| Identification | More | [Name]
TRANS-1,3-PENTADIENE | [CAS]
2004-70-8 | [Synonyms]
1,3-PENTADIENE
PIPERYLENE
TRANS-1,3-PENTADIENE
TRANS-PIPERYLENE
(3E)-1,3-Pentadiene
(E)-1,3-Pentadiene
(e)-3-pentadiene
(E)-CH2=CHCH=CHCH3
1,trans-3-Pentadiene
trans-1-Methylbutadiene
trans-penta-1,3-diene
TRANS-1,3-PENTADIENE, STAB.
trans-1,3-Pentadiene (stabilized with TBC) | [EINECS(EC#)]
217-909-5 | [Molecular Formula]
C5H8 | [MDL Number]
MFCD00009295 | [Molecular Weight]
68.12 | [MOL File]
2004-70-8.mol |
| Chemical Properties | Back Directory | [Melting point ]
-87 °C (lit.) | [Boiling point ]
42 °C (lit.) | [density ]
0.683 g/mL at 25 °C(lit.)
| [vapor density ]
2.4 (vs air)
| [vapor pressure ]
6.56 psi ( 20 °C)
| [refractive index ]
n20/D 1.433(lit.)
| [Fp ]
<−30 °F
| [storage temp. ]
Refrigerator | [form ]
clear liquid | [color ]
Colorless to Almost colorless | [Specific Gravity]
0.6764 | [Stability:]
Stable. Highly flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with strong oxidizing agents. | [BRN ]
1523659 | [Dielectric constant]
2.3199999999999998 | [CAS DataBase Reference]
2004-70-8(CAS DataBase Reference) | [EPA Substance Registry System]
1,3-Pentadiene, (3E)- (2004-70-8) |
| Safety Data | Back Directory | [Hazard Codes ]
F,Xn | [Risk Statements ]
R11:Highly Flammable.
R65:Harmful: May cause lung damage if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin . | [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) .
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
| [RTECS ]
RZ2465000
| [HS Code ]
2901.29.5000 | [HazardClass ]
3.1 | [PackingGroup ]
I | [Hazardous Substances Data]
2004-70-8(Hazardous Substances Data) | [Toxicity]
LD50 ivn-mus: 18 mg/kg CSLNX* NX#04179 |
| Hazard Information | Back Directory | [Definition]
ChEBI: An alkadiene consisting of pentane with the two double bonds located at positions 1 and 3. | [General Description]
Trans-1,3-Pentadiene spectra is recorded in the 5000-17500 cm(-1) region with conventional and intracavity laser photoacoustic spectroscopy. It can be determined by the spectrophotometric method based on the Diels-Alder reaction. In this reaction, cisoid 1,3-dienes and tetracyanoethylene (TCNE) react with an aromatic-TCNE pi-complex. | [Safety Profile]
Poison by intravenous route. A very dangerous fire and explosion hazard when exposed to heat or flame; can react vigorously with oxidizing materials. When heated to decomposition it emits acrid smoke and irritating fumes. | [Purification Methods]
Distil the diene from NaBH4. Purify it also by preparative gas chromatography. [Reimann et al. J Am Chem Soc 108 5527 1986, Beilstein 1 IV 994.] |
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