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675407 Sigma-Aldrich

tert-Butyl methyl ether

HPLC Plus, for HPLC, GC, and residue analysis, 99.9%

Synonym: MTBE, Methyl tert-butyl ether

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Properties

grade   HPLC Plus
  for GC
  for HPLC
  for residue analysis
vapor density   3.1 (vs air)
InChI Key   BZLVMXJERCGZMT-UHFFFAOYSA-N
assay   99.9%
autoignition temp.   705 °F
expl. lim.   15.1 %
impurities   ≤0.02% Water
evapn. residue   ≤0.0001%
refractive index   n20/D 1.369(lit.)
bp   55-56 °C(lit.)
density   0.74 g/mL at 25 °C(lit.)
UV absorption   λ: 210 nm Amax: ≤1.00
  λ: 225 nm Amax: ≤0.50
  λ: 250 nm Amax: ≤0.10
  λ: 300 nm Amax: ≤0.005
  λ: 400 nm Amax: ≤0.005

Description

Packaging

4, 4×4 L in PVC-coated bottle

General description

tert-Butyl methyl ether (MTBE) is a commonly used organic solvent. It can be synthesized by acid-catalyzed reaction between methanol and isobutene. It is an effective alternate to lead-containing additives for enhancing the octane rating of gasoline. The decomposition mechanism of MTBE by heat-assisted persulfate oxidation under different conditions has been reported. A study suggests that the addition of MTBE increases the number of active sites during polymerization of propene by the stopped-flow method.

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2398 3 / PGII
WGK Germany 
1
RTECS 
KN5250000
Flash Point(F) 
-27.4 °F
Flash Point(C) 
-33 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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