Formula CrO3, relative molecular mass of 99.994, this product is a dark red flakes, melting point 197 (decomposition), specific gravity of 2.70 g/cm3, has the strong oxidizing, deliquescence and highly soluble in water, with organic contact friction can cause burning, poisonous.Packed in sealed in barrel, a barrel in net weight 50 kg, 100 kg or 200 kg (according to customer requirements).