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320048

Sigma-Aldrich

2-Methyl-1-propanol

ACS reagent, ≥99.0%

Synonym(s):

Isobutanol, Isobutyl alcohol

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About This Item

Linear Formula:
(CH3)2CHCH2OH
CAS Number:
78-83-1
Molecular Weight:
74.12
Beilstein:
1730878
EC Number:
201-148-0
MDL number:
MFCD00004740
UNSPSC Code:
12352001
PubChem Substance ID:
329753949
NACRES:
NA.21

grade

ACS reagent

vapor density

2.55 (vs air)

vapor pressure

8 mmHg ( 20 °C)
8.8 mmHg ( 0 °C)

Assay

≥99.0%

form

liquid

autoignition temp.

801 °F

expl. lim.

10.6 %

impurities

≤0.0005 meq/g Titr. acid
≤0.01% butyraldehyde
≤0.02% 2-butanone
≤0.1% water

evapn. residue

≤0.001%

color

APHA: ≤10

refractive index

n20/D 1.396 (lit.)

bp

108 °C (lit.)

mp

−108 °C (lit.)

density

0.803 g/mL at 25 °C (lit.)

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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Related Categories

Signal Word

Danger

Hazard Statements

H226,H315,H318,H335,H336

Hazard Classifications

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

Target Organs

Central nervous system, Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

82.4 °F - closed cup

Flash Point(C)

28 °C - closed cup

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