Potassium gluconate
Synonyms
D-Gluconic acid, monopotassium salt;
D-Gluconic acid, potassium salt (1:1);
Potassium D-gluconate;
2,3,4,5,6-Pentahydroxyhexanoic acid, potassium salt;
Category
Anionic Surfactant
> Carboxylate
>> Glycosyl Carboxylate
>>> Monosaccharide Acid and its Derivatives
Chemical Numbering System
CAS: 299-27-4
EINECS: 206-074-2
Molecular Formula & Molecular Weight
Molecular Formula: C6H11KO7; C6H12O7.K
Molecular Weight: 234.25
Structure
Properties
Appearance (1), white powder.
Solubility soluble in water.
Stability stable.
Risk Solid form: flammable material; irritation, irritation to skin, eye, respiratory system. Harmful products of combustion are CO, CO2 and so on. Contact with strong oxidants, can cause to burn.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
rat oral LD50 |
10380mg/kg[1] |
|
rat intraperitoneal LD50 |
2664mg/kg[1] |
|
rat subcutaneous LD50 |
9650mg/kg[1] |
|
mouse oral LD50 |
9100mg/kg[1] |
|
mouse intraperitoneal LD50 |
2333mg/kg[1] |
|
mouse subcutaneous LD50 |
8190mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent hydrotropic, anticorrosive, dispersing abilities.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Product standards
(1), Chinese standards
(1a), GB 1903.41 Food safety national standard -- Food nutrition enhancer -- Potassium gluconate
4, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
(b), Used in cosmetics, should be test for harmful substances or furtherly test for microorganisms, according to local regulations and standards.
Major Uses
1, Typical applications
Use as chelating agent.
2, Personal care products
Chelating agent, skin protective agent in personal care products.
3, Industrial cleaning agents
Anti-rust agent, corrosion inhibitor in metal processing, metal cleaning.
Auxiliary cleansing agent in metal cleaning, glass cleaning.
4, Water treatment
Corrosion and scale inhibitor in water treatment.
5, Electroplating industry
Use as plating ingredient.
6, Concrete
Water reducing agent, retarder in concrete.
7, Food
Use as food nutrition enhancer.
Manufacturers
References
[1]: ChemIDplus. 299-27-4, Potassium gluconate
Update: 20140129(1); 20190225(2);