Cyclopenten
Cyclopentene
Daten werden ergänzt – lade die Seite später neu, um den aktuellen Stand zu sehen
Grundinformationen
- CAS
142-29-0- Standard-SMILES
C1=CCCC1- InChIKey
LPIQUOYDBNQMRZ-UHFFFAOYSA-N- Summenformel
- C5H8
- Durchschnittliche Molmasse
- 68,12 g/mol
- Monoisotopische Masse
- 68,06260026
Überblick
Cyclopentene appears as 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.
Namen und Bezeichner
- Bevorzugter Name
- Cyclopentene
- IUPAC
- cyclopentene
- Lokaler Name
- Cyclopenten
- Englischer Name
- Cyclopentene
- Summenformel
- C5H8
- Molmasse
- 68.12
Namen und Synonyme
CYCLOPENTENE142-29-01-CyclopenteneDTXSID6029171UNII-ONM2CKV81ZONM2CKV81ZNSC 5160EINECS 205-532-9UN2246NSC-5160DTXCID609171CHEBI:49155
Weitere Namen anzeigen
CyclopentenopenteneCyclopcntenCyclopentene >Cyclopentene, 98+%CYCLOPENTENE, STAB.Cyclopentene, tech.
EC 205-532-9RefChem:129879205-532-9InChI=1/C5H8/c1-2-4-5-3-1/h1-2H,3-5HLPIQUOYDBNQMRZ-UHFFFAOYSA-NC5H8MFCD0000139429300-20-7
Datenbank-Bezeichner
- CAS
142-29-0- PubChem CID
- 8882
- DTXSID
DTXSID6029171- ChEMBL
CHEMBL1797299- ChEBI
CHEBI:49155- UNII
- ONM2CKV81Z
- EC Number
- 205-532-9
- Nikkaji
- J34.912G
Eigenschaften
Berechnete StruktureigenschaftenWird ergänzt
- XLogP
- 1,9
- Polarare Oberfläche (TPSA)
- 0 Ų
- H-Brücken-Donoren
- 0
- H-Brücken-Akzeptoren
- 0
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 5
- Formalladung
- 0
- Komplexität
- 38
Experimentelle und physikochemische Eigenschaften
Chemical Classes
Other Classes -> Aliphatics, Unsaturated
Flammable agents - 3rd degree
SpringerMaterials PropertiesSchoenflies notation
Density0.774 (USCG, 1999) - Less dense than water; will float
Flash Point-30 °F (USCG, 1999)
Boiling Point112 °F at 760 mmHg (USCG, 1999)
Melting Point-211 °F (USCG, 1999)
Vapor Pressure380.0 [mmHg]
Physical Description
Cyclopentene appears as 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.
Liquid
Colorless liquid; [CAMEO] Odor like gasoline; [FAHG] Slightly sweetish odor; [Alfa Aesar MSDS]
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
Danger
H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]
P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P273, P280, P301+P316, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P319, P321, P330, P331, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 190 reports by companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Danger
H225: Highly Flammable liquid and vapor [Danger Flammable liquids]
Gefahrenhinweise
Regulatory Information
Chemical: Cyclopentene
Cyclopentene is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Cyclopentene are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 25-02-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/27532
Cyclopentene: Does not have an individual approval but may be used under an appropriate group standard
The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
DOT LabelFlammable Liquid
Fire Hazards
Special Hazards of Combustion Products: Vapor may travel considerable distance to a source of ignition and flashback. Explosion may occur under fire condition. (USCG, 1999)
· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Chemie und Industrie
Verwendung und Herstellung
UsesUsed to make rubber and plastics; [CAMEO]
U.S. Production2023: 50,000,000 - <100,000,000 lb
Consumer UsesOther
Industry UsesOther
General Manufacturing Information
Petrochemical Manufacturing
Cyclopentene: ACTIVE
Anwendungen
VerwendenCyclopentene is a cycloalkene that is cyclopentane having one endocyclic double bond. Vapors heavier than air. Inhalation of high concentrations may be narcotic. Used to make rubber and plastics. Neopentyl phosphine ligand catalyzed Heck coupling of cyclopentene has been reported. Mechanism of reaction of ground state oxygen atom with cyclopentene has been investigated. Homopolymerization of cyclopentene has been reported. Photocatalytic oxidation of cyclopentene over various titanium(IV) oxide catalyst has been reported. Cyclopentene was used to investigate the [2+2] cycloaddition of diamond (001) surfaces with alkene.
Darstellung
synthetischeCyclopentene is synthesized by selective hydrogenation of cyclopentadiene or by dehydration of cyclopentanol. It is produced industrially in large amounts by steam cracking of naphtha. Cyclopentene is present in coal tar, cigarette smoke, and automobile emissions.
Vor- und nachgelagerte Produkte
Vorgelagerte Rohstoffe
Zugehörige Reaktionen
77
Notizen zur Verbindung
Wird geladen…