Ethylenediamine tetra(methylenephosphonic acid) pentasodium salt Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7651-99-2 |
| Product name | Ethylenediamine tetra(methylenephosphonic acid) pentasodium salt |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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) |
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Documents We Provide for 7651-99-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 7651-99-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 7651-99-2
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Chelating agent to prevent scale formation and corrosion | Added to recirculating cooling water or boiler water |
| Cleaning Industry | Metal surface cleaning and descaling | Formulated into acidic or neutral cleaning solutions |
| Textile Printing & Dyeing | Water softener and metal ion sequestrant | Added during pre-treatment prior to bleaching or dyeing |
| Paper Industry | Hydrogen peroxide stabilizer | Used in pulp bleaching processes |
| Household & Industrial Cleaning Products | Detergent builder to enhance soil removal | Incorporated into liquid or powdered detergents |
| Chemical Synthesis | Stabilizer for metal catalysts | Integrated into catalytic reaction system formulation |
Manufacturing Quality Control of 7651-99-2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (EDTMPA-5Na content) | Acid-base titration with HCl | Quantifies total chelating capacity by back-titration after acid hydrolysis and neutralization. |
| pH (1% aqueous solution) | Potentiometric pH measurement | Measures hydrogen ion activity using calibrated glass electrode in standardized solution. |
| Sodium content | ICP-OES | Determines Na concentration via atomic emission intensity at characteristic wavelength after acid digestion. |
| Phosphorus content | UV-Vis spectrophotometry (molybdenum blue method) | Measures phosphomolybdate complex absorbance at ~880 nm after reduction. |
| Heavy metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantifies trace heavy metals by absorption of ground-state atoms in flame or graphite furnace. |
| Chloride content | Potentiometric titration with AgNO3 | Detects Cl- via silver nitrate titration using silver indicator electrode. |
| Iron content | ICP-OES or AAS | Measures Fe concentration by atomic emission or absorption after sample digestion. |
| Water content | Karl Fischer titration | Determines water by coulometric or volumetric reaction with iodine generated in pyridine-methanol medium. |
| Insoluble matter | Gravimetric analysis | Filters dried sample solution, dries and weighs residue to determine suspended/undissolved solids. |
| Color (APHA) | Visual comparison or spectrophotometric measurement | Evaluates yellowness against platinum-cobalt standard scale using 10 cm cell. |
| Bulk density | Graduated cylinder method | Measures mass per unit volume of freely poured powder under standardized conditions. |
| Loss on drying | Thermogravimetric analysis (TGA) or oven drying | Determines volatile content by mass loss after heating at 105 C for specified time. |
Technical Specifications of 7651-99-2
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
| Solubility | Freely soluble in water |
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 7651-99-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 7651-99-2
Industrial 7651-99-2 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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