627-21-4|2-Pentyne(6CI,7CI,8CI,9CI)Products Supply

2-Pentyne(6CI,7CI,8CI,9CI) cas no:627-21-4

Synonyms: 1-Ethyl-2-methylacetylene;Ethylmethylacetylene; Methyl ethyl acetylene

Identification

Name2-Pentyne(6CI,7CI,8CI,9CI)
CAS627-21-4
Synonyms1-Ethyl-2-methylacetylene;Ethylmethylacetylene; Methyl ethyl acetylene
EINECS(EC#)210-989-2
Molecular FormulaC5H8
Molecular Weight68.1170

Chemical Properties

refractive indexn20/D 1.404(lit.)
storage tempFlammables area

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

Hazardclass3

Safety Data

Hazard F: Flammable;Xi: Irritant;
Risk R11
Safety

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 Codes:
F
Irritant Xi
Risk Statements:
R11:Highly flammable.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 3295 3/PG 2
WGK Germany: 3
F:
F 10: Keep under argon.
F 23: Sensitive to air.
HazardClass: 3
PackingGroup: II

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2-Pentyne(6CI,7CI,8CI,9CI) cas no:627-21-4

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