Substance
ID:716749
Names and Identifiers
IUPAC name
3,3-dimethylbut-1-yne
IUPAC Traditional name
1-butyne, 3,3-dimethyl-
Synonyms
tert-Butylacetylene3,3-Dimethyl-1-butyne3,3-二甲基-1-丁炔
Registration numbers
CAS Number
MDL Number
Beilstein Number
EC Number
Properties
Safety Information
European Hazard Symbols
Flammable (F)
Harmful (X)UN Number
UN3295
Safety Statements
3/7-9-16-29-33-62
Hazard Class
3
TSCA Listed
否
Packing Group
II
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
Risk Statements
11-65
GHS Hazard statements
H225-H304
GHS Precautionary statements
P210-P233-P273-P301+P330+P331-P315-P403+P235
Product Information
Purity
98%
Physical Property
Refractive Index
1.3745
Melting Point
-78°C
Flash Point
<-34°C(-29°F)
Boiling Point
37-38°C
Density
0.671
Molecule Details
No Data Available
Click here to submit data
Molecular Spectra
No Data Available
Click here to submit data
References
• 1-Alkynes react with Schwartz's reagent, (Bis(cyclopentadienyl)zirconium hydridochloride, L15164), to give vinyl zirconium complexes, which undergo conjugate addition to enones in the presence of a nickel catalyst: J. Am. Chem. Soc., 99, 8045 (1977):
