Ethylenebis(nitrilodimethylene)tetraphosphonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1429-50-1 |
| Product name | Ethylenebis(nitrilodimethylene)tetraphosphonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Ethylenebis(nitrilodimethylene)tetraphosphonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethylenebis(nitrilodimethylene)tetraphosphonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ethylenebis(nitrilodimethylene)tetraphosphonic acid
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Used as a corrosion inhibitor and scale inhibitor in industrial recirculating cooling water systems and boiler water treatment to prevent metal corrosion and calcium/magnesium scale deposition. | Added directly to the water system, where it functions by chelating metal ions and dispersing scale crystals. |
| Textile Industry | Used as a hydrogen peroxide stabilizer in bleaching processes to prevent premature decomposition of hydrogen peroxide, thereby improving bleaching efficiency and fiber quality. | Added to the bleaching bath to chelate metal ions and minimize catalytic decomposition. |
| Paper Industry | Used as a stabilizer in pulp bleaching to prevent metal-catalyzed decomposition of hydrogen peroxide and enhance bleaching efficiency. | Added during the hydrogen peroxide bleaching stage to control decomposition rate. |
| Detergents & Personal Care | Used as a chelating agent in certain cleaning formulations and cosmetics to sequester calcium, magnesium, and other metal ions, thereby improving product performance. | Formulated with other ingredients in the final product. |
| Agriculture | Used as a micronutrient chelating agent in certain fertilizer or pesticide formulations to enhance plant uptake of nutrients. | Applied as pre-formed chelates with trace metal elements. |
| Oilfield & Mining | Used as an iron stabilizer in oil well acidizing treatments to prevent ferric hydroxide precipitation; employed as an inhibitor or chelating agent in mineral processing. | Injected during acidizing or enhanced oil recovery operations; added during flotation or leaching processes. |
Manufacturing Quality Control of Ethylenebis(nitrilodimethylene)tetraphosphonic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (EDTMP content) | Acid-Base Titration | Quantifies EDTMP by titration with standardized NaOH after hydrolysis to release acidic protons. |
| Total Phosphorus | UV-Vis Spectrophotometry | Measures phosphomolybdate complex absorbance at 880 nm after oxidation and color development. |
| Iron (Fe) | ICP-OES | Determines Fe concentration via atomic emission intensity of characteristic spectral lines in plasma. |
| Heavy Metals (Pb, Cd, Hg, As) | AAS | Quantifies individual heavy metals by atomic absorption at element-specific wavelengths. |
| Chloride (Cl-) | Potentiometric Titration | Measures Cl- using silver nitrate titrant with Ag/AgCl electrode detecting endpoint potential change. |
| pH (1% aqueous solution) | pH Meter Measurement | Direct potentiometric measurement of hydrogen ion activity in dilute aqueous solution. |
| Density (20 degC) | Pycnometry | Determines mass per unit volume using calibrated glass pycnometer at controlled temperature. |
| Water Content | Karl Fischer Titration | Quantifies water via stoichiometric reaction between iodine, sulfur dioxide, and water in methanol/pyridine medium. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity against standard reference under controlled lighting. |
| Free Acid (H+ equivalents) | Acid-Base Titration | Measures titratable acidity with standardized NaOH using phenolphthalein or potentiometric endpoint. |
| Sulfate (SO4) | Gravimetric Analysis | Precipitates BaSO4 from acidified sample and determines sulfate as weight of dried precipitate. |
| Viscosity (25 degC) | Rotational Viscometry | Measures resistance to flow using rotating spindle in sample at controlled temperature and shear rate. |
Technical Specifications of Ethylenebis(nitrilodimethylene)tetraphosphonic acid
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by NMR) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Color (APHA/Pt-Co) | <=50 |
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 Ethylenebis(nitrilodimethylene)tetraphosphonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Ethylenebis(nitrilodimethylene)tetraphosphonic acid
Safety Information of Ethylenebis(nitrilodimethylene)tetraphosphonic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Ethylenebis(nitrilodimethylene)tetraphosphonic acid
Industrial Ethylenebis(nitrilodimethylene)tetraphosphonic acid 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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