I-Nicotinamide CAS 98-92-0 iyikristalu emhlophe efana nenaliti noma i-crystalline powder, engenaphunga noma enephunga elincane, enokunambitheka okubabayo kancane. Ukuminyana okuhlobene kungu-1.4, futhi indawo yokuncibilika ingu-129-131 °C. I-1g yalo mkhiqizo iyancibilika emanzini angu-1mL, i-ethanol engu-1.5mL noma i-10mL glycerol, kodwa ayincibiliki ku-ether. I-pH yesisombululo esinamanzi esingu-10% ngu-6.5 - Chemicalbook 7.5. Ine-hygroscopicity ebuthakathaka. Iqinile, imelana ne-asidi, i-alkali kanye nezinga lokushisa eliphezulu. Iyazinzile ekukhanyeni nasekushiseni emoyeni owomile, futhi i-nicotinic acid ikhiqizwa lapho ishiswa ngesisombululo se-alkaline noma esine-asidi. I-Rat oral LD502.5-3.5g/kg, inani le-ADI alenzi ukunikezwa okukhethekile (ECC, 1990).