INicotinamide CAS 98-92-0 yikristale emhlophe enaliti okanye icrystalline powder, engenavumba okanye enevumba elincinane, enencasa ekrakra kancinane. Uxinzelelo olunxulumeneyo yi-1.4, kwaye indawo yokunyibilika yi-129-131 °C. I-1g yale mveliso i-soluble kwi-1mL yamanzi, i-1.5mL ethanol okanye i-10mL glycerol, kodwa ayinakunyibilika kwi-ether. I-pH ye-10% yesisombululo samanzi ngu-6.5 - i-Chemicalbook 7.5. Ine-hygroscopicity ebuthathaka. Izinzile, ayinyangeki kwi-asidi, i-alkali kunye nobushushu obuphezulu. Izinzile ekukhanyeni kunye nokushisa emoyeni owomileyo, kwaye i-nicotinic acid yenziwa xa ishushu kwisisombululo se-alkaline okanye esine-acidic. I-Rat yomlomo LD502.5-3.5g / kg, ixabiso le-ADI alenzi izibonelelo ezikhethekileyo (ECC, 1990).