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142-29-0

142-29-0 Structure

142-29-0 Structure
IdentificationMore
[Name]

Cyclopentene
[CAS]

142-29-0
[Synonyms]

1-Cyclopentene
Cyclopenten
CYCLOPENTENE, STAB.
Cyclopentene, tech., ca 90%
Cyclopcnten
Cyclopentene, 98+%
Cyclopentene, ca 90%, tech
Cyclopentene, tech.
[EINECS(EC#)]

205-532-9
[Molecular Formula]

C5H8
[MDL Number]

MFCD00001394
[Molecular Weight]

68.12
[MOL File]

142-29-0.mol
Chemical PropertiesBack Directory
[Appearance]

colourless liquid with a petrol-like odour
[mp ]

−135 °C(lit.)
[bp ]

44-46 °C(lit.)
[density ]

0.771 g/mL at 25 °C(lit.)
[vapor pressure ]

20.89 psi ( 55 °C)
[refractive index ]

n20/D 1.421(lit.)
[Fp ]

<−30 °F
[storage temp. ]

0-6°C
[Stability:]

Stable. Highly flammable. Incompatible with strong oxidizing agents. Store cold.
[Water Solubility ]

immiscible
[BRN ]

635707
[CAS DataBase Reference]

142-29-0(CAS DataBase Reference)
[NIST Chemistry Reference]

Cyclopentene(142-29-0)
[EPA Substance Registry System]

142-29-0(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

F,Xn
[Risk Statements ]

R11:Highly Flammable.
R21/22:Harmful in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R65:Harmful: May cause lung damage if swallowed.
R67:Vapors may cause drowsiness and dizziness.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[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 .
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 .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S36/37:Wear suitable protective clothing and gloves .
[RIDADR ]

UN 2246 3/PG 2
[WGK Germany ]

3
[RTECS ]

GY5950000
[F ]

10-23
[HazardClass ]

3
[PackingGroup ]

II
[HS Code ]

29021990
[Safety Profile]

Moderately toxic by ingestion and skin contact. A very dangerous fire hazard when exposed to flame or heat; can react with oxidning materials. Keep away from heat and open flame. To fight fire, use foam, CO2, dry chemical.
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Aluminum oxide -->1,3-Cyclopentadiene-->Dicyclopentadiene-->Isoprene-->Cyclopentanol
[Preparation Products]

1,3-Cyclopentadiene-->Sebacic acid-->2-Allyl-4-hydroxy-3-methyl-2-cyclopenten-1-one-->Ramipril-->LENAMPICILLIN-->Prostaglandin E1-->Ketamine hydrochloride-->KETAMINE RELATED COMPOUND A (50 MG) (1-[(2-CHLOROPHENYL)(METHYLIMINO)METHYL]CYLCOPENTA-NOL)-->2-Chlorophenyl cyclopentyl ketone-->ROSAPROSTOL-->Cyclopentene oxide-->3-Ethyl-2-hydroxy-2-cyclopenten-1-one
Hazard InformationBack Directory
[General Description]

A colorless liquid. Less dense than water and insoluble in water. Flash point below 0°F. Vapors heavier than air. Inhalation of high concentrations may be narcotic. Used to make rubber and plastics.
[Reactivity Profile]

CYCLOPENTENE(142-29-0) 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.
[Air & Water Reactions]

Highly flammable. Insoluble in water.
[Health Hazard]

May be harmful by inhalation, ingestion, or skin absorption. May cause eye and skin irritation.
[Fire Hazard]

Special Hazards of Combustion Products: Vapor may travel considerable distance to a source of ignition and flashback. Explosion may occur under fire condition.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Cyclopentene(142-29-0).msds
Spectrum DetailBack Directory
[Spectrum Detail]

Cyclopentene(142-29-0)13CNMR
Cyclopentene(142-29-0)IR1
Cyclopentene(142-29-0)1HNMR
Cyclopentene(142-29-0)MS
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Cyclopentene, tech., ca 90%(142-29-0)
[Alfa Aesar]

Cyclopentene, 98+%(142-29-0)
[Sigma Aldrich]

142-29-0(sigmaaldrich)
[TCI AMERICA]

Cyclopentene,>98.0%(GC)(142-29-0)
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