Nicotinamide CAS 98-92-0 ndi singano yoyera ngati kristalo kapena ufa wa crystalline, wopanda fungo kapena wonunkhira pang'ono, wokhala ndi kukoma kowawa pang'ono. Kuchulukana kwachibale ndi 1.4, ndipo malo osungunuka ndi 129-131 ° C. 1g ya mankhwalawa imasungunuka m'madzi 1mL, 1.5mL ethanol kapena 10mL glycerol, koma osasungunuka mu ether. PH ya 10% yankho lamadzi ndi 6.5 - Chemicalbook 7.5. Ali ndi hygroscopicity yofooka. Ndiwokhazikika, osamva asidi, alkali komanso kutentha kwambiri. Ndiwokhazikika pakuwala ndi kutentha mumlengalenga wouma, ndipo nicotinic acid imapangidwa ikatenthedwa mumchere wamchere kapena acidic solution. Rat oral LD502.5-3.5g/kg, mtengo wa ADI sumapanga zinthu zapadera (ECC, 1990).