.6 K)
1.120 g/L
log P 2.9
Vapor pressure 0.031 mbar (20 °C)
0.11 mbar (30 °C)
0.9 mbar (50 °C)
1.23E-04 atm-m3/mol
1.426 (20 °C)
Viscosity 6.2 cP
Thermochemistry
330.1 (J/mol*K) (298.5K)
Hazards
Occupational safety and health (OHS/OSH):
Eye hazards
 2
Skin hazards
 2
GHS labelling:
Warning
H226, H315, H319, H411, H412
P210, P233, P240, P241, P242, P243, P273, P280, P303+P361+P353, P370+P378, P391, P403+P235, P501
Flash point 71 °C (160 °F; 344 K)
265 °C (509 °F; 538 K)
Explosive limits 0.8 vol. % - 7,4 vol.%
Lethal dose or concentration (LD, LC):
>3.2 g/kg (rat, oral)
4 g/kg (mouse, oral)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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