tert-Butyl methyl ether manufacturers and suppliers

tert-Butyl methyl ether suppliers

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.)

Flash point:: -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℃

Surface tension: 18.7mN/m at 293.15K

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

Symbol(GHS): GHS02,GHS07

Signal word: Danger

Hazard statements: H225-H315

Precautionary statements: P210-P233-P240-P241-P242-P303+P361+P353

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)

Use

More than 95 % of tert-Butyl methyl ether(MTBE) produced are used in the gasoline pool. In addition to many other favorable characteristics, the current importance of MTBE is based primarily on its exceptionally good octane-enhancing properties when used as a gasoline blendstock. tert-Butyl methyl ether is also used in the petrochemical industry. By reversal of its formation reaction, MTBE can be cracked to isobutene and methanol on acidic catalysts at higher temperature than MTBE synthesis.

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