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591-93-5

Name 1,4-PENTADIENE
CAS 591-93-5
EINECS(EC#) 209-736-9
Molecular Formula C5H8
MDL Number MFCD00008665
Molecular Weight 68.12
MOL File 591-93-5.mol
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Chemical Properties

Appearance colourless liquid
Melting point  -148 °C
Boiling point  26 °C(lit.)
density  0.659 g/mL at 25 °C(lit.)
vapor pressure  11.91 psi ( 20 °C)
refractive index  n20/D 1.389(lit.)
Fp  40 °F
storage temp.  0-6°C
solubility  Soluble in acetone, alcohol, benzene, and ether (Weast, 1986)
form  Liquid or gas
pka >14 (Schwarzenbach et al., 1993)
color  Clear colorless
Stability: Stable. Highly flammable. Note low boiling point and low flash point. Incompatible with strong oxidizing agents.
Water Solubility  558 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966)
BRN  1696934
Henry's Law Constant 0.120 at 25 °C (Hine and Mookerjee, 1975)
CAS DataBase Reference 591-93-5(CAS DataBase Reference)
EPA Substance Registry System 1,4-Pentadiene (591-93-5)

Safety Data

Hazard Codes  F+,Xn
Risk Statements 
R12:Extremely Flammable.
R65:Harmful: May cause lung damage if swallowed.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
RIDADR  UN 3295 3/PG 1
WGK Germany  3
HazardClass  3.1
PackingGroup  II
HS Code  29012900

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