CAS Registry Number: [527-07-1]
Chemical Formula: C6H11NaO7
E-Number: E576
Characteristics
The outstanding property of sodium gluconate is its excellent chelating power, especially in alkaline and concentrated alkaline solutions. It forms stable chelates with calcium, iron, copper, aluminium and other heavy metals, and in this respect, it surpasses all other chelating agents, such as EDTA, NTA and related compounds.
Aqueous solutions of sodium gluconate are resistant to oxidation and reduction, even at high temperatures. However, it is easily degraded biologically (98% after 2 days), and thus presents no wastewater problem.
Sodium gluconate is also a highly efficient set retarder and a good plasticiser / water reducer for concrete, mortar and gypsum.
And last but not least, it has the property to inhibit bitterness in foodstuffs.
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