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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 116156Generated: November 3, 2026

5-Hydroxypent-4-yn-2-one

5-Hydroxy-4-pentyn-2-one · 4-Pentyn-2-one, 5-hydroxy-

https://huagongshe.com/en/chemical/116156

5-Hydroxypent-4-yn-2-one molecular structure

Identifiers & Physical Properties

CAS No.64011-43-4
Molecular formulaC5H6O2
Average molar mass98.101 g/mol
Monoisotopic mass98.03677943 g/mol
SMILESCC(=O)CC#CO
InChIKeyQGBGTWZGIQMZIY-UHFFFAOYSA-N
PubChem CID116156
DTXSIDDTXSID20981923

Chemical & Physical Properties

Boiling point113°C (estimate)
Density1.0423 (rough estimate)
Refractive index1.4330 (estimate)