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691-38-3

Name cis-4-Methyl-2-pentene
CAS 691-38-3
EINECS(EC#) 211-616-6
Molecular Formula C6H12
MDL Number MFCD00065138
Molecular Weight 84.16
MOL File 691-38-3.mol
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Chemical Properties

Appearance clear yellow liquid
Melting point  -134.85°C
Boiling point  57-58 °C(lit.)
density  0.686 g/mL at 20 °C(lit.)
vapor pressure  399 mm Hg ( 37.7 °C)
FEMA  4650 | 4-METHYL-CIS-2-PENTENE
refractive index  n20/D 1.392
Fp  −28 °F
storage temp.  0-10°C
form  clear liquid
color  Colorless to Almost colorless
Odor at 1.00 % in propylene glycol. fruity green
Odor Type fruity
JECFA Number 2194
InChIKey LGAQJENWWYGFSN-PLNGDYQASA-N
LogP 3.24
CAS DataBase Reference 691-38-3(CAS DataBase Reference)
EPA Substance Registry System cis-4-Methyl-2-pentene (691-38-3)

Safety Data

Hazard Codes  F,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R65:Harmful: May cause lung damage if swallowed.
R11:Highly Flammable.
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:Wear suitable protective clothing .
S62:If swallowed, do not induce vomiting: seek medical advice immediately and show this container or label .
RIDADR  UN 3295 3/PG 2
WGK Germany  3
F  9-23
HS Code  2901.29.1050
HazardClass  3.1
PackingGroup  II

Hazard Information

Material Safety Data Sheet(MSDS)

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