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: 2023-04-26 18:10:28
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 | n |
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) |
Flame Flammables GHS02 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
New Products
6-Bromo 2-Iodo Indole Pyridine 2,4,6-Tricarboxaldehyde Fosfomycin EP impurity D Rimegepant Impurity 3 Ivermectin EP Impurity B Tubulysin I Tubulysin H Tubulysin B Tubulysin D Diethyl Aluminium Cyanide (1.0 M in Toluene) Calcium Sodium Phosphosilicate IH 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol Fuel shell Imeglimin Hydrochloride IH 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile 2-Ethoxy-4-nitrobenzoic acid Methyl 4-amino-3-(piperidin-1-yl)benzoate (S)-Methyl 2-((tert-butoxycarbonyl)amino)-3-((S)-2-oxopyrrolidin-3-yl)propanoate 4,7-Dibromobenzo[c][1,2,5]thiadiazole-5,6-diamine 2-Chloro-3-(chloromethyl)pyridine 3,6-Bis(4-iodophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione (1S)-1,5-Anhydro-1-C-[4-chloro-3-[[4-[[(3S)-tetrahydro-3-furanyl]oxy]phenyl]methyl]phenyl]-D-glucito 2-(Tert-butoxycarbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acidRelated products of tetrahydrofuran
Maleic anhydride
Dimethyl carbonate
ETHANE
Maleic acid
2-Methyl-2-butene
Dimethyl sebacate
Fumaric acid
3-SULFOLENE
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