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HCID 170267Erstellt: 27. Oktober 2026

2-Hydroxy-3-butynoic acid

https://huagongshe.com/de/chemical/170267

Molekülstruktur von 2-Hydroxy-3-butynoic acid

Identifikatoren & physikalische Daten

CAS No.38628-65-8
SummenformelC4H4O3
Durchschnittliche Molmasse100,07 g/mol
Monoisotopische Masse100,01604399 g/mol
SMILESC#CC(O)C(=O)O
InChIKeyLWNHDEQKHFRYMD-UHFFFAOYSA-N
PubChem CID170267
EC No.680-011-0

Chemische & physikalische Eigenschaften

XLogP-0,5
Polarare Oberfläche (TPSA)57,5
H-Brücken-Donoren2
H-Brücken-Akzeptoren3
Frei drehbare Bindungen1
Schwere Atome7
Formalladung0
Komplexität118

Sicherheit & Vorschriften

GHS-EinstufungWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement)Aggregated GHS information provided per 39 reports by companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)Eye Irrit. 2 (100%)