Sodium iodide dihydrate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 13517-06-1 |
| Product name | Sodium iodide dihydrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeElectronic GradeReagent 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 iodide dihydrate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Sodium iodide dihydrate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Sodium iodide dihydrate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used to prepare radiolabeled compounds, such as iodine-123 and iodine-131 | Sodium iodide dihydrate serves as a precursor in radionuclide labeling reactions |
| Pharmaceuticals | Used as an auxiliary material for thyroid function testing and therapy | Formulation of iodine-containing pharmaceuticals or diagnostic reagents |
| Analytical Chemistry | Used as an analytical reagent in iodometric titrations | Acts as an iodine source or participates in redox reactions during titration |
| Materials Science | Used to prepare iodide dopants in nanomaterials | Dissolved and mixed with other precursors, followed by precipitation or sol-gel processing to obtain the target material |
| Agriculture | Used as a trace element additive to supplement dietary iodine | Incorporated into animal feed or fertilizers, then processed into final products via drying or granulation |
| Optics & Electronics | Used to prepare iodide components in optoelectronic materials or semiconductors | Functional thin films or crystals are generated via thermal treatment or chemical vapor deposition |
Manufacturing Quality Control of Sodium iodide dihydrate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (NaI) | Acid-base titration with iodine and sodium thiosulfate | Iodide is oxidized to iodine by bromine water, then titrated with standardized sodium thiosulfate using starch indicator. |
| Moisture content | Karl Fischer titration | Quantitative determination of water based on the reaction of iodine with sulfur dioxide and water in a methanol-pyridine medium. |
| Heavy metals (as Pb) | Colorimetric limit test with thioacetamide | Heavy metals react with thioacetamide under controlled pH to form colored metal sulfide complexes for visual comparison. |
| Sulfate (SO4) | Gravimetric analysis | Sulfate is precipitated as barium sulfate after acidification and addition of barium chloride, then weighed. |
| Chloride (Cl) | Argentometric titration (Mohr method) | Chloride ions are titrated with standardized silver nitrate using potassium chromate as indicator; endpoint is brick-red silver chromate formation. |
| Ammonium (NH4) | Nesslerization followed by UV-Vis spectrophotometry | Ammonium reacts with Nessler's reagent to form a yellow-brown complex measured at ~425 nm. |
| Iron (Fe) | Atomic Absorption Spectroscopy (AAS) | Ground-state iron atoms in flame absorb light at 248.3 nm; absorbance is proportional to concentration. |
| Arsenic (As) | Gutzeit limit test | Arsenic is reduced to arsine gas, which reacts with mercuric bromide paper to produce a yellow-to-brown stain. |
| pH of aqueous solution | Potentiometric measurement with pH meter | Hydrogen ion activity is determined using a calibrated glass electrode system in a 1% w/v aqueous solution. |
| Residue on ignition | Gravimetric analysis (weight loss on heating) | Sample is ignited at 600-700 C to burn off organic impurities; residue weight reflects inorganic ash content. |
| Particle size distribution | Laser diffraction | Scattering pattern of laser beam passing through dispersed particles is analyzed to calculate size distribution. |
| Microbial contamination | Membrane filtration and colony counting | Sample is filtered, membrane is placed on appropriate agar, and viable colonies are counted after incubation. |
Technical Specifications of Sodium iodide dihydrate
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
| Solubility | Freely soluble in water; practically 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 iodide dihydrate
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| Lot/Batch Number | *Required fields | |
Packaging of Sodium iodide dihydrate
Industrial Sodium iodide dihydrate 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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