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Technical specifications
Basic Information
| Item | Parameters |
|---|---|
| Product Name | Tetrasodium EDTA solution |
| Product alias | EDTA Tetrasodium Liquid |
| English Name | EDTA-4Na Solution / Tetrasodium EDTA Solution |
| Molecular Formula | C₁₀H₁₂N₂O₈Na₄ |
| Molecular Weight | 380.2 |
| CAS No. | 64-02-8 |
| Appearance | Light yellow liquid |
Industrial Grade Specifications
| Test Item | Standard |
|---|---|
| Content | 39% Min. |
| pH (1% aqueous solution, 25℃) | 11.0 — 12.0 |
| NTA | 2% Max. |
| Chelation Value | 100 Min. (mgCaCO₃/g) |
| Specific gravity (g/cm³, 25℃) | 1.26 — 1.35 |
| Color (Hazen) | 250 Max. |
| Lead (Pb) | 0.001% Max. |
| Appearance | Light yellow liquid |
Daily chemical grade specifications
| Test Item | Standard |
|---|---|
| Content | 39% Min. |
| pH (1% aqueous solution, 25℃) | 9.0 — 11.5 |
| NTA | 0.1% Max. |
| Chelation Value | 102 Min. (mgCaCO₃/g) |
| Specific gravity (g/cm³, 25℃) | 1.20 — 1.30 |
| Color (Hazen) | 30 Max. |
| Lead (Pb) | 0.001% Max. |
| Iron (Fe) | 0.001% Max. |
| Appearance | Light yellow liquid |
Product introduction
Product Overview
Tetrasodium EDTA Solution (EDTA-4Na Solution), molecular formula C₁₀H₁₂N₂O₈Na₄, molecular weight 380.2, CAS 64-02-8. Light yellow liquid, ready to use without dissolving, convenient and fast. Available in industrial and household grades to meet various application needs.
Core Advantages
- Ready-to-UseNo dissolving required, ready to use, convenient and fast
- Multiple specifications availableTwo specifications: industrial grade and household grade
- High ConcentrationContent ≥39%, strong chelating ability
- Alkaline FormulapH 9.0–12.0, suitable for alkaline systems.
- Low ChromaHousehold grade: color ≤30 Hazen, clear appearance.
- Convenient ShippingLiquid form, easy to measure and add
Product Advantage Comparison
| Grade | Content | pH | Color | Applications |
|---|---|---|---|---|
| Industrial Grade | ≥39% | 11.0-12.0 | ≤250 | Industrial cleaning, metal treatment |
| Daily Chemical Grade | ≥39% | 9.0-11.5 | ≤30 | Household cleaning, personal care |
Grade
Application Reference
Recommended Dosage
| Application Scenarios | Recommended Dosage | Description |
|---|---|---|
| Industrial cleaning agent | 5-20% | Adjust according to cleaning requirements and formulation |
| Metal Treatment Fluid | 1-10% | Used to prevent metal ion interference |
| Boiler water treatment | 10-50 mg/L | Adjust according to water hardness |
| Household Cleaning Products | 1-5% | Enhances cleaning effect, softens water |
Usage suggestions
- Shake well before use to ensure uniform mixing
- Can be mixed with most surfactants, but a premix test is recommended.
- Avoid direct mixing with strong acids to prevent reduced chelation.
- Recommended storage temperature: 5–35°C; avoid freezing and high heat.
- Specific dosage should be adjusted according to formulation requirements, cleaning targets, and local regulations.
- It is recommended to conduct a small-scale test before large-scale use
- If mixing with other chemicals, conduct a compatibility test first.
Applications
Industrial Cleaning
Used in industrial cleaners, metal treatment fluids, boiler water treatment, etc., to effectively remove metal ions and prevent scaling and corrosion.
Home Cleaning
Used in household cleaning products such as laundry liquid, dishwashing detergent, floor cleaner, etc., to enhance cleaning effectiveness and soften water.
- Store in a Cool Place
- Keep container tightly closed
- Store in a dry, ventilated place
- Protect from freezing in winter
FAQ
Main differences:
- ColorCosmetic grade: color ≤30 Hazen (clearer), industrial grade: color ≤250 Hazen
- pH ValueCosmetic grade: pH 9.0-11.5 (milder), industrial grade: pH 11.0-12.0
- NTA Content≤0.1% for household grade (lower possible), ≤2% for industrial grade.
- ApplicationsCosmetic grade suitable for household cleaning, personal care, etc.; industrial grade suitable for industrial cleaning, metal treatment, etc.
Main differences:
- FormSolution is liquid, powder is solid
- Ease of UseSolution is ready-to-use without dissolving, more convenient
- ConcentrationSolution content ≥39%, ready-to-use diluted form.
- ShippingLiquid transport is more convenient than powder, especially suitable for bulk use.
- StoragePowder is easier for long-term storage; solution requires freeze protection
When stored sealed in original packaging, in a cool, dry, well-ventilated place, the shelf life of this product is12 monthsStore away from direct sunlight; prevent freezing in winter.
Yes, we provide free samples for customer testing. Please contact our sales team for specific sample quantity and shipping details.
The regular minimum order quantity is one pallet (about 1 ton or more). For special specifications or custom packaging requirements, please contact our sales team for confirmation.
This product has been exported to Southeast Asia, the Middle East, Europe and other regions; available export documents include:
- Commercial Invoice
- Packing List
- Certificate of Origin (CO)
- SDS/MSDS (multi-language versions)
- Certificate of Analysis (COA)
- Sea/air transport identification report
- Other required certification documents
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