Tert-Butyl methyl ether CAS#1634-04-4

Tert-Butyl methyl ether CAS#1634-04-4

Tert-Butyl methyl ether CAS#1634-04-4

Effective Gasoline Additive: Used as an additive in unleaded gasoline to support cleaner and more environmentally friendly combustion.


Colorless Liquid Form:Available as a colorless liquid with distinctive physical characteristics, making it convenient for industrial handling and processing.


Versatile Chemical Applications:Produced from chemical raw materials such as isobutylene and methanol, supporting its use in different chemical applications.


Specialized Medical Application:Can be used in the dissolution of gallstones through direct delivery to the gallbladder in specialized medical procedures.

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Rigorous quality control and full regulatory compliance assured.

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Product Description

Product Description-Tert-Butyl methyl ether CAS#1634-04-4


Methyl tert-butyl ether (MTBE) is a colorless liquid with a characteristic disagreeable odor, synthesized from isobutylene and methanol. Since the 1980s, it has served as an unleaded gasoline additive for cleaner combustion. MTBE can also dissolve gallstones by direct perfusion into the gallbladder via surgically placed catheters.

Product Applications-Tert-Butyl methyl ether CAS#1634-04-4


Before 2005, methyl tert-butyl ether (MTBE) was extensively applied as an unleaded gasoline additive in the US. It acts as a chromatographic eluent, especially for HPLC, and can be cracked over acidic catalysts at elevated temperatures to yield isobutene and methanol via reverse synthesis reaction for petrochemical production. Medicinally, MTBE may be infused into the gallbladder to dissolve gallstones.

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Product Data

Chemical Properties-Tert-Butyl methyl ether CAS#1634-04-4



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

0.74

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

146032

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-Tert-Butyl methyl ether CAS#1634-04-4



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

46091

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)


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