<Tr> <Td> Molar mass </Td> <Td> 160.13 g mol </Td> </Tr> <Tr> <Td> Appearance </Td> <Td> white powder </Td> </Tr> <Tr> <Td> Density </Td> <Td> 1.482 g / cm </Td> </Tr> <Tr> <Td> Boiling point </Td> <Td> 338.4 ° C (641.1 ° F; 611.5 K) </Td> </Tr>

What is the reaction between ninhydrin and amino acid