Sodium diacetate is supplied as free flowingcrystals, as a powder, as a fine powder or as avery fine powder.Sodium diacetate contains approximatelyequimolar amounts of sodium acetate and aceticacid.Sodium diacetate is a compound with formulaNaH(C₂H,Oz)z.lt is a salt of acetic acid. lt is acolorless solid that is used in seasonings and asan antimicrobial agent