CAS No 627-21-4 , pent-2-yne Search by region : Germany

Name: pent-2-yne
Synonyms: 627-21-4; AC1L1ZBF; Pent-2-yne;Ethylmethylacetylene; ACMC-209n7k; 1-Ethyl-2-methylacetylene;pent-2-yne; 271357_ALDRICH; AC1Q28AX;
CAS Registry Number:627-21-4
Transport: UN 3295 3
Melting Point: −109 °C(lit.)
Boiling Point: 56-57 °C(lit.)
Density: 0.71 g/mL at 25 °C(lit.)
Refractive index: 20/D 1.404(lit.)
Safety Statements: A very dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidizing materials. Solutions with silver perchlorate explode on contact with mercury. When heated to decomposition it emits acrid smoke and irritating fumes. See also ACETYLENE COMPOUNDS and ALKYNES.
Hazard Symbols: F: Flammable;Xi: Irritant;
EINECS: 210-989-2
Molecular Weight: 68.11702
InchiKey: NKTDTMONXHODTI-UHFFFAOYSA-N
InChI: InChI=1S/C5H8/c1-3-5-4-2/h3H2,1-2H3
Risk Statements: 11-36/37/38
Molecular Formula: C₅H₈
Molecular Structure:

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