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HCID 80421Erstellt: 23. Oktober 2026

Pent-2-yn-1-ol

pent-2-yn-1-ol · CCC#CCO · 2-pentyn-1-0l · 2-PENTYN-2-OL · 1-pentyn-1-ol · 2-PENTYN-1-OL · 2-PENTYNE-1-OL · 2-Pentyn-1-ol>2-Pentyn-1-ol 98%

https://huagongshe.com/de/chemical/80421

Molekülstruktur von Pent-2-yn-1-ol

Identifikatoren & physikalische Daten

CAS No.6261-22-9
SummenformelC5H8O
Durchschnittliche Molmasse84,12 g/mol
Monoisotopische Masse84,05751488 g/mol
SMILESCCC#CCO
InChIKeyWLPYSOCRPHTIDZ-UHFFFAOYSA-N
PubChem CID80421
EC No.228-411-2
DTXSIDDTXSID0064177
Lokaler NamePent-2-yn-1-ol

Chemische & physikalische Eigenschaften

XLogP0,6
Polarare Oberfläche (TPSA)20,2
H-Brücken-Donoren1
H-Brücken-Akzeptoren1
Frei drehbare Bindungen0
Schwere Atome6
Formalladung0
Komplexität72,4
SpringerMaterials PropertiesDensity
Schmelzpunkt-49.7°C
Siedepunkt84-85 °C/57 mmHg (lit.)
Dichte0.909 g/mL at 25 °C (lit.)
Brechungsindexn20/D 1.452(lit.)
Flammpunkt137 °F
Lagerbedingungen2-8°C
LöslichkeitChloroform (Slightly), Methanol (Slightly)
Aggregatzustandclear liquid
pKa (Säurekonstante)13.04±0.10(Predicted)
FarbeColorless to Light yellow to Light orange
BRN1734007
InChI1S/C5H8O/c1-2-3-4-5-6/h6H,2,5H2,1H3
InChIKeyWLPYSOCRPHTIDZ-UHFFFAOYSA-N
SMILESCCC#CCO
CAS Datenbank6261-22-9(CAS DataBase Reference)
EPA chemische Informationen2-Pentyn-1-ol (6261-22-9)

Sicherheit & Vorschriften

GHS-EinstufungWarningH226 (97.8%): Flammable liquid and vapor [Warning 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 46 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatorische InformationenChemical: 2-Pentyn-1-ol
Hazard Classes and CategoriesFlam. Liq. 3 (97.8%)
F10
Wassergefährdungsklasse (WGK)3
TSCA-Inventar-StatusTSCA listed
UN-TransportnummerUN 1987 3/PG 3
Zollcode2905190098
R-Sätze (R)36/37/38
GefahrensymboleXi
Sicherheitshinweise (S)26-36/37/39-37/39
Gefahrenklasse3Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2STOT SE 3
VerpackungsgruppeIII
Lagerklasse3 - Flammable liquids

Anwendungen & Verwendung

Verwenden

2-Pentyn-1-ol was employed as starting reagent for the synthesis of (-)-muricatacin. It was also used in the preparation of (2Z)-3-tributylstannyl-2-penten-1-ol.