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HCID 141019Erstellt: 23. Oktober 2026

Methyl but-2-ynoate

methyl but-2-ynoate · METHYL TETROLATE · Methyle2-butynoate · Methyl 2-butynoate · Methyl-2-Butynaote97% · Methyl 2-butynoate,97% · TETROLIC ACID METHYL ESTER · Methyl 2-butynoate, 97% 5GR

https://huagongshe.com/de/chemical/141019

Molekülstruktur von Methyl but-2-ynoate

Identifikatoren & physikalische Daten

CAS No.23326-27-4
SummenformelC5H6O2
Durchschnittliche Molmasse98,1 g/mol
Monoisotopische Masse98,03677943 g/mol
SMILESCC#CC(=O)OC
InChIKeyUJQCANQILFWSDJ-UHFFFAOYSA-N
PubChem CID141019
EC No.675-802-2
DTXSIDDTXSID90177876

Chemische & physikalische Eigenschaften

XLogP1,1
Polarare Oberfläche (TPSA)26,3
H-Brücken-Donoren0
H-Brücken-Akzeptoren2
Frei drehbare Bindungen1
Schwere Atome7
Formalladung0
Komplexität124
Siedepunkt76-77 °C (80 mmHg)
Dichte0.98
Brechungsindex1.436-1.438
Flammpunkt45 °C
LagerbedingungenFlammables area
AggregatzustandLiquid
FarbeClear colorless to yellow
InChIInChI=1S/C5H6O2/c1-3-4-5(6)7-2/h1-2H3
InChIKeyUJQCANQILFWSDJ-UHFFFAOYSA-N
SMILESC(OC)(=O)C#CC
CAS Datenbank23326-27-4(CAS DataBase Reference)

Sicherheit & Vorschriften

GHS-EinstufungWarningH226 (100%): 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 43 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesFlam. Liq. 3 (100%)
UN-Transportnummer1993
Zollcode29161900
R-Sätze (R)10-36/37/38-20/21/22
GefahrensymboleXn
Sicherheitshinweise (S)16-36/37/39-26
Gefahrenklasse3.2
VerpackungsgruppeIII

Anwendungen & Verwendung

Verwenden

Methyl 2-Butynoate, is an alkynoate used in preparation of various compounds such as preparation of phenanthrenes/benzoindolyl carboxylates.