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20256

Sigma-Aldrich

tert-Butyl methyl ether

puriss. p.a., ≥99.5% (GC)

Synonym(s):
MTBE, Methyl tert-butyl ether
Linear Formula:
(CH3)3COCH3
CAS Number:
Molecular Weight:
88.15
Beilstein:
1730942
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.07

vapor density

3.1 (vs air)

Quality Level

vapor pressure

4.05 psi

grade

puriss. p.a.

assay

≥99.5% (GC)

form

liquid

autoignition temp.

705 °F

expl. lim.

15.1 %

impurities

≤0.0005% peroxides (as H2O2)
≤0.005% free acid (as CH3COOH)
≤0.05% water

evapn. residue

≤0.005%

refractive index

n20/D 1.362-1.376
n20/D 1.369 (lit.)

bp

55-56 °C (lit.)

mp

-110 °C

density

0.736-0.744 g/mL at 20 °C
0.74 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg
Ba: ≤0.1 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.5 mg/kg
Li: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.1 mg/kg
Na: ≤0.5 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sr: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

SMILES string

COC(C)(C)C

InChI

1S/C5H12O/c1-5(2,3)6-4/h1-4H3

InChI key

BZLVMXJERCGZMT-UHFFFAOYSA-N

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Related Categories

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Liq. 2 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-18.4 °F - closed cup

Flash Point(C)

-28 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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