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309435

Sigma-Aldrich

3-Methyl-1-butanol

anhydrous, ≥99%

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:
1718835
EC Number:
204-633-5
MDL number:
MFCD00002934
UNSPSC Code:
12352001
PubChem Substance ID:
57648492
NACRES:
NA.21

grade

anhydrous

Quality Level

100

vapor density

3 (vs air)

vapor pressure

2 mmHg ( 20 °C)

Assay

≥99%

form

liquid

autoignition temp.

644 °F

expl. lim.

1.2-9 %, 100 °F

impurities

<0.003% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0005%

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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Application

3-Methyl-1-butanol may be used as a solvent in the preparation of ac-tetrahydro-β-naphthylamine from β-naphthylamine via reduction using sodium.

Signal Word

Danger

Hazard Statements

H226,H315,H318,H332,H335

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 2 petroleums
Hazardous rank III
Water insoluble liquid

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

309435-2L:4548173133027
309435-900ML:
309435-1L:4548173133010
309435-VAR:
309435-BULK:
309435-6X1L:4548173255347
309435-100ML:4548173133003

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS1977
SHBS2039
SHBR4971
SHBS1740
SHBR4904

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Waser EBH and Mollering H
Organic Syntheses, 9, 84-84 (1929)
Identification of aroma compounds in Chinese 'Yanghe Daqu'liquor by normal phase chromatography fractionation followed by gas chromatography [sol] olfactometry.
Fan W and Qian MC.
Flavour and Fragrance Journal, 21(2), 333-342 (2006)
Aroma perception of individual volatile compounds in fresh tomatoes (Lycopersicon esculentum, Mill.) as affected by the medium of evaluation.
Tandon KS, et al.
Postharvest biology and technology, 20(3), 261-268 (2000)
Michael R Connor et al.
Applied and environmental microbiology, 74(18), 5769-5775 (2008-08-05)
3-Methyl-1-butanol is a potential fuel additive or substitute. Previously this compound was identified in small quantities in yeast fermentation as one of the fusel alcohols. In this work, we engineered an Escherichia coli strain to produce 3-methyl-1-butanol from glucose via
Yan Xu et al.
Journal of agricultural and food chemistry, 55(8), 3051-3057 (2007-03-16)
The aroma-active compounds in two apple ciders were identified using gas chromatography-olfactometry (GC-O) and GC-mass spectrometry (MS) techniques. The volatile compounds were extracted using solvent-assisted flavor evaporation (SAFE) and headspace solid-phase microextraction (HS-SPME). On the basis of odor intensity, the
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