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LC1020 tert-Butyl methyl ether

extra pure


Order number Packaging Quantity Price €
AC28020 Glass bottle 2.5 l 30.6
AC28020 Drum stainl. st. 10 l 142.2
AC28020 Drum stainl. st. 25 l Inquire
AC28020 Drum stainl. st. 190 l Inquire
AC28020 Steel barrel 200 l Inquire


Product information
Synonyms Methyl tert-butyl ether, MTB, MTBE
Hill Formula C5H12O
Chemical formula (CH3)3COCH3
HS Code 2909 19 90
EC number 216-653-1
Molar mass 88.15 g/mol
EC index number 603-181-00-X
CAS number 1634-04-4


Chemical and physical data
Ignition temperature 460 °C
Solubility 42 g/l (20 °C)
Melting point -108.6 °C
Molar mass 88.15 g/mol
Density 0.74 g/cm3 (20 °C)
pH value (H2O) not applicable
Boiling point 55.3 °C (1013 hPa)
Vapor pressure 268 hPa (20 °C)
Explosion limit 1.5 – 8.5 %(V)
Flash point -28 °C
Refractive index 1.3756 (20 °C, 589 nm)


Safety information according to GHS
Hazard Statement(s) H225: Highly flammable liquid and vapour.
H315: Causes skin irritation.
Precautionary Statement(s) P210: Keep away from heat/sparks/open flames/hot surfaces. – No smoking.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
Signal Word Danger
Hazard Pictogram(s)
RTECS KN5250000
Storage class 3 Flammable Liquids
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.


Safety information according to GHS
R Phrase R 11-38
Highly flammable.Irritating to skin.
S Phrase S 9-16-24
Keep container in a well-ventilated place.Keep away from sources of ignition – No smoking.Avoid contact with skin.
Categories of danger highly flammable, irritant
Hazard Symbol



Transport information
Declaration (transport by sea) IMDG-Code UN 2398 METHYL BUTYL ETHER, 3, II
Declaration (transport by air) IATA-DGR UN 2398 METHYL TERT-BUTYL ETHER, 3, II


Toxicological data
LD 50 oral LD50 rat > 2000 mg/kg
LD 50 dermal LD50 rabbit > 2000 mg/kg


Purity (GC) ≥ 99 %
Identity (IR) conforms
Free acid (as CH3COOH) ≤ 0.001 %
Density (d 20 °C/ 4 °C) 0.740 – 0.742
Peroxide (as H2O2) ≤ 0.005 %
Evaporation residue ≤ 0.005 %
Water ≤ 0.05 %


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