Ferrous gluconate dihydrate
Synonyms
D-Gluconic acid, iron(II) salt, dihydrate;
Gluconic acid, iron(II) salt, hydrate (2:1:2);
Category
Anionic Surfactant
> Carboxylate
>> Glycosyl Carboxylate
>>> Monosaccharide Acid and its Derivatives
Chemical Numbering System
CAS: 22830-45-1
EINECS: N/A
Molecular Formula & Molecular Weight
Molecular Formula: C12H26FeO16; C6H12O7.1/2Fe.H2O
Molecular Weight: 482.17
Structure
Properties
Appearance (1), pale green solid.
Solubility soluble in water.
Stability stable. Easily oxidized.
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 |
4500mg/kg[1] |
|
rabbit oral LD50 |
3500mg/kg[1] |
|
mouse oral LD50 |
3700mg/kg[1] |
|
mouse intravenous LD50 |
98mg/kg[1] |
|
guinea pig oral LD50 |
2100mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent anti-oxidizing, 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 1903.10 Food safety national standard -- Food nutrition enhancer -- Ferrous gluconate
(1b), Chinese Pharmacopoeia (2015 Edition) Ferrous 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 antioxidant.
2, Food
Use as food additive (color-protecting agent), food nutrition enhancer.
3, Medicine
Use as pharmaceutical ingredient (antianaemic). (This section is for reference only, should be implemented according to local Pharmacopoeia.)
Manufacturers
References
[1]: ChemIDplus. 22830-45-1, Gluconic acid, iron(II) salt, hydrate (2:1:2)
Update: 20140129(1); 20190225(2);