Merck 101843 tert-Butyl methyl ether EMPLURA® CAS No.: 1634-04-4 2.5 L

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Solventler

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MERCK

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LB.M.101843.2500

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Synonyms: Methyl tert-butyl ether, MTB, MTBE CAS No: 1634-04-4 EC Number: 216-653-1 Molar Mass: 88.15 g/mol Chemical Formula: (CH₃)₃COCH₃ Hill Formula: C₅H₁₂O

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Merck 101843 tert-Butyl methyl ether EMPLURA® 2.5 L
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.

Merck 101843 tert-Butyl methyl ether EMPLURA®

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
Quality Level	MQ200

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	330 hPa (25 °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. P233: Keep container tightly closed. P240: Ground and bond container and receiving equipment. P241: Use explosion-proof electrical/ ventilating/ lighting equipment. P242: Use non-sparking tools. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P403 + P233: Store in a well-ventilated place. Keep container tightly closed.
Signal Word	Danger
RTECS	KN5250000
Storage class	3 Flammable liquids
WGK	WGK 1 slightly hazardous to water
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
Categories of danger	highly flammable, irritant

Storage and Shipping Information
Storage	Store at +2 °C to +30 °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 %

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