1.01849

Supelco

tert-Butyl methyl ether

for analysis EMSURE® ACS

Synonym(s):
Methyl tert-butyl ether, MTB, MTBE, tert-Butyl methyl ether
Linear Formula:
(CH3)3COCH3
CAS Number:
Molecular Weight:
88.15
MDL number:
EC Index Number:
216-653-1

storage conditions

Store at +2°C to +25°C.

Quality Level

grade

ACS reagent

vapor pressure

268 hPa ( 20 °C)

assay

≥99.5% (GC)

form

liquid

autoignition temp.

460 °C

potency

>2000 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

expl. lim.

1.5-8.5 % (v/v)

impurities

≤0.000002% B (Boron)
≤0.000002% Co (Cobalt)
≤0.000005% Cd (Cadmium)
≤0.00001% Ba (Barium)
≤0.00005% Al (Aluminium)
≤0.00005% Ca (Calcium)
≤0.0005 meq/g Acidity

kinematic viscosity

0.464 cSt(20 °C)

bp

55.3 °C/1013 hPa

mp

-108.6 °C

transition temp

flash point -28 °C

density

0.74 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

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

InChI key

BZLVMXJERCGZMT-UHFFFAOYSA-N

Related Categories

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Color: ≤ 10 Hazen
Acidity: ≤ 0.0005 meq/g
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Peroxide (as H₂O₂): ≤ 0.0001 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.03 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

hazcat

Flam. Liq. 2 - Skin Irrit. 2

storage_class_code

3 - Flammable liquids

WGK Germany

WGK 1

Flash Point(F)

-18.4 °F - closed cup

Flash Point(C)

-28 °C - closed cup

Certificate of Analysis

Certificate of Origin

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