Substance
ID:316023
Names and Identifiers
IUPAC Traditional name
2-pentyne
IUPAC name
pent-2-yne
Synonyms
2-Pentyne2-戊炔
Registration numbers
Beilstein Number
CAS Number
MDL Number
EC Number
PubChem SID
Properties
Physical Property
Flash Point
-23.8 °F
-31 °C
Boiling Point
56-57 °C(lit.)
Density
0.71 g/mL at 25 °C(lit.)
Refractive Index
n20/D 1.404(lit.)
Melting Point
-109 °C(lit.)
Vapor Pressure
393 mmHg ( 37.7 °C)
Safety Information
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
GHS Signal Word
Danger
Personal Protective Equipment
Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
RID/ADR
UN 3295 3/PG 2
European Hazard Symbols
Flammable (F)
Irritant (Xi)UN Number
3295
German water hazard class
3
Hazard Class
3
GHS Hazard statements
H225-H315-H319-H335
GHS Precautionary statements
P210-P261-P305+P351+P338
MSDS Link
Safety Statements
16-26-36/37/39
Risk Statements
11-36/37/38
Product Information
Linear Formula
CH3C≡CCH2CH3
Purity
98%
Molecule Details
Packaging
5 g in ampule
5 g in ampule
Molecular Spectra
No Data Available
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References
No Data Available
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