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721123

Sigma-Aldrich

2-Methyl-2-butanol

anhydrous, ≥99%

Synonym(s):
tert-Amyl alcohol, tert-Pentyl alcohol
Linear Formula:
CH3CH2C(CH3)2OH
CAS Number:
Molecular Weight:
88.15
Beilstein:
1361351
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

vapor density

3 (vs air)

assay

≥99%

form

liquid

autoignition temp.

819 °F

expl. lim.

9 %

impurities

≤0.003% water (Karl Fischer, all unit sizes greater than 100 mL)
≤0.005% water (100 mL pkg)

evapn. residue

≤0.0005%

refractive index

n20/D 1.405 (lit.)

pH

6.0 (20 °C, 118 g/L)

bp

102 °C (lit.)

mp

−12 °C (lit.)

density

0.805 g/mL at 25 °C (lit.)

SMILES string

CCC(C)(C)O

InChI

1S/C5H12O/c1-4-5(2,3)6/h6H,4H2,1-3H3

InChI key

MSXVEPNJUHWQHW-UHFFFAOYSA-N

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Packaging

100 mL in Sure/Seal™
1 L in Sure/Seal™

Application

tert-Amyl alcohol is useful as organic solvent[1][2] chemical intermediates[3] for gasoline fuel additives[4], food flavor[5], pharmaceutical[6][7] peroxy esters, ink composition, and stabilizer in rubber productions.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

68.9 °F - closed cup

Flash Point(C)

20.5 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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