Merck
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W217905

Sigma-Aldrich

Isobutyl alcohol

≥99%, FCC, FG

Synonym(s):
2-Methyl-1-propanol, Isobutanol, Isobutyl alcohol
Linear Formula:
(CH3)2CHCH2OH
CAS Number:
Molecular Weight:
74.12
FEMA Number:
2179
Beilstein:
1730878
EC Number:
Council of Europe no.:
49
MDL number:
PubChem Substance ID:
Flavis number:
2.001
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Halal
Kosher

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FCC
FDA 21 CFR 117
FDA 21 CFR 172.515

vapor density

2.55 (vs air)

vapor pressure

8 mmHg ( 20 °C)
8.8 mmHg ( 0 °C)

Assay

≥99%

form

liquid

autoignition temp.

801 °F

expl. lim.

10.6 %

refractive index

n20/D 1.396 (lit.)

bp

108 °C (lit.)

mp

−108 °C (lit.)

density

0.803 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

Organoleptic

ethereal; wine-like

SMILES string

CC(C)CO

InChI

1S/C4H10O/c1-4(2)3-5/h4-5H,3H2,1-2H3

InChI key

ZXEKIIBDNHEJCQ-UHFFFAOYSA-N

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W2179131.00984538132
Isobutyl alcohol ≥99%, FCC, FG

Sigma-Aldrich

W217905

Isobutyl alcohol

Isobutyl alcohol natural, ≥99%, FCC, FG

Sigma-Aldrich

W217913

Isobutyl alcohol

Isobutanol for analysis EMSURE® ACS,Reag. Ph Eur

Supelco

1.00984

Isobutanol

2-Methyl-1-propanol 99.5%

Sigma-Aldrich

538132

2-Methyl-1-propanol

biological source

synthetic

biological source

-

biological source

-

biological source

-

grade

FG, Fragrance grade, Halal, Kosher

grade

FG, Fragrance grade, Halal, Kosher, natural

grade

ACS reagent

grade

-

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

follows IFRA guidelines, meets purity specifications of JECFA

agency

reag. Ph. Eur.

agency

-

vapor density

2.55 (vs air)

vapor density

2.55 (vs air)

vapor density

-

vapor density

2.55 (vs air)

assay

≥99%

assay

≥99%

assay

≥99% (GC)

assay

99.5%

refractive index

n20/D 1.396 (lit.)

refractive index

n20/D 1.396 (lit.)

refractive index

n15/D 1.397-1.399

refractive index

n20/D 1.396 (lit.)

General description

Isobutyl alcohol is a water-soluble aliphatic alcohol that can be used as a flavoring agent. It has been identified as one of the aroma/flavor compounds produced by Saccharomyces cerevisiae during the semi-aerobic fermentation of grapes to form wine.

Signal Word

Danger

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

82.4 °F - closed cup

Flash Point(C)

28 °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

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

W217905-20KG-K:4.548173283302E12
W217905-2KG-K:4.548173283326E12
W217905-8KG-K:4.54817328334E12


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