but-2-ynoic acid (Molecular Formula: C₄H₄O₂)

Product Name:	but-2-ynoic acid
CAS Registry Number:	590-93-2
EINECS:	209-695-7
Synonyms:	Tetrolic acid; 1-Propynecarboxylic acid; Tetrolic acid (8CI); AC1Q5BPY; 3-Methylpropiolic acid;but-2-ynoic acid; but-2-ynoic acid; 590-93-2; PubChem16226;
Molecular Structure:
Molecular Formula:	C₄H₄O₂
Molecular Weight:	84.07336
Density:	1.159 g/cm³
Boiling Point:	203 °C at 760 mmHg
Melting Point:	74-78 ºC
Flash Point:	90.9 °C
Risk Codes:	S26;S36/37/39;S45
Safety Statements:	R20/21/22;R34
Hazard Symbols:	C: Corrosive;

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