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Technical specifications
Test Indicators
| Serial Number | Check items | Standard |
|---|---|---|
| 1 | Copper (Cu) content | ≥ 9% |
| 2 | pH (1% solution) | 6.0 — 8.0 |
| 3 | Appearance | Light blue liquid |
Physical and chemical properties
| Item | Description |
|---|---|
| Appearance | Light blue liquid |
| CAS No. | 67989-88-2 |
| Chemical Formula | C₁₀H₂₀CuN₄O₈ |
| Molecular weight | 387.83 g/mol |
| Product form | Liquid |
| Water Solubility | Fully soluble in water |
Product description
Product overview
Ethylenediaminetetraacetic acid copper diammonium (EDTA copper diammonium, also known as copper-ammonia complex of ethylenediaminetetraacetic acid, EDTA diammonium copper) is a highly effective ammonium salt of EDTA chelated copper fertilizer. Product is a light blue liquid with copper content ≥9%, pH (1% solution) 6.0-8.0.
Key characteristics
- High copper contentCopper content ≥9%, ensuring adequate copper supply.
- Liquid formLight blue liquid, easy to dilute and convenient to use.
- Fully water-solubleFully soluble in water, no sediment, suitable for various irrigation systems.
- Good StabilityCopper in EDTA chelated form, high stability, weakly fixed in soil.
Application Recommendations
Recommended dosage
| Directions for Use | Recommended dosage | Safety Precautions |
|---|---|---|
| Foliar Feeding | 0.5–1.0 L/ha | Dilute 1000-2000 times and spray evenly on both sides of leaves. |
| Drip irrigation/fertigation | 5 L/ha | Apply with irrigation water, avoid mixing with strongly alkaline fertilizers. |
| Liquid Fertilizer Blending | 1-3% | Use directly, shake before application |
Application recommendations
- Recommended to apply on cloudy days or in the evening, avoiding periods of strong light and high temperature.
- Compatible with most pesticides and foliar fertilizers; a small-scale pre-mix test is recommended before combining.
- Shake before use to ensure uniform contents
- Adjust application frequency based on the degree of copper deficiency in the crop and growth stage, typically once every 15–20 days.
Area of application
Agricultural nutrients and fertilizers
Used as a high-efficiency liquid source of chelated copper for foliar sprays, fertigation, water-soluble fertilizers, liquid fertilizers, etc., to prevent and correct copper deficiency symptoms in plants.
- Store in a cool place, keep container tightly closed
- Store in a dry, well-ventilated place
- Avoid direct sunlight
- Prevent leakage during transport
Frequently asked questions
EDTA copper diammonium is a liquid formulation; copper is chelated with EDTA in an ammonium salt solution. Compared to solid sodium copper EDTA, the liquid form is easier to dilute and use, especially suitable for liquid fertilizer formulations and direct addition to irrigation systems, eliminating the dissolution step.
Store in a cool place, in tightly sealed containers, in a dry, well-ventilated area protected from direct sunlight.
Standard packaging: 250 kg drum or 1250 kg IBC container. We also support custom packaging per customer requirements. For a quotation and MOQ details, please contact us.
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