lactamide lactamide lactamide is an amide derived from lactic acid. it is a white crystalline solid with a melting point of 73-76 °c. lactamide names preferred iupac name 2-hydroxypropanamide other names 2-hydroxypropionamide; lactic acid amide; lactic amide; α-hydroxypropionamide identifiers cas number 2043-43-8 y598-81-2 (r) y89673-71-2 (s) y 3d model (jsmol) interactive image chebi chebi:75144 chemspider 85030 echa infocard 100.016.410 pubchem cid 94220 unii 4jzp7xjn3o y inchi inchi=1s/c3h7no2/c1-2(5)3(4)6/h2,5h,1h3,(h2,4,6)key: sxqfcvdsolshoq-uhfffaoysa-ninchi=1/c3h7no2/c1-2(5)3(4)6/h2,5h,1h3,(h2,4,6)key: sxqfcvdsolshoq-uhfffaoyap smiles o=c(n)c(o)c properties chemical formula c3h7no2 molar mass 89.094 g·mol−1 melting point 73 to 76 °c (163 to 169 °f; 346 to 349 k) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references lactamide can be prepared by the catalytic hydration of lactonitrile.