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Sodium stannate CAS 12058-66-1

Sodium stannate is a key inorganic compound that serves as a vital source of tin in alkaline solutions. This white, crystalline material is highly soluble in water, forming a clear, alkaline solution that is stable in the presence of excess sodium hydroxide. Its primary value lies in its ability to provide soluble tin(IV) ions, which is essential for electrodeposition processes. It is a fundamental chemical in the electroplating industry for depositing tin and tin alloys onto various substrates, providing corrosion resistance, solderability, and a non-toxic surface. It is also widely used in the manufacturing process of ceramic pigments and glasses.
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  • 12058-66-1

  • bosschem

  • 12058-66-1

Product name: Sodium stannate

English alias: Sodium hexahydroxostannate(IV).

CAS: 12058-66-1

Molecular formula: Na2O3Sn

Appearance: White crystalline powder

Package: 25kg/bag

What is Sodium stannate?

Sodium stannate is a key inorganic compound that serves as a vital source of tin in alkaline solutions. This white, crystalline material is highly soluble in water, forming a clear, alkaline solution that is stable in the presence of excess sodium hydroxide. Its primary value lies in its ability to provide soluble tin(IV) ions, which is essential for electrodeposition processes. It is a fundamental chemical in the electroplating industry for depositing tin and tin alloys onto various substrates, providing corrosion resistance, solderability, and a non-toxic surface. It is also widely used in the manufacturing process of ceramic pigments and glasses.

COA:

Test Item

Unit

Result

锡(Sn)

≥ 42 %

42.4

铁(Fe)

≤ 0.02 %

0.003

铅(Pb)

≤ 0.002 %

0.0008

砷(As)

≤ 0.001 %

0.0005

锑(Sb)

≤ 0.0025 %

0.0005

游离碱(NaOH)

≤ 3.5 %

0.050

硝酸盐(NO3-)

≤ 0.1 %

0.008

碱不溶物

≤ 0.1 %

0.043

Application:

1.Electroplating:

The primary application. Used as the main source of tin in alkaline tin and tin-alloy electroplating baths for coating metals, providing a uniform, dense, and corrosion-resistant layer.

2.Ceramic Industry:

Acts as a mordant and weighting agent in ceramic glazes and as a raw material for manufacturing pink pigments and decorative glasses.

3.Textile Industry:

Serves as a fire-retardant and weighting agent for silk and other textiles.

4.Chemical Synthesis:

Used as an intermediate in the preparation of other tin compounds and catalysts.

5.Other Uses:

Employed in the manufacture of specialty soaps and as a stabilizer in some peroxide solutions.

Safety profile:

Sodium stannate is alkaline and may cause irritation to the skin, eyes, and respiratory system. Inhalation of dust should be avoided. It is recommended to use personal protective equipment (PPE), including gloves, safety goggles, and a dust mask, during handling. Although tin compounds are generally considered to have low systemic toxicity, appropriate industrial hygiene practices should be followed. It is not considered highly flammable or explosive.

Storage requirements:

keep the product dry

relative humidity < 50%

protect product against influences of weather and contamination

Transport & Packaging:

Sodium stannate for technical applications is solely supplied in packaging of different sizes . It can be packaged in various items: 25 kg bags, 1000 kg bags.


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