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320021

Sigma-Aldrich

3-Methyl-1-butanol

ACS reagent, ≥98.5%

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Synonym(s):
Isoamyl alcohol, Isopentyl alcohol
Linear Formula:
(CH3)2CHCH2CH2OH
CAS Number:
Molecular Weight:
88.15
Beilstein:
1718835
EC Number:
MDL number:
PubChem Substance ID:
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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1 of 4

This Item
I939230943559092
3-Methyl-1-butanol ACS reagent, ≥98.5%

Sigma-Aldrich

320021

3-Methyl-1-butanol

Essential Grade
3-Methylbutanol BioReagent, for molecular biology, ≥98.5%

Sigma-Aldrich

I9392

3-Methylbutanol

-
3-Methyl-1-butanol anhydrous, ≥99%

Sigma-Aldrich

309435

3-Methyl-1-butanol

-
3-Methylbutanol analytical standard

Supelco

59092

3-Methylbutanol

-
vapor density

3 (vs air)

vapor density

-

vapor density

3 (vs air)

vapor density

-

vapor pressure

2 mmHg ( 20 °C)

vapor pressure

-

vapor pressure

2 mmHg ( 20 °C)

vapor pressure

-

assay

≥98.5%

assay

≥98.5%

assay

≥99%

assay

≥99.8% (GC)

form

liquid

form

liquid

form

liquid

form

-

autoignition temp.

644 °F

autoignition temp.

-

autoignition temp.

644 °F

autoignition temp.

-

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.

Signal Word

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 Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

110.3 °F - closed cup

Flash Point(C)

43.5 °C - closed cup


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Sigma-Aldrich

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Isopentyl acetate

Isopentyl acetate analytical standard

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Isopentyl acetate

Journal of AOAC International
Kim HM, et al.
Journal of AOAC (Association of Official Analytical Chemists) International, 100(5), 1492-1499 (2017)
Pentanol isomer synthesis in engineered microorganisms
Cann AF,et al.
Applied Microbiology and Biotechnology, 85, 893-899 (2010)
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
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

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