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HCID 84308Erstellt: 26. Oktober 2026

5-Chlorpent-1-yn

5-chloropent-1-yne · 4-PENTYNYL CHLORIDE · EOS-60333 · Chloro-1-pent · 5-Chloropentyne · 5-chloro-1-pentyn · 5-chloro -1-pentyl · 1-Chloro-4-pentyne

https://huagongshe.com/de/chemical/84308

Molekülstruktur von 5-Chlorpent-1-yn

Identifikatoren & physikalische Daten

CAS No.14267-92-6
SummenformelC5H7Cl
Durchschnittliche Molmasse102,56 g/mol
Monoisotopische Masse102,0236279 g/mol
SMILESC#CCCCCl
InChIKeyUXFIKVWAAMKFQE-UHFFFAOYSA-N
PubChem CID84308
EC No.238-159-5
DTXSIDDTXSID3065742
Lokaler Name5-Chlorpent-1-yn

Chemische & physikalische Eigenschaften

XLogP1,8
Polarare Oberfläche (TPSA)0
H-Brücken-Donoren0
H-Brücken-Akzeptoren0
Frei drehbare Bindungen2
Schwere Atome6
Formalladung0
Komplexität57,6
SpringerMaterials PropertiesDensity
Schmelzpunkt-61°C (estimate)
Siedepunkt67-69 °C145 mm Hg(lit.)
Dichte0.968 g/mL at 25 °C(lit.)
Brechungsindexn20/D 1.444(lit.)
Flammpunkt60 °F
Lagerbedingungen2-8°C
LöslichkeitChloroform, Methanol (Slightly)Not miscible in water.
AggregatzustandLiquid
Wichte0.968
FarbeClear colorless to light brown
BRN1736710
InChI1S/C5H7Cl/c1-2-3-4-5-6/h1H,3-5H2
InChIKeyUXFIKVWAAMKFQE-UHFFFAOYSA-N
SMILESClCCCC#C
CAS Datenbank14267-92-6(CAS DataBase Reference)
NIST chemische Informationen5-Chloro-1-pentyne(14267-92-6)
EPA chemische Informationen1-Pentyne, 5-chloro- (14267-92-6)

Sicherheit & Vorschriften

GHS-EinstufungDangerH225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, 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 47 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesFlam. Liq. 2 (100%)
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-TransportnummerUN 1993 3/PG 2
Zollcode29032900
R-Sätze (R)11-38-36/37/38
GefahrensymboleF,Xi
hazard_noteIrritant
Sicherheitshinweise (S)23-24/25-16
Gefahrenklasse3Flam. Liq. 2Skin Irrit. 2
VerpackungsgruppeII
Lagerklasse3 - Flammable liquids

Anwendungen & Verwendung

Verwenden

5-Chloro-1-pentyne is used with α-diazoesters in a copper-catalyzed synthesis of pyrazoles. It is also used in the synthesis of 5-chloro-2-trimethylstannyl-1-pentene by reacting with Me3SnCu.Me2S.