Sodium Gluconate

CAS No.: 527-07-1

Molecular formula: C6H11NaO7

Molecular weight: 218.14

Properties: white or light yellow crystalline powder. Soluble in water; slightly soluble in alcohol; insoluble in ether.


Used in food additives: regulates the acid-base balance in the human body to restore the normal function of the nerves, and is used as a water quality stabilizer. Its superiority is manifested in:

(1) It has obvious coordination effect and is suitable for various formulations such as molybdenum, silicon, phosphorus, tungsten and nitrite. The corrosion inhibition effect is greatly improved due to the coordination effect;

(2) Contrary to general corrosion inhibitors, the corrosion inhibition rate increases with increasing temperature;

(3) The technical requirements for scale inhibition capacity have strong complexing ability for calcium, magnesium and iron salts, especially for Fe3+;

(4) As a circulating cooling water corrosion and scale inhibitor, it is unmatched by other corrosion and scale inhibitors currently used, and can achieve the effect of eliminating pollution;

Used as a steel surface cleaning agent: it can prevent the precipitation of hydroxides such as iron and aluminum in the solution. If the surface of the steel needs to be plated, chrome-plated, tin-plated or nickel-plated to suit special applications, the surface of the slab must be strictly cleaned so that the coating is firmly bonded to the steel surface. At this time, the addition of sodium gluconate to the cleaning agent will Achieve very desirable results;

Special cleaning agent for glass bottles: Professional cleaning agent for glass bottles with sodium gluconate as the main formula can improve the following common problems: the detergency is not strong, it is easy to block the nozzle and pipeline of the bottle washer; the bottle sticker and the bottleneck rust The dyeing power is not ideal; the trace residue after washing is not ideal for food safety (such as phosphate residue); the washing water is discharged into public hazard;

Used as cement admixture: adding a certain amount of sodium gluconate to the cement can increase the plasticity and strength of the concrete, and has a retarding effect, that is, delay the initial and final solidification time of the concrete;

It can be used in many industrial fields such as electroplating and film manufacturing to prevent precipitation of hydroxides such as iron and aluminum in solution.


Product specification list  

Item Index
Industrial grade Food grade
Characters white or light yellow crystal powder white or light yellow powder or particle
Content ≥ 98.0 % ≥ 98.0-102.0%
Chloride ≤ 0.1 % ≤ 0.07%
Sulphate ≤ 0.05 % ≤ 0.05%
Reductive material ≤ 1.2 % ≤ 0.7%
Drying on loss ≤ 1.2 % ≤ 0.5%
Lead salt ≤ 0.001 % ≤ 0.001%
Heavy metal ≤ 0.002 % ≤ 0.002%

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