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20256 Sigma-Aldrich

tert-Butyl methyl ether

puriss. p.a., ≥99.5% (GC)

Synonym: MTBE, Methyl tert-butyl ether

  • CAS Number 1634-04-4

  • Linear Formula (CH3)3COCH3

  • Molecular Weight 88.15

  •  Beilstein/REAXYS Number 1730942

  •  EC Number 216-653-1

  •  MDL number MFCD00008812

  •  PubChem Substance ID 329751997

  •  NACRES NA.07

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Properties

Related Categories A-B, Puriss p.a., Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Puriss p.a. More...
Quality Level   100
vapor density   3.1 (vs air)
vapor pressure   4.05 psi
grade   puriss. p.a.
assay   ≥99.5% (GC)
autoignition temp.   705 °F
expl. lim.   15.1 %
impurities   ≤0.0005% peroxides (as H2O2)
  ≤0.005% free acid (as CH3COOH)
  ≤0.05% water
evapn. residue   ≤0.005%
refractive index   n20/D 1.362-1.376
  n20/D 1.369 (lit.)
bp   55-56 °C (lit.)
mp   -110 °C
density   0.736-0.744 g/mL at 20 °C
  0.74 g/mL at 25 °C (lit.)
cation traces   Al: ≤0.5 mg/kg
  Ba: ≤0.1 mg/kg
  Bi: ≤0.1 mg/kg
  Ca: ≤0.5 mg/kg
  Cd: ≤0.05 mg/kg
  Co: ≤0.02 mg/kg
  Cr: ≤0.02 mg/kg
  Cu: ≤0.02 mg/kg
  Fe: ≤0.1 mg/kg
  K: ≤0.5 mg/kg
  Li: ≤0.1 mg/kg
  Mg: ≤0.1 mg/kg
  Mn: ≤0.02 mg/kg
  Mo: ≤0.1 mg/kg
  Na: ≤0.5 mg/kg
  Ni: ≤0.02 mg/kg
  Pb: ≤0.1 mg/kg
  Sr: ≤0.1 mg/kg
  Zn: ≤0.1 mg/kg
SMILES string   COC(C)(C)C
InChI   1S/C5H12O/c1-5(2,3)6-4/h1-4H3
InChI key   BZLVMXJERCGZMT-UHFFFAOYSA-N
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2398 3 / PGII
WGK Germany 
WGK 1
RTECS 
KN5250000
Flash Point(F) 
-18.4 °F - closed cup
Flash Point(C) 
-28 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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