Nicotinamide CAS 98-92-0 ke nale e tšoeu e kang kristale kapa phofo ea kristale, e sa nkheng kapa e nkhang hanyenyane, e nang le tatso e bohloko hanyenyane. Tekanyo e lekanyelitsoeng ke 1.4, 'me ntlha ea ho qhibiliha ke 129-131 °C. 1g ea sehlahisoa sena e qhibiliha ka metsing a 1mL, 1.5mL ethanol kapa 10mL glycerol, empa ha e qhibilihe ka har'a ether. PH ea 10% ea tharollo ea metsi ke 6.5 - Chemicalbook 7.5. E na le hygroscopicity e fokolang. E batla e tsitsitse, e hanana le asiti, alkali le mocheso o phahameng. E tsitsitse ho khanya le mocheso moeeng o omileng, 'me asiti ea nicotinic e hlahisoa ha e futhumala ka tharollo ea alkaline kapa acidic. Rat oral LD502.5-3.5g / kg, boleng ba ADI ha bo etse litokisetso tse khethehileng (ECC, 1990).