Substance
ID:354240
Names and Identifiers
IUPAC name
3,3-dimethylbut-1-yne
IUPAC Traditional name
1-butyne, 3,3-dimethyl-
Synonyms
tert-Butylacetylene叔丁基乙炔3,3-Dimethyl-1-butyne3,3-二甲基-1-丁炔
Registration numbers
CAS Number
MDL Number
Beilstein Number
EC Number
PubChem SID
Properties
Safety Information
European Hazard Symbols
Irritant (Xi)
Highly flammable (F+)Risk Statements
12-36/37/38
UN Number
3295
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
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
Packing Group
2
RID/ADR
UN 3295 3/PG 2
GHS Hazard statements
H224-H315-H319-H335
German water hazard class
3
GHS Signal Word
Danger
Personal Protective Equipment
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
Safety Statements
3-7/9-16-26-33
Storage Temperature
2-8°C
MSDS Link
GHS Precautionary statements
P210-P261-P305+P351+P338
Hazard Class
3
Product Information
Linear Formula
(CH3)3CC≡CH
Purity
≥90% (GC)
Grade
technical
Physical Property
Density
0.667 g/mL at 25 °C(lit.)
Melting Point
-78 °C(lit.)
Vapor Pressure
7.88 psi ( 20 °C)
Refractive Index
n20/D 1.374
n20/D 1.374(lit.)
Flash Point
-13 °F
-25 °C
Boiling Point
37-38 °C(lit.)
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
No Data Available
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