China Factory Direct
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| CAS number | 51580-86-0 |
| Product name | 1,3-Dichloro-1,3,5-triazine-2,4,6(1H,3H,5H)-trione sodium salt dihydrate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeFood GradeCosmetic 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 |
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| Water Treatment | Disinfection of drinking water, swimming pool water, and industrial circulating cooling water | Dissolved and dosed to release hypochlorous acid for oxidative disinfection |
| Healthcare | Disinfection of medical devices, environmental surfaces, and waste | Applied as a solution of specified concentration via spraying, soaking, or wiping |
| Agriculture | Seed treatment, soil disinfection, and post-harvest preservation of fruits and vegetables | Treatment via seed soaking, foliar spraying, or fumigation using diluted solutions |
| Food Processing | Disinfection of equipment, pipelines, containers, and processing environments | Rinsing or fogging with prepared disinfectant solutions |
| Animal Husbandry | Sanitation and disease prevention in livestock/poultry housing, aquaculture water bodies, and farming tools | Disinfection by spraying, broadcasting, or soaking with aqueous solutions |
| Household & Industrial Cleaning | Active ingredient in bleaching and disinfecting cleaning products | Formulated with other additives into powder, tablet, or liquid products |
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Available Chlorine Content | Iodometric Method (Titration) | Under acidic conditions, sodium dichloroisocyanurate releases hypochlorous acid, which reacts with potassium iodide to release iodine. The generated iodine is titrated with a standard sodium thiosulfate solution, and the amount consumed is used to calculate the available chlorine content. This method is recommended by pharmacopoeias and industry standards (e.g., GB/T 13447). |
| Water Content (Crystallization Water) | Karl Fischer Method | The Karl Fischer reagent reacts quantitatively with water in the sample, and the water content is determined through electrochemical or volumetric methods. It accurately measures the crystallization water in the dihydrate (theoretical value about 13.5%) to determine whether the hydration state of the product meets the standard. |
| pH Value | Glass Electrode Method (pH Meter) | After preparing a specified concentration (e.g., 1% aqueous solution), the pH value is directly measured using a calibrated pH meter. The control range is typically between 5.0–7.0, reflecting the product's acidity/alkalinity and stability. |
| Impurity Content (e.g., Sodium Chloride) | Ion Chromatography (IC) or Precipitation Titration | Ion chromatography can separate and quantify chloride ions, and the NaCl impurity content is calculated by comparing with a standard curve. Traditional methods may use silver nitrate titration to measure total chloride ions, and then subtract the contribution from available chlorine to calculate inorganic chloride impurities. |
| Appearance and Color | Visual Inspection | Observe whether the sample is white or slightly yellow crystalline powder without visible impurities, lumps, or discoloration, meeting appearance standard requirements. |
| Disintegration Time / Solubility | Solubility Test | A certain amount of sample is added to a specified volume of water and stirred. The time required for complete dissolution is observed. The dihydrate should be easily soluble in water (usually < 5 minutes), used to evaluate the physical properties of the product. |
| Heavy Metal Content | Atomic Absorption Spectrometry (AAS) or ICP-MS | After acid digestion of the sample, heavy metals such as lead, arsenic, cadmium, and mercury are determined using atomic absorption or inductively coupled plasma mass spectrometry, complying with pharmaceutical or food-grade standards (e.g., GB 2760 or EP/USP). |
| Thermal Stability / Residue After Combustion | Combustion to Constant Weight Method | The sample is burned at high temperature (e.g., 500–600°C) until constant weight is achieved, measuring the residue content (e.g., inorganic salts, impurities) to assess the purity of organic components and the level of inorganic impurities. |
| Microbial Limits (e.g., for water treatment) | Plate Count Method / MPN Method | Bacterial count, mold and yeast count, and coliform bacteria are tested according to pharmacopoeia or ISO standards, applicable for microbial safety control of products used for drinking water disinfection. |
| Chloramine By-products (e.g., Trichloroisocyanuric Acid) | High-Performance Liquid Chromatography (HPLC) | HPLC is used to separate and detect possible unreacted raw materials or by-products (e.g., trichloroisocyanuric acid), ensuring product purity and completeness of reaction, suitable for high-purity grade products. |
| Test Item | Specification |
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| Appearance | White granular powder |
| Purity | >=98.0% (by NMR) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=10 ppm |
| Odor | Characteristic slight chlorine-like odor |
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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.