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Potassium sodium tartrate
CAS No.:6381-59-5
Structural formula:
Description:
colorless transparent or white crystal; specific gravity: 1.77, melting point: 70-80ºC, and slight efflorescence in the heat air. Begin to loss part crystalline water at 60ºC and loss all crystalline water at 215ºC. It is easy soluble in water and its aqueous solution is slightly alkali
Specification:
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Item
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Index
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Content
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≥98.0%
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Chloride
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≤0.008%
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Heavy metals (Pb)
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≤0.001%
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Sulphate
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≤0.05%
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Iron
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≤0.002%
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Insoluble in water
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≤0.05%
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US FCC(IV)£¨Food grade£©
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Item
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Index
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Content %
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99.0~102.0
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Alkalinity
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Passed
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Arsenic(As) ≤ %
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0.0003
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Clarity
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Passed
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Heavy metals(Pb) ≤ %
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0.001
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Water %
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21~27
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Uses: This product is used as baking powder in food industry; 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 and Storage: in woven bag or paperboard barrel; kept airtightly in a lightproof, dry and cool place.
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