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39820 Sigma-Aldrich

2,3-Dimethyl-1-butene

purum, ≥98.0% (GC)

  • CAS Number 563-78-0

  • Linear Formula (CH3)2CHC(CH3)=CH2

  • Molecular Weight 84.16

  •  Beilstein Registry Number 505982

  •  EC Number 209-262-2

  •  MDL number MFCD00008923

  •  PubChem Substance ID 329755909

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Properties

Related Categories Acyclic, Alkenes, Building Blocks, Chemical Synthesis, Organic Building Blocks More...
vapor pressure   412 mmHg ( 37.7 °C)
InChI Key   OWWIWYDDISJUMY-UHFFFAOYSA-N
grade   purum
assay   ≥98.0% (GC)
autoignition temp.   680 °F
contains   ~0.05% 2,6-di-tert-butyl-4-methylphenol as stabilizer
refractive index   n20/D 1.389(lit.)
  n20/D 1.391
bp   56 °C(lit.)
mp   −158 °C(lit.)
density   0.68 g/mL at 25 °C(lit.)

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Other Notes

Same product — same quality — now Sigma-Aldrich brand

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3295BF 3 / PGII
WGK Germany 
3
Flash Point(F) 
-.4 °F
Flash Point(C) 
-18 °C
Protocols & Articles
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190403 2,3-Dimethyl-1-butene, 97%

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