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25088-96-4

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25088-96-4 Structure

25088-96-4 Structure
IdentificationBack Directory
[Name]

Disodium stannous citrate
[CAS]

25088-96-4
[Synonyms]

Sodium stannous citrate
Disodium stannous citrate
[Molecular Formula]

C6H6NaO8Sn
[MOL File]

25088-96-4.mol
[Molecular Weight]

353.789
Chemical PropertiesBack Directory
[InChI]

InChI=1S/C6H8O7.2Na.Sn/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;2*+1;+2/p-3
[InChIKey]

ZVZUHAIYZGDSGS-UHFFFAOYSA-K
[SMILES]

[Na+].[Na+].[Sn+2].C([O-])(=O)CC(CC([O-])=O)(C([O-])=O)O
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Sodium hydroxide-->Stannous chloride dihydrate-->Citric acid-->Stannous chloride
Hazard InformationBack Directory
[Chemical Properties]

White crystals. Soluble in water, easy to absorb moisture and deliquescence. It is easily oxidized, begins to decompose at 250 ℃, turns yellow at 260 ℃, and turns brown at 283 ℃. Oral LD502.7g/kg for mice, ADI does not require special regulations.
[Uses]

Disodium stannous citrate is a reducing agent with antioxidant, color protection and antiseptic properties. It can be used in canned fruits and vegetables, mushrooms, and the maximum usage is 0.3g/kg.
[Uses]

Reducing agent; color-preserving agent; anti-corrosion agent.
[Synthesis]

The solution of citric acid and stannous chloride was added with sodium hydroxide under stirring, and suction filtration to obtain distannous citrate solution; then add citric acid to give stannous citrate; then add sodium hydroxide to neutralize to obtain the prduct,Disodium stannous citrate.
[Physiological effects]

Disodium stannous citrate has antioxidant, color-protecting effects, and low toxicity. Its color-protecting effect is better than that of common color-protecting agents such as citric acid, ascorbic acid, and sodium erythorbate, and is comparable to sulfite. At present, the research on the color protection of disodium stannous citrate mainly focuses on canned fruits and vegetables, and there is no research report on the color protection of olive juice.
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