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HomeProduct name list2,3-Dimethyl-2-butene

2,3-Dimethyl-2-butene

Synonym(s):Tetramethylethylene

  • CAS NO.:563-79-1
  • Empirical Formula: C6H12
  • Molecular Weight: 84.16
  • MDL number: MFCD00008897
  • EINECS: 209-263-8
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:30
2,3-Dimethyl-2-butene Structural

What is 2,3-Dimethyl-2-butene?

Chemical properties

colourless liquid

The Uses of 2,3-Dimethyl-2-butene

2,3-Dimethyl-2-butene was used in the preparation of thexyl NHC-borane (diMe-Imd-BH2thexyl).

General Description

2,3-Dimethyl-2-butene undergoes hydrolysis to form hydroxyl radical.

Purification Methods

Purify it by GLC on a column of 20% squalene on chromosorb P at 50o [Flowers & Rabinovitch J Phys Chem 89 563 1985]. Also wash it with 1M NaOH solution followed by H2O. Dry it over Na2SO4, distil it over powdered KOH under nitrogen and pass it through activated alumina before use. [Woon et al. J Am Chem Soc 108 7990 1986, Wong et al. J Am Chem Soc 109 3428 1987, Beilstein 1 IV 853.]

Properties of 2,3-Dimethyl-2-butene

Melting point: -75 °C (lit.)
Boiling point: 73 °C (lit.)
Density  0.708 g/mL at 25 °C (lit.)
vapor pressure  215 mm Hg ( 37.7 °C)
refractive index  n20/D 1.412(lit.)
Flash point: 2 °F
storage temp.  2-8°C
solubility  0.071g/l
form  Liquid
color  Clear colorless to slightly yellow
Specific Gravity 0.708
explosive limit 1.2%(V)
Water Solubility  Soluble in water (0.071 g/L)
Sensitive  Air Sensitive
BRN  1361357
Stability: Stable. Highly flammable - readily forms explosive mixtures with air. Note low flash point. Incompatible with strong acids, strong oxidizing agents, peroxy compounds.
CAS DataBase Reference 563-79-1(CAS DataBase Reference)
NIST Chemistry Reference 2-Butene, 2,3-dimethyl-(563-79-1)
EPA Substance Registry System 2-Butene, 2,3-dimethyl- (563-79-1)

Safety information for 2,3-Dimethyl-2-butene

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Health Hazard
GHS08
GHS Hazard Statements H225:Flammable liquids
H304:Aspiration hazard
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

Computed Descriptors for 2,3-Dimethyl-2-butene

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