Description
Catalogue Number	101843
Synonyms	Methyl tert-butyl ether, MTB, MTBE
Description	tert-Butyl methyl ether
Overview	EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA® we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA®solvents provide adequate specifications with the most important parameters.

Product Information
CAS number	1634-04-4
EC index number	603-181-00-X
EC number	216-653-1
Hill Formula	C₅H₁₂O
Chemical formula	(CH₃)₃COCH₃
Molar Mass	88.15 g/mol
HS Code	2909 19 90
Structure formula Image

Applications
Application	tert-Butyl methyl ether EMPLURA®. CAS 1634-04-4, EC Number 216-653-1, chemical formula (CH₃)₃COCH₃.

Physicochemical Information
Boiling point	55.3 °C (1013 hPa)
Density	0.74 g/cm3 (20 °C)
Explosion limit	1.5 - 8.5 %(V)
Flash point	-28 °C
Ignition temperature	460 °C
Melting Point	-108.6 °C
Vapor pressure	268 hPa (20 °C)
Viscosity kinematic	0.464 mm2/s (20 °C)
Solubility	42 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 2000 mg/kg
LD 50 dermal	LD50 Rabbit > 2000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H225: Highly flammable liquid and vapour. H315: Causes skin irritation.
Precautionary Statement(s)	P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P240: Ground/bond container and receiving equipment. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
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
Hazard Symbols	Irritant Flammable
Categories of danger	highly flammable, irritant
R Phrase	R 11-38 Highly flammable.Irritating to skin.
S Phrase	S 16 Keep away from sources of ignition - No smoking.

Storage and Shipping Information
Storage	Store at +2°C to +25°C.

Transport Information
Declaration (railroad and road) ADR, RID	UN 2398 , 3, II
Declaration (transport by air) IATA-DGR	UN 2398 , 3, II
Declaration (transport by sea) IMDG-Code	UN 2398 , 3, II

Specifications
Purity (GC)	≥ 99.0 %
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 %

Taksit Seçenekleri

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MERCK 101843 tert-Butyl methyl ether EMPLURA. CAS 1634-04-4, EC Number 216-653-1, chemical formula (CH₃)₃COCH₃.

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