TRANS-1,3-PENTADIENE
- CAS NO.：504-60-9
- Empirical Formula: C5H8
- Molecular Weight: 68.12
- MDL number: MFCD00009295
- EINECS: 207-995-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:57
What is TRANS-1,3-PENTADIENE?
Chemical properties
colourless liquid
Definition
ChEBI: (E)-1,3-pentadiene is an alkadiene consisting of pentane with the two double bonds located at positions 1 and 3.
General Description
A clear colorless liquid with an acrid odor. Flash point of -20°F. Boiling point 5°F. A dangerous fire risk. Vapors are irritating to the eyes and respiratory system. Subject to polymerization if heated or contaminated. If the polymerization takes place inside a container, the container may violently rupture. Insoluble in water. Used to make intermediates and polymers.
Air & Water Reactions
Highly flammable. Insoluble in water.
Reactivity Profile
TRANS-1,3-PENTADIENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions. May undergo autoxidation upon exposure to the air to form explosive peroxides. Violent explosions at low temperatures in ammonia synthesis units have been traced to the addition products of dienes and nitrogen dioxide [Bretherick, 5th Ed., 1995].
Health Hazard
Vapors may cause dizziness or suffocation; contact may irritate skin and eyes.
Properties of TRANS-1,3-PENTADIENE
| 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 | n |
| Flash point: | <−30 °F |
| storage temp. | Refrigerator |
| Dielectric constant | 2.3（25℃） |
| Stability: | Stable. Incompatible with strong oxidizing agents. Very flammable - note low flash point and low boiling point. |
| CAS DataBase Reference | 504-60-9(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3-Pentadiene (504-60-9) |
Safety information for TRANS-1,3-PENTADIENE
Computed Descriptors for TRANS-1,3-PENTADIENE
New Products
(S)-3-Aminobutanenitrile hydrochloride 4-Methylphenylacetic acid N-Boc-D-alaninol N-BOC-D/L-ALANINOL Tert-butyl bis(2-chloroethyl)carbamate 3-Morpholino-1-(4-nitrophenyl)-5,6-dihydropyridin- 2(1H)-one Furan-2,5-Dicarboxylic Acid Tropic acid 1-Bromo-3,5-Di-Tert-Butylbenzene S-2-CHLORO PROPIONIC ACID ETHYL ISOCYANOACETATE 2-Bromo-1,3-Bis(Dimethylamino)Trimethinium Hexafluorophosphate 4-IODO BENZOIC ACID 3-NITRO-2-METHYL ANILINE 1-(2,4-DICHLOROPHENYL) ETHANAMINE (2-Hydroxyphenyl)acetonitrile 4-Bromopyrazole 2-(Cyanocyclohexyl)acetic acid 4-methoxy-3,5-dinitropyridine 1-(4-(aminomethyl)benzyl)urea hydrochloride 2-aminopropyl benzoate hydrochloride diethyl 2-(2-((tertbutoxycarbonyl)amino) ethyl)malonate tert-butyl 4- (ureidomethyl)benzylcarbamate Ethyl-2-chloro((4-methoxyphenyl)hydrazono)acetateRelated products of tetrahydrofuran
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