1,4-PENTADIENE
- Product Name
- 1,4-PENTADIENE
- CAS No.
- 591-93-5
- Chemical Name
- 1,4-PENTADIENE
- Synonyms
- Penta-1,4-diene;ALLYLETHYLENE;PENTADIENE-1,4;1,4-PENTADIENE;DIVINYLMETHANE;CH2=CHCH2CH=CH2;1,4-Pentadiene 99%;1,4-Pentadiene,98+%;1,4-PENTADIENE 99+%;PENTADIENE-1,4: TECH.
- CBNumber
- CB6782290
- Molecular Formula
- C5H8
- Formula Weight
- 68.12
- MOL File
- 591-93-5.mol
1,4-PENTADIENE Property
- 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.)
- Flash point:
- 40 °F
- storage temp.
- 0-6°C
- solubility
- Soluble in acetone, alcohol, benzene, and ether (Weast, 1986)
- form
- Liquid
- pka
- >14 (Schwarzenbach et al., 1993)
- color
- Clear colorless
- 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)
- Stability:
- Stable. Highly flammable. Note low boiling point and low flash point. Incompatible with strong oxidizing agents.
- CAS DataBase Reference
- 591-93-5(CAS DataBase Reference)
- EPA Substance Registry System
- 1,4-Pentadiene (591-93-5)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H224Extremely flammable liquid and vapour
H304May be fatal if swallowed and enters airways
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P403+P233Store in a well-ventilated place. Keep container tightly closed.
N-Bromosuccinimide Price
- Product number
- P4607
- Product name
- 1,4-Pentadiene
- Purity
- 99%
- Packaging
- 1g
- Price
- $65.8
- Updated
- 2025/07/31
- Product number
- P4607
- Product name
- 1,4-Pentadiene
- Purity
- 99%
- Packaging
- 5g
- Price
- $157
- Updated
- 2025/07/31
- Product number
- P0038
- Product name
- 1,4-Pentadiene
- Purity
- min. 98.0 %
- Packaging
- 10ML
- Price
- $166
- Updated
- 2025/07/31
- Product number
- P0038
- Product name
- 1,4-Pentadiene
- Purity
- min. 98.0 %
- Packaging
- 25ML
- Price
- $333
- Updated
- 2025/07/31
1,4-PENTADIENE Chemical Properties,Usage,Production
Chemical Properties
colourless liquid
Uses
1,4-Pentadiene can be used to obtain bioinsecticidal composition.
General Description
A colorless liquid. Less dense than water and insoluble in water. Hence floats on water.
Air & Water Reactions
Highly flammable. Insoluble in water.
Reactivity Profile
1,4-PENTADIENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release gaseous hydrogen. Can undergo exothermic polymerization reactions in the presence of various catalysts (such as acids) or initiators. May undergo autoxidation upon exposure to the air to form explosive peroxides. Violent explosions have occurred at low temperatures in ammonia synthesis gas units. These explosions have been traced to the decomposition of addition products between dienes such as this one and oxides of nitrogen [Bretherick, 1995].
Health Hazard
Vapor may cause dizziness or suffocation. Contact may irritate skin and eyes.
Purification Methods
Distil it from NaBH4. Purify it by preparative gas chromatography or distillation and stabilize it with 0.1% of 2,6-di-tert-butyl-p-cresol. [Reimann et al. J Am Chem Soc 108 5527 1986, Beilstein 1 IV 998.]
1,4-PENTADIENE Preparation Products And Raw materials
Raw materials
Preparation Products
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