China Factory Direct
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| CAS number | 2273-45-2 |
| Product name | DIMETHYLTIN OXIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeIndustrial GradeSpecialty GradeMaterial GradeElectronic GradeCosmetic GradeFood 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Plastics Industry | Heat Stabilizer | Used in PVC products to enhance thermal stability and minimize degradation during high-temperature processing. |
| Coatings Industry | Catalyst | Applied as a catalyst in polyurethane coating synthesis to accelerate reaction rates. |
| Electronics Industry | Conductive Material Additive | Incorporated into conductive polymers or metal oxides to improve electrical conductivity. |
| Textile Treatment | Waterproofing Agent | Applied in surface treatment of textile fabrics to impart effective water repellency. |
| Pharmaceuticals | Synthetic Intermediate | Used in constructing specific drug molecular frameworks as a key organic synthetic building block. |
| Pesticide Manufacturing | Insecticidal Active Ingredient | Functions as an active ingredient in certain insecticides, exhibiting toxicity against target pests. |
| Consumer Chemicals | Antibacterial and Antifungal Agent | Formulated into personal care products such as shampoos and body washes to inhibit bacterial growth. |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Dimethyltin Oxide Content) | Acid-Base Titration | Titration of the oxide with standardized HCl followed by back-titration with NaOH to determine active Sn-O content. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Quantitative multi-element analysis after acid digestion using inductively coupled plasma optical emission spectroscopy. |
| Tin Content | Gravimetric Analysis | Precipitation of tin as stannic oxide hydrate followed by ignition and weighing of SnO2 residue. |
| Chloride Impurity | Potentiometric Titration | Titration with AgNO3 using silver indicator electrode to detect endpoint based on AgCl precipitation potential change. |
| Water Content | Karl Fischer Titration | Coulometric or volumetric determination of water via iodine generation and reaction with water in pyridine-methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 800 C and weighing non-volatile residue as measure of inorganic impurities. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against standard reference under controlled lighting conditions. |
| pH of Aqueous Solution | pH Meter Measurement | Measurement of pH in a defined aqueous suspension (e.g., 1% w/v) using calibrated pH electrode. |
| Volatile Matter | Thermogravimetric Analysis (TGA) | Weight loss measurement upon heating under nitrogen to determine volatile organic impurities and solvents. |
| Iron Impurity | AAS | Atomic absorption spectroscopy at 248.3 nm after acid digestion and matrix matching. |
| Organotin By-products (e.g., Dimethyltin Dichloride) | GC-FID | Gas chromatographic separation followed by flame ionization detection using appropriate column and temperature program. |
| Specific Gravity | Pycnometry | Determination of density relative to water at 25 C using calibrated pycnometer. |
| Test Item | Specification |
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| Appearance | White to almost white powder or crystals |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Melting Point | 140–145 °C |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.