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W205710

Sigma-Aldrich

Isoamyl alcohol

greener alternative

natural, ≥98%, FG

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Synonym(s):
3-Methyl-1-butanol, Isoamyl alcohol, Isopentyl alcohol
Linear Formula:
(CH3)2CHCH2CH2OH
CAS Number:
Molecular Weight:
88.15
FEMA Number:
2057
Beilstein:
1718835
EC Number:
Council of Europe no.:
51
MDL number:
PubChem Substance ID:
Flavis number:
2.003
NACRES:
NA.21

grade

FG
Fragrance grade
Halal
Kosher
natural

Quality Level

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 117

vapor density

3 (vs air)

vapor pressure

2 mmHg ( 20 °C)

Assay

≥98%

form

liquid

autoignition temp.

644 °F

expl. lim.

1.2-9 %, 100 °F

greener alternative product characteristics

Less Hazardous Chemical Syntheses
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.

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.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

greener alternative category

Organoleptic

banana; oily; fruity; whiskey

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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This Item
W205702AX1440PHR2337
Isoamyl alcohol natural, ≥98%, FG

Sigma-Aldrich

W205710

Isoamyl alcohol

Isoamyl alcohol ≥98%, FG

Sigma-Aldrich

W205702

Isoamyl alcohol

Isoamyl Alcohol Meets ACS Specifications GR ACS

Supelco

AX1440

Isoamyl Alcohol

3-Methyl-1-butanol certified reference material, pharmaceutical secondary standard

Supelco

PHR2337

3-Methyl-1-butanol

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

meets purity specifications of JECFA

agency

-

agency

traceable to USP 1424153

vapor density

3 (vs air)

vapor density

3 (vs air)

vapor density

3 (vs air)

vapor density

3 (vs air)

assay

≥98%

assay

≥98%

assay

≥98.5% (corrected for water content, GC)

assay

-

refractive index

n20/D 1.406 (lit.)

refractive index

n20/D 1.406 (lit.)

refractive index

n20/D 1.406 (lit.)

refractive index

n20/D 1.406 (lit.)

bp

130 °C (lit.)

bp

130 °C (lit.)

bp

130 °C (lit.)

bp

130 °C (lit.)

General description

Isoamyl alcohol is a cyanobacterial volatile organic compound that has been identified as one of the main aroma/flavor constituents in banana fruit, karanda fruit and in whey spirit.
We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product is a Biobased products, showing key improvements in Green Chemistry Principles “Less Hazardous Chemical Syntheses” and “Use of Renewable Feedstock”. Click here to view its Biobased natural statement.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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T1503
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25G
Pack Size/Quantity

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Analytical aspects of cyanobacterial volatile organic compounds for investigation of their production behavior.
Fujise D, et al
Journal of Chromatography A, 1217(39), 6122-6125 (2010)
Characterisation of volatile compounds in an alcoholic beverage produced by whey fermentation.
Dragone G, et al.
Food Chemistry, 112(4), 929-935 (2009)
L-leucine as a precursor of isoamyl alcohol and isoamyl acetate, volatile aroma constituents of banana fruit discs
Myers MJ, et al.
Phytochemistry, 9(8), 1693-1700 (1970)
Volatile flavor constituents of Karanda (Carissa carandas L.) fruit.
Pino JA, et al.
J. Essent. Oil Res., 16(5), 432-434 (2004)
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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