EINECS: 200-646-5
Molecular Formula: C₈H₆N₄O₅ 
Synonyms: Furadonin; Uerineks; Sodium nitrofurantoin; Berkfuran; Macrodantina; 1-[[(5-Nitro-2-furanyl)methylene]amino]-2,4-imidazolidinedione; Urantoin; 2,4-Imidazolidinedione,1-[[(5-nitro-2- furanyl)methylene]amino]-; 1-[(5-nitro-2-furyl)methylideneamino]imidazolidine-2,4-dione; Urolisa; Furatoin; NSC-2107; Furadantin; N-Toin; 1-(5-Nitro-2-furfurylidenamino)hydantoin; 54-87-5; 5-Nitrofurantoin; Furadonine; 2,4-Imidazolidinedione, 1-[[ (5-nitro-2-furanyl)methylene]amino]-; Macrofurin; Trantoin; Urodin; Furina; Hydantoin, 1-(5-nitro-furfurylideneamino)-; Macpac; Hydantoin, 1-((5-nitrofurfurylidene)amino)-; Zoofurin; PiyEloseptyl; Ceduran;
Appearance: lemon yellow crystalline powder
Molecular Weight: 238.16
Density: 0.915 g/cm3 (20 C)
Melting Point: 268℃
Flash Point: 43
Storage Temperature: 0-6°C
Refractive index: 1.52 (20 C)
Solubility: <0.01 g/100 mL at 19 oC
Stability: Stability Stable, but light-sensitive. Combustible. Incompatible with strong oxidizing agents, strong alkalies, strong acids. Decomposes upon contact with most metals other than stainless steel and aluminium.
Usage: Ingredient in expectorants, tonic to treat pellagra, a pain relief formula, and and expectorant.