Tetrolic acid

Tetrolic acid
Names
Preferred IUPAC name
But-2-ynoic acid
Other names
2-Butynoic acid
Butynoic acid
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.815
UNII
  • InChI=1S/C4H4O2/c1-2-3-4(5)6/h1H3,(H,5,6)
    Key: LUEHNHVFDCZTGL-UHFFFAOYSA-N
  • CC#CC(=O)O
Properties
CH3C≡CCO2H
Molar mass 84.074 g·mol−1
Density 0.9641 g/cm3
Melting point 78 °C (172 °F; 351 K)
Boiling point 203 °C (397 °F; 476 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Tetrolic acid (2-butynoic acid) is a short-chain unsaturated carboxylic acid, described by the formula CH3−C≡C−CO2H. Salts and esters of tetrolic acid are known as tetrolates.

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