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Tert-Butyl Methyl Ether CAS# 1634-04-4

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Chemical Name：Tert-Butyl Methyl Ether

CAS No.: 1634-04-4

Molecular Formula：C5H12O

Molecular weight:88.15

Sample: Available

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Product Details

Tert-Butyl Methyl Ether CAS# 1634-04-4

Methyl tert-butyl ether (MTBE) is a colorless liquid with a distinctive, unpleasant odor. It is made from mixing chemical substances such as isobutylene and methanol, and has been used considering the fact that the Nineteen Eighties as an additive for unleaded gasolines to obtain extra environment friendly burning.MTBE is additionally used to dissolve gallstones. Patients handled in this way have MTBE delivered at once to their gall bladders via unique tubes that are surgically inserted.

Tert-Butyl Methyl Ether CAS# 1634-04-4

tert-Butyl methyl ether Chemical Properties

Melting point	-110 °C
Boiling point	55-56 °C(lit.)
density	0.7404
vapor density	3.1 (vs air)
vapor pressure	4.05 psi ( 20 °C)
refractive index	n20/D 1.369(lit.)
Fp	-27 °F
storage temp.	Store at +2°C to +25°C.
solubility	42g/l
form	Powder or Needles
color	APHA: ≤10
Specific Gravity	0.740
Odor	Characteristic ethereal odor
Relative polarity	0.124
explosive limit	1.5-8.5%(V)
Water Solubility	51 g/L (20 ºC)
FreezingPoint	-108.6℃
λmax	λ: 210 nm Amax: 1.0 λ: 225 nm Amax: 0.50 λ: 250 nm Amax: 0.10 λ: 300-400 nm Amax: 0.005
Merck	14,6032
BRN	1730942
Exposure limits	ACGIH: TWA 50 ppm
Dielectric constant	4.5
Stability:	Stable, but may form explosive peroxides in contact with air. Extremely flammable - note low flash point. Incompatible with strong oxidizing agents.
InChIKey	BZLVMXJERCGZMT-UHFFFAOYSA-N
LogP	1.06 at 20℃
CAS DataBase Reference	1634-04-4(CAS DataBase Reference)
IARC	3 (Vol. 73) 1999
NIST Chemistry Reference	Propane, 2-methoxy-2-methyl-(1634-04-4)
EPA Substance Registry System	Methyl tert-butyl ether (1634-04-4)

Safety Information

Hazard Codes	Xn,F,Xi,T
Risk Statements	36/37/38-40-38-11-39/23/24/25-23/24/25
Safety Statements	9-16-24-45-36/37-7
RIDADR	UN 2398 3/PG 2
WGK Germany	3
RTECS	KN5250000
F	3-10
Autoignition Temperature	705 °F
TSCA	Yes
HS Code	2909 19 90
HazardClass	3
PackingGroup	II
Hazardous Substances Data	1634-04-4(Hazardous Substances Data)
Toxicity	. LC50 in mice (15 min): 1.6 mmol/liter of atmosphere (Marsh)

Product Usage

Methyl tert-butyl ether (MTBE) used to be especially used as a gas additive in unleaded gas in the United States prior to 2005, in the manufacture of isobutene, and as a chromatographic eluent specially in excessive stress liquid chromatography. It is additionally a pharmaceutical agent and can be injected into the gallbladder to dissolve gallstones (ATSDR, 1996). tert-Butyl methyl ether is additionally used in the petrochemical industry. By reversal of its formation reaction, MTBE can be cracked to isobutene and methanol on acidic catalysts at greater temperature than MTBE synthesis.

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