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320021

Sigma-Aldrich

3-Methyl-1-butanol

ACS reagent, ≥98.5%

Synonym(s):

Isoamyl alcohol, Isopentyl alcohol

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About This Item

Linear Formula:
(CH3)2CHCH2CH2OH
CAS Number:
123-51-3
Molecular Weight:
88.15
Beilstein/REAXYS Number:
1718835
EC Number:
204-633-5
MDL number:
MFCD00002934
UNSPSC Code:
12352001
PubChem Substance ID:
329753947
NACRES:
NA.21

grade

ACS reagent

vapor density

3 (vs air)

vapor pressure

2 mmHg ( 20 °C)

assay

≥98.5%

form

liquid

autoignition temp.

644 °F

expl. lim.

1.2-9 %, 100 °F

impurities

≤0.002 meq/g Titr. acid
≤0.1% carbonyl (as HCHO)
≤0.2% acids and esters (as amyl acetate)
≤0.5% water

evapn. residue

≤0.003%

refractive index

n20/D 1.406 (lit.)

pH

5.6 (20 °C, 25 g/L)

bp

130 °C (lit.)

mp

−117 °C (lit.)

density

0.809 g/mL at 25 °C (lit.)

SMILES string

CC(C)CCO

InChI

1S/C5H12O/c1-5(2)3-4-6/h5-6H,3-4H2,1-2H3

InChI key

PHTQWCKDNZKARW-UHFFFAOYSA-N

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General description

3-methyl-1-butanol is a clear, colorless alcohol. It is one of several isomers of amyl alcohol. It is commonly used as a solvent in various applications, such as inks, coatings, and pharmaceutical preparations.

Application

3-Methyl-1-butanol is used as a:
  • Dissolution of a wide range of organic compounds and is often employed for extraction, dilution, and preparation of samples for analysis.
  • Starting material or reagent in organic synthesis. It can be incorporated into various reactions to introduce the isoamyl group or alcohol functionality into target molecules.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

110.3 °F - closed cup

flash_point_c

43.5 °C - closed cup

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Mary J Dunlop et al.
Molecular systems biology, 7, 487-487 (2011-05-11)
Many compounds being considered as candidates for advanced biofuels are toxic to microorganisms. This introduces an undesirable trade-off when engineering metabolic pathways for biofuel production because the engineered microbes must balance production against survival. Cellular export systems, such as efflux
Kazushi Yoshida et al.
Nature communications, 3, 739-739 (2012-03-15)
The same odorant can induce attractive or repulsive responses depending on its concentration in various animals including humans. However, little is understood about the neuronal basis of this behavioural phenomenon. Here we show that Caenorhabditis elegans avoids high concentrations of
Frédéric Ravyts et al.
Food microbiology, 27(7), 945-954 (2010-08-07)
Differences in the production of bacterial metabolites with potential impact on fermented sausage flavour were found in meat simulation medium when comparing different strains of Staphylococcus xylosus and Staphylococcus carnosus as starter cultures. Overall, higher levels of 3-methyl-1-butanol and acetoin
Niels O Verhulst et al.
Malaria journal, 10, 28-28 (2011-02-10)
Anopheles gambiae sensu stricto is considered to be highly anthropophilic and volatiles of human origin provide essential cues during its host-seeking behaviour. A synthetic blend of three human-derived volatiles, ammonia, lactic acid and tetradecanoic acid, attracts A. gambiae. In addition
Silvio Zaina et al.
Circulation. Cardiovascular genetics, 7(5), 692-700 (2014-08-06)
Epigenetic alterations may contribute to the development of atherosclerosis. In particular, DNA methylation, a reversible and highly regulated DNA modification, could influence disease onset and progression because it functions as an effector for environmental influences, including diet and lifestyle, both
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