1,Original product. 2,Good and higher purity. 3,Stable quality. 1)Physical characters:Red to Orange monoclinic system pyramidical or needle crystal, with the melting point of 398degree Celsius, slightly soluble in cold water and easily dissolve in hot water, its solution indicates acidity and hard to dissolve in slcohol and it is a kind of strong oxidizer, can be burnt by friction or striking with organic matter. It dose not deliquesce in the air, can not generate hydrate ethier. With toxicity.Molecular Weight: 294.2 g/moleHS CODE:2841500000   CAS#: 7778-50-9Color: Orange-Red.Boiling Point: Decomposition temperature: 500°C (932°F)Melting Point: 398°C (748.4°F)Critical Temperature: Not available.Specific Gravity: 2.676 @ 25 deg. C(Water = 1)Bulk Density: 1.6 g/m3 @ 20 deg. C2)Specifications:SPEC:K2Cr2O7>99.7%  Cl-<0.05%  Insoluble matters in water <0.02%  SO4 < 0.08%

99.7% Potassium Bichromate