Substance
ID:716181
Names and Identifiers
IUPAC name
2,3-dimethylbut-2-ene
IUPAC Traditional name
2,3-dimethyl-2-butene
Synonyms
Tetramethylethylene2,3-Dimethyl-2-butene四甲基乙烯
Registration numbers
CAS Number
EC Number
Beilstein Number
MDL Number
Properties
Physical Property
Boiling Point
72-73°C
Flash Point
-17°C(1°F)
Refractive Index
1.4120
Density
0.705
Melting Point
-75°C
Safety Information
Risk Statements
11-65
GHS Pictograms
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
Respiratory sensitization, category 1
Germ cell mutagenicity, categories 1A,1B,2
Carcinogenicity, categories 1A,1B,2
Reproductive toxicity, categories 1A,1B,2
Specific Target Organ Toxicity – Single exposure, categories 1,2
Specific Target Organ Toxicity – Repeated exposure, categories 1,2
Aspiration Hazard, category 1
European Hazard Symbols
Flammable (F)
Harmful (X)GHS Precautionary statements
P210-P241-P301+P310-P303+P361+P353-P405-P501A
Storage Warning
Air Sensitive
Safety Statements
9-16-29-33-62
GHS Hazard statements
H225-H304
UN Number
UN3295
Hazard Class
3
TSCA Listed
是
Packing Group
II
Product Information
Purity
97%
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• Precursor of the sterically hindered hydroborating reagent, "thexylborane", introduced by Brown: J. Am. Chem. Soc., 94, 3561 (1972). For review of its chemistry, see: Synthesis, 77 (1974). This reagent should be freshly prepared since it rearranges on standing to 2,3-dimethyl-1-butylborane.