【Scientific Name】Rochelle Salt
【Molecular Formula】KNaC₄H₄O₆·4H₂O
【Structural Formula】

【Molecular Weigh】282.23
【Character】Colorless crystals or white crystal,specific gravity is 1.79,PH value is 6.8~8,the melting point is 70~80°C.Have minute efflorescence in the heat air,lose some water when heated to 60°C,and lose 3 water molecules at 100°C,become salt without water at 215°C. Freely insoluble in water, the solution assumes minute alkalescence.

【Specifications】US FCC(IV)（Food grade）

US FCC(IV)
Item	Index
Content %	99.0~102.0
Alkalinity	passed
Arsenic(As) ≤%	0.0003
Clarity	passed
Heavy metals(Pb)≤%	0.001
Water%	21~27

【Uses】This product is used as reducer in plating of printing, mirror, and thermos industries; as complexing agent in electroplating industry;as laxative agent in pharmacy in the making of crystal speakers and microphones in telecom industry; as desalting agent in chemical fertilizer industry; and also used in glass industry and other industries.
【Packing】25kg complex bag