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HCID 79993Erstellt: 26. Oktober 2026

5-Chlorpentan-2-on

5-Chloropentan-2-one · oro-2-pentanone · Chloro-2-pentan · 5-chloro -2-ketone · 5-chloro-2-pentanon · Chloropentanonetech · -Chloro-2-pentanone · 5-CHLORO-2-PENTANONE

https://huagongshe.com/de/chemical/79993

Molekülstruktur von 5-Chlorpentan-2-on

Identifikatoren & physikalische Daten

CAS No.5891-21-4
SummenformelC5H9ClO
Durchschnittliche Molmasse120,58 g/mol
Monoisotopische Masse120,03419259 g/mol
SMILESCC(=O)CCCCl
InChIKeyXVRIEWDDMODMGA-UHFFFAOYSA-N
PubChem CID79993
EC No.227-565-8
DTXSIDDTXSID9064053
Lokaler Name5-Chlorpentan-2-on

Chemische & physikalische Eigenschaften

XLogP0,8
Polarare Oberfläche (TPSA)17,1
H-Brücken-Donoren0
H-Brücken-Akzeptoren1
Frei drehbare Bindungen3
Schwere Atome7
Formalladung0
Komplexität61,1
SpringerMaterials PropertiesOptical coefficient
Siedepunkt71-72 °C/20 mmHg (lit.)
Dichte1.057 g/mL at 25 °C (lit.)
Brechungsindexn20/D 1.438(lit.)
Flammpunkt96 °F
LagerbedingungenInert atmosphere,2-8°C
LöslichkeitSoluble in chloroform and methanol.
AggregatzustandLiquid
Wichte1.057
FarbeBrown to black
BRN1098490
StabilitätVolatile
InChIInChI=1S/C5H9ClO/c1-5(7)3-2-4-6/h2-4H2,1H3
InChIKeyXVRIEWDDMODMGA-UHFFFAOYSA-N
SMILESCC(=O)CCCCl
CAS Datenbank5891-21-4(CAS DataBase Reference)
NIST chemische Informationen2-Pentanone, 5-chloro-(5891-21-4)
EPA chemische Informationen2-Pentanone, 5-chloro- (5891-21-4)

Sicherheit & Vorschriften

GHS-EinstufungWarningH226 (92.9%): Flammable liquid and vapor [Warning Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P330, 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 14 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenStatus: Active Update: 14-12-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/173855-Chloro-2-pentanone: Does not have an individual approval but may be used under an appropriate group standard
Hazard Classes and CategoriesFlam. Liq. 3 (92.9%)
F8-10
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-TransportnummerUN 1224 3/PG 3
Zollcode29147090
RTECS-Nr.SA8143500
R-Sätze (R)36/37/38-22-10
GefahrensymboleXn,F
Sicherheitshinweise (S)23-24/25-37/39-26-16
Gefahrenklasse3Acute Tox. 4 Oral
VerpackungsgruppeIII
Lagerklasse10 - Combustible liquids

Anwendungen & Verwendung

Beschreibung

5-Chloro-2-pentanone (5C2P) is an important organic reagent used as a pharmaceutical intermediate for the preparation of therapeutic anti-COVID-19 drugs. 5C2P is also used as a raw material for the synthesis of octamethol and related compounds. In chemical reactions, 5C2P can be cyclised with hydrazine. In conclusion, 5C2P and its derivatives have a wide range of applications in the pharmaceutical and agrochemical industries.

Verwenden

5-Chloro-2-pentanone used in the preparation of destructible surfactants.