CIS-2-PENTENE
- Product Name
- CIS-2-PENTENE
- CAS No.
- 627-20-3
- Chemical Name
- CIS-2-PENTENE
- Synonyms
- cis-Pentene;2-(Z)-C5H10;(z)-2-penten;cis-β-Amylene;(Z)-2-Pentene;CIS-2-AMYLENE;CIS-2-PENTENE;CIS-PENTENE-2;cis-pent-2-ene;(Z)-pent-2-ene
- CBNumber
- CB0769413
- Molecular Formula
- C5H10
- Formula Weight
- 70.13
- MOL File
- 627-20-3.mol
CIS-2-PENTENE Property
- Melting point:
- -180 °C (lit.)
- Boiling point:
- 37-38 °C (lit.)
- Density
- 0.65 g/mL at 25 °C (lit.)
- vapor pressure
- 8.17 psi ( 20 °C)
- refractive index
- n20/D 1.382(lit.)
- Flash point:
- −1 °F
- storage temp.
- Flammables area
- solubility
- Soluble in alcohol, benzene, and ether (Weast, 1986)
- pka
- >14 (Schwarzenbach et al., 1993)
- form
- Liquid
- Specific Gravity
- 0.650
- color
- Clear colorless
- Water Solubility
- 203 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966)
- BRN
- 1718794
- Henry's Law Constant
- 0.225 at 25 °C (approximate - calculated from experimentally determined water solubility and vapor pressure values)
- Stability:
- Stable. Highly flammable - note low flash point. Incompatible with oxidizing agents.
- CAS DataBase Reference
- 627-20-3(CAS DataBase Reference)
- EPA Substance Registry System
- cis-2-Pentene (627-20-3)
Safety
- Hazard Codes
- F,Xn
- Risk Statements
- 11-36/37/38-65
- Safety Statements
- 9-16-26-29-33-36-62
- RIDADR
- UN 3295 3/PG 1
- WGK Germany
- 3
- HazardClass
- 3.1
- PackingGroup
- I
- HS Code
- 29012990
- Hazardous Substances Data
- 627-20-3(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H225Highly Flammable liquid and vapour
H304May be fatal if swallowed and enters airways
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233Keep container tightly closed.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P331Do NOT induce vomiting.
N-Bromosuccinimide Price
- Product number
- 143766
- Product name
- cis-2-Pentene
- Purity
- 98%
- Packaging
- 1g
- Price
- $61.4
- Updated
- 2024/03/01
- Product number
- 143766
- Product name
- cis-2-Pentene
- Purity
- 98%
- Packaging
- 10g
- Price
- $264
- Updated
- 2024/03/01
- Product number
- P0065
- Product name
- cis-2-Pentene
- Purity
- >95.0%(GC)
- Packaging
- 10mL
- Price
- $282
- Updated
- 2024/03/01
- Product number
- 82592
- Product name
- CIS-2-PENTENE,96%
- Packaging
- 25g
- Price
- $360.53
- Updated
- 2021/12/16
- Product number
- 82591
- Product name
- CIS-2-PENTENE,96%
- Packaging
- 5G
- Price
- $127.39
- Updated
- 2021/12/16
CIS-2-PENTENE Chemical Properties,Usage,Production
Chemical Properties
colourless liquid
Physical properties
Clear, colorless, flammable liquid with a disagreeable odor.
Uses
Polymerization inhibitor; organic synthesis.
Uses
cis-2-Pentene was used to study the adsorption of cis-2-pentene on clean and D2 preadsorbed Pd(111) surface.
General Description
A colorless liquid with a hydrocarbon odor. Usually found as a technical grade consisting of a mixture of isomers. Insoluble in water. Used as a solvent in organic synthesis and as a polymerization inhibitor.
Air & Water Reactions
Highly flammable. Insoluble in water.
Reactivity Profile
The unsaturated aliphatic hydrocarbons, such as 2-PENTENE, are generally much more reactive than the alkanes. Strong oxidizers may react vigorously with them. Reducing agents can react exothermically to release gaseous hydrogen. In the presence of various catalysts (such as acids) or initiators, compounds in this class can undergo very exothermic addition polymerization reactions.
Source
Schauer et al. (2001) measured organic compound emission rates for volatile organic
compounds, gas-phase semi-volatile organic compounds, and particle-phase organic compounds
from the residential (fireplace) combustion of pine, oak, and eucalyptus. The gas-phase emission
rate of cis-2-pentene was 10.4 mg/kg of pine burned. Emission rates of cis-2-pentene were not
measured during the combustion of oak and eucalyptus.
California Phase II reformulated gasoline contained cis-2-pentene at a concentration of 2.29
g/kg. Gas-phase tailpipe emission rates from gasoline-powered automobiles with and without
catalytic converters were 0.44 and 42.3 mg/km, respectively (Schauer et al., 2002).
Environmental Fate
Photolytic. The rate constant for the reaction of cis-2-pentene and OH radicals in the
atmosphere at 300 K is 3.9 x 10-13 cm3/molecule?sec (Hendry and Kenley, 1979). Atkinson (1990)
reported a rate constant of 6.50 x 10-11 cm3/molecule?sec for the same reaction.
Chemical/Physical. Complete combustion in air yields carbon dioxide and water.
Purification Methods
Dry it with sodium wire and fractionally distil it, or purify it by azeotropic distillation with MeOH, followed by washing out the MeOH with water, drying and distilling. Also purify it by chromatography through silica gel and alumina [Klassen & Ross J Phys Chem 91 3668 1987]. [Beilstein 1 IV 814.]
CIS-2-PENTENE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from CIS-2-PENTENE manufacturers
- Product
- cis-2-Pentene 627-20-3
- Price
- US $1.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 20T
- Release date
- 2020-01-10
- Product
- CIS-2-PENTENE 627-20-3
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-08-11