5-Ethynyl-1,2-oxazole-3-carboxylic acid
[CAS# 89488-59-5]

Identification

• Name: 5-Ethynyl-1,2-oxazole-3-carboxylic acid
• Synonyms: 5-ethynylisoxazole-3-carboxylic acid
• Molecular Formula: C₆H₃NO₃
• Molecular Weight: 137.09
• CAS Registry Number: 89488-59-5
• SMILES: C#Cc1cc(no1)C(=O)O
• InChI: 1S/C6H3NO3/c1-2-4-3-5(6(8)9)7-10-4/h1,3H,(H,8,9)
• InChIKey: LWBMUXOVBXVESV-UHFFFAOYSA-N

Properties

• Density: 1.466g/cm³ (Cal.)
• Boiling point: 357.531°C at 760 mmHg (Cal.)
• Flash point: 170.029°C (Cal.)

References

• (1): Gaudiano G, Ricca A, Quilico A. Sintesi di ottaisossazoli lineari, Gazzetta Chimica Italiana, 1960, 90,1253-65