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Skeletal formula of 3-methyl-2-butanol
IUPAC name
598-75-4 N
1572-93-6 (R) YesY
1517-66-4 (S) YesY
ChEMBL ChEMBL443470 YesY
ChemSpider 11239 YesY
553660 (R) YesY
5367305 (S) YesY
EC Number 209-950-2
Jmol 3D model Interactive image
PubChem 11732
638099 (R)
6999784 (S)
UNII 69C393R11Z YesY
UN number 1105
Molar mass 88.15 g·mol−1
Appearance Colorless liquid
Density 818 mg cm−3
Boiling point 109 to 115 °C; 228 to 239 °F; 382 to 388 K
59 g dm−3
Solubility in ethanol miscible
log P 1.036
Vapor pressure 1.20 kPa
245.9 J K−1 mol−1
-371.3--368.5 kJ mol−1
-3.3157--3.3145 MJ mol−1
GHS pictograms The flame pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word WARNING
H226, H332, H335
Harmful Xn
R-phrases R10, R20, R37, R66
S-phrases S46
NFPA 704
Flammability code 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g., gasoline) Health code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentine Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Flash point 34 °C (93 °F; 307 K)
Related compounds
Related compounds
Amyl alcohol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

3-Methyl-2-butanol (IUPAC name, commonly called sec-isoamyl alcohol) is an organic chemical compound. It is used as a solvent and an intermediate in the manufacture of other chemicals.[3]


  1. ^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 3–374, 5–42, 8–102, 15–22, ISBN 0-8493-0594-2 
  2. ^ "sec-Isoamyl alcohol - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Retrieved 13 October 2011. 
  3. ^ McKetta, John J.; Cunningham, William Aaron (1977), Encyclopedia of Chemical Processing and Design, 3, Boca Raton, FL: CRC Press, pp. 280–281, ISBN 978-0-8247-2480-1, retrieved 2010-01-17