Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.
Basic Information
Product Name: Sodium ferric EDDHA
Alias: EDDHA-FeNa; Iron(III)-sodium salt; Ethylenediamine di(o-hydroxyphenylacetate) iron sodium salt
CAS No. : 16455-61-1
EINECS No. : 240-505-5
Molecular Formula: C18H16FeN2NaO6
Molecular Weight: 435.17 g/mol
Classification: Chelated micronutrient fertilizer; Organic iron chelate; Agricultural additive
Physical & Chemical Properties
Appearance: Deep reddish-brown to black powder or fine granules
Odor: Odorless
Solubility: Soluble in water (approx. 60 g/L at 20°C); insoluble in organic solvents
pH Value: 7.0–9.0 (1% aqueous solution)
Stability: Stable in a wide pH range (3–12); resistant to iron fixation in alkaline soils; hygroscopic; store sealed in a dry, cool place
Specification Table
| Item | Specification | Unit | Remarks |
| Product Name | Sodium ferric EDDHA | — | EDDHA-FeNa |
| CAS Number | 16455-61-1 | — | Chelated iron fertilizer |
| Appearance | Deep reddish-brown to black powder | — | Fine granules |
| Molecular Formula | C18H16FeN2NaO6 | — | Chelated structure |
| Molecular Weight | 435.17 | g/mol | — |
| Purity | ≥99.0 | % | Chelated iron |
| Iron Content | ≥6.0 | % | As Fe |
Main Uses
- Agricultural iron fertilizer: Corrects and prevents iron deficiency chlorosis in crops, especially in alkaline and calcareous soils.
- Horticultural application: Suitable for citrus, grapes, vegetables, and ornamental plants; improves leaf color and crop yield.
- Soil & foliar application: Can be applied via soil drenching, drip irrigation, or foliar spraying; high stability and absorption efficiency.
- Industrial additive: Used as a metal chelating agent and catalyst in chemical processes.
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