SODIUM STANNATE TRIHYDRATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 12209-98-2 |
| Product name | SODIUM STANNATE TRIHYDRATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent GradeIndustrial Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for SODIUM STANNATE TRIHYDRATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk SODIUM STANNATE TRIHYDRATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of SODIUM STANNATE TRIHYDRATE
| Industry | Application | Process |
|---|---|---|
| Electroplating | Used as the primary salt in alkaline tin plating electrolytes | Alkaline tin plating process: provides a source of tin ions for depositing tin layers on metal surfaces to prevent corrosion or improve solderability |
| Textiles | Used as a mordant and flame-retardant finishing agent | Forms complexes with dyes during fabric dyeing to enhance color fastness; or acts synergistically with other flame retardants in flame-retardant treatment of cotton fabrics |
| Glass & Ceramics | Used as an opacifier and light-diffusing agent | Incorporated into glass or glazes to form microcrystalline structures during high-temperature firing, producing opacity or a milky-white appearance |
| Catalysis | Used as a catalyst or co-catalyst in organic synthesis reactions | Acts as a Lewis acid catalyst component in esterification, condensation, and related reactions |
| Chemical Reagents | Used in analytical chemistry and laboratory synthesis | Serves as a tin source in precipitation, reduction, or preparation of other tin compounds |
| Water Treatment | Used as a component of corrosion inhibitors | Formulated with other additives in cooling water systems to suppress corrosion of metal piping |
Manufacturing Quality Control of SODIUM STANNATE TRIHYDRATE
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Tin content (Sn) | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) | After sample dissolution with acid, the concentration of tin element in the solution is determined by atomic absorption or inductively coupled plasma technology. It has high accuracy and sensitivity, suitable for quantitative analysis of trace and common tin. |
| Sodium content (Na) | Flame photometry or ICP-OES | Flame photometry is used to determine the concentration of sodium ions, which is simple to operate; or ICP-OES can be used for simultaneous multi-element determination, providing more comprehensive results, suitable for batch sample analysis. |
| pH value | pH meter measurement method | Dissolve sodium stannate in water to a certain concentration, then measure the acidity or alkalinity directly with a precision pH meter. This reflects the alkalinity strength of the product and is an important indicator for controlling product quality. |
| Water-insoluble matter content | Gravimetric method (filtration-drying-weighing) | Dissolve the sample in water, filter the residue, dry it to constant weight, and calculate the percentage of water-insoluble matter. It is used to evaluate impurities and particulate content. |
| Chloride (Cl⁻) | Silver nitrate titration (Mohr's method) or ion chromatography (IC) | The silver nitrate titration method is used to determine chloride ion content, suitable for medium to low concentrations; ion chromatography can simultaneously detect multiple anions, with high sensitivity and selectivity. |
| Sulfate (SO₄²⁻) | Gravimetric method (precipitation-filtration-weighing) or spectrophotometry | Barium chloride is added to form barium sulfate precipitate, which is filtered, washed, dried, and weighed to calculate the content. Alternatively, the chromate barium spectrophotometric method can be used for rapid determination. |
| Iron content (Fe) | 1,10-Phenanthroline spectrophotometry or ICP-OES | In acidic conditions, iron ions form an orange-red complex with 1,10-phenanthroline, and the absorbance is measured for quantification. Alternatively, ICP-OES can be used for simultaneous multi-element detection. |
| Impurity metals (e.g., lead, cadmium, arsenic, etc.) | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | It is suitable for high-sensitivity detection of trace heavy metal elements and can simultaneously analyze multiple harmful elements, meeting environmental and safety standards. |
| Moisture content (water content) | Karl Fischer Titration (KF) | The moisture content of the sample is determined using Karl Fischer reagent by coulometric or volumetric method, suitable for solid or liquid samples, with high accuracy. |
| Total Alkalinity (calculated as Na₂O) | Acid-base titration (dual indicator method) | Standard acid solution is used to titrate the sodium stannate solution, with phenolphthalein and methyl orange as indicators to determine the total alkalinity, reflecting the effective component content of the product. |
Technical Specifications of SODIUM STANNATE TRIHYDRATE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.0% (as Na2SnO3); Sn content: 41.5–42.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=1.0% |
| Heavy Metals | <=20 ppm (as Pb) |
| Total Impurities | <=2.0% |
| Solubility | Freely soluble in water; insoluble in ethanol |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of SODIUM STANNATE TRIHYDRATE
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Packaging of SODIUM STANNATE TRIHYDRATE
Industrial SODIUM STANNATE TRIHYDRATE Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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