1-Hydroxyethanediphosphonic acid sodium salt Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 29329-71-3 |
| Product name | 1-Hydroxyethanediphosphonic acid sodium salt |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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) |
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Documents We Provide for 1-Hydroxyethanediphosphonic acid sodium salt
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 1-Hydroxyethanediphosphonic acid sodium salt Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 1-Hydroxyethanediphosphonic acid sodium salt
| Industry | Application | Process |
|---|---|---|
| Metallurgical Industry | Corrosion inhibition for metals | Added to cooling water systems as a corrosion inhibitor |
| Petrochemical Industry | Scale inhibition | Used as a scale inhibitor during crude oil production and refining |
| Consumer Chemicals | Ingredient in cleaning formulations | Employed in the production of high-performance cleaning products to enhance chelating capacity |
| Textile Printing & Dyeing | Water softening | Removes calcium and magnesium ions in textile processing to improve water quality |
| Pharmaceutical Industry | Stabilizer | Maintains the stability of active pharmaceutical ingredients in drug formulations |
| Food Industry | Formulation aid | Provides chelating functionality in food additives |
Manufacturing Quality Control of 1-Hydroxyethanediphosphonic acid sodium salt
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Take an appropriate amount of sample and place it on a white background. Observe its color, state, and transparency under natural light or standard illumination. It should generally be a colorless to slightly yellow transparent liquid or white crystalline powder. |
| pH Value | pH Meter Method | Measure the pH value of a solution with a certain concentration (e.g., 10 g/L) at 25°C using a pH meter. The pH is usually controlled within the range of 1.5–3.0. |
| Sodium Hydroxyethylenediphosphonate Content | Complexometric Titration (EDTA Titration) | This method involves the formation of stable complexes between metal ions (such as Zn²⁺ or Cu²⁺) and HEDP, followed by back-titration of excess metal ions with EDTA to calculate the content of HEDP-Na. Alternatively, perchloric acid non-aqueous titration can also be used. |
| Chloride | Silver Nitrate Turbidimetric Method or Ion Chromatography | In nitric acid medium, silver nitrate is added to react with chloride ions to form silver chloride turbidity, which is compared with a standard turbidimetric solution; alternatively, ion chromatography can be used for quantitative analysis of Cl⁻. |
| Sulfate | Barium Sulfate Turbidimetric Method or Ion Chromatography | In hydrochloric acid medium, barium chloride is added to form barium sulfate precipitate, which is determined by turbidimetry; alternatively, ion chromatography can be used for precise determination of SO₄²⁻. |
| Iron (Fe) Content | Orthophenanthroline Spectrophotometry | Under pH conditions of 3–9, Fe²⁺ forms an orange-red complex with orthophenanthroline, and the absorbance is measured at 510 nm to calculate the iron content. |
| Heavy Metals (as Pb) | Sulfur Acetamide Colorimetric Method | Under weakly acidic conditions, heavy metal ions react with sulfur acetamide to form colored sulfide precipitates, which are compared with a lead standard solution for limit testing. |
| Drying Loss / Moisture | Drying Loss Method or Karl Fischer Method | For solid samples, dry at 105°C until constant weight and calculate the percentage loss; for liquid samples, moisture can be determined by Karl Fischer coulometric or volumetric methods. |
| Arsenic (As) Content | Gutzeit's Method or Atomic Fluorescence Spectrometry (AFS) | Gutzeit's method involves the reaction of arsenic hydride gas with mercuric bromide paper for color comparison; modern methods often use atomic fluorescence spectrometry for trace arsenic analysis. |
| Organic Impurities | High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with phosphate buffer-methanol as the mobile phase, and detect with ultraviolet or differential refractive index detectors to evaluate the purity of the main peak and impurity peaks. |
Technical Specifications of 1-Hydroxyethanediphosphonic acid sodium salt
| 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% |
| 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 1-Hydroxyethanediphosphonic acid sodium salt
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 1-Hydroxyethanediphosphonic acid sodium salt
| Pictograms |  |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 1-Hydroxyethanediphosphonic acid sodium salt
Industrial 1-Hydroxyethanediphosphonic acid sodium salt 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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