Nicotinamide CAS 98-92-0 ichena tsono-yakafanana nekristaro kana crystalline poda, isina kunhuhwirira kana kuti inonhuwa zvishoma, ine inovava zvishoma. Density yehukama ndeye 1.4, uye nzvimbo yekunyunguduka i129-131 °C. 1g yechigadzirwa ichi inonyungudika mumvura 1mL, 1.5mL ethanol kana 10mL glycerol, asi isinganyungudika muether. Iyo pH ye10% aqueous solution ndeye 6.5 - Chemicalbook 7.5. Ane weak hygroscopicity. Yakagadzikana, inopikisa acid, alkali uye kupisa kwakanyanya. Yakagadzikana kujekesa uye kupisa mumhepo yakaoma, uye nicotinic acid inogadzirwa kana inopisa mu alkaline kana acidic solution. Rat oral LD502.5-3.5g/kg, kukosha kweADI hakuiti zvigadziro zvakakosha (ECC, 1990).