| Identification | More | [Name]
TRANS-2-PENTENE | [CAS]
109-68-2 | [Synonyms]
2-AMYLENE
2-PENTENE
AMYLENE
B-N-AMYLENE
SYM-METHYLETHYLETHYLENE
TRANS-2-AMYLENE
TRANS-2-PENTENE
TRANS-B-N-AMYLENE
TRANS-SYM-METHYLETHYLETHYLENE
2-Pentene,c&t
3-Pentene
beta-n-Amylene
CH3CH=CHC2H5
Methylethylethylene
Pent-2-ene
s-Methylethylethylene
2-Pentene (cis+trans)
2-pentene, mixture of isomers
Pentenecistrans
2-PENTENE, 99%, MIXTURE OF ISOMERS | [EINECS(EC#)]
203-695-0 | [Molecular Formula]
C5H10 | [MDL Number]
MFCD00009384 | [Molecular Weight]
70.13 | [MOL File]
109-68-2.mol |
| Chemical Properties | Back Directory | [Appearance]
colourless liquid | [Melting point ]
-142.6°C | [Boiling point ]
37 °C(lit.) | [density ]
0.651 g/mL at 20 °C(lit.)
| [vapor pressure ]
8.06 psi ( 20 °C)
| [refractive index ]
n20/D 1.381
| [Fp ]
−50 °F
| [storage temp. ]
2-8°C | [Stability:]
Stable. Extremely flammable-note low boiling point and low flash point. Incompatible with strong oxidizing agents. | [Water Solubility ]
Not miscible or difficult to mix in water. | [Merck ]
14,7123 | [BRN ]
969151 | [CAS DataBase Reference]
109-68-2(CAS DataBase Reference) | [EPA Substance Registry System]
2-Pentene (109-68-2) |
| Safety Data | Back Directory | [Hazard Codes ]
F,Xn | [Risk Statements ]
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R65:Harmful: May cause lung damage if swallowed. | [Safety Statements ]
S9:Keep container in a well-ventilated place .
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 .
S29:Do not empty into drains .
S33:Take precautionary measures against static discharges .
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
| [TSCA ]
Yes | [HazardClass ]
3 | [PackingGroup ]
II |
| Hazard Information | Back Directory | [Chemical Properties]
colourless liquid | [Uses]
2-Pentene (mixture of cis and trans) is used in the synthesis of polycyclopentene by ring-opening metathesis polymerization. | [General Description]
2-Pentene undergoes addition reaction with phenoxathiin cation radical in acetonitrile solution to form bis(10-phenoxathiiniumyl)alkane adducts. | [Purification Methods]
Reflux the mixture with sodium wire, then fractionally distil it twice through a Fenske (glass helices packing, p 11) column. [Beilstein 1 IV 815.] |
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