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627-21-4

Name 2-PENTYNE
CAS 627-21-4
EINECS(EC#) 210-989-2
Molecular Formula C5H8
MDL Number MFCD00009380
Molecular Weight 68.12
MOL File 627-21-4.mol
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Chemical Properties

Appearance clear colorless to slightly yellow liquid
Melting point  -109 °C (lit.)
Boiling point  56-57 °C (lit.)
density  0.71 g/mL at 25 °C(lit.)
vapor pressure  393 mm Hg ( 37.7 °C)
refractive index  n20/D 1.404(lit.)
Fp  −23 °F
storage temp.  Flammables area
form  Liquid
color  Clear colorless to slightly yellow
Specific Gravity 0.711
explosive limit 1.2-8.8%(V)
BRN  1696938
CAS DataBase Reference 627-21-4(CAS DataBase Reference)

Safety Data

Hazard Codes  F,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-No smoking .
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  10-23
HazardClass  3
PackingGroup  II
HS Code  29012900

Hazard Information

Material Safety Data Sheet(MSDS)

Spectrum Detail

Well-known Reagent Company Product Information

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