Chemical name: EDTA ferric sodium salt
Other name: ((ethylenedinitrilo)tetraacetato)-ferrate(1-sodium;Ethlenediaminetetraaceticacidferricsodiumsalt;ferisan;ferrate(1-),[[n,n’-1,2-ethanChemicalbookediylbis[n-(carboxymethyl)glycinato]](4-)-n,n’,o,o;ferricsodiumedetate;monosodiumferricedta;on’]-,sodium,(oc-6-21)-on;sequestrenenafe
Molecular Formula: C10H12N2O8FeNa·3H2O
Molecular Weight: 421.09
CAS No. :15708-41-5
EINECS: 239-802-2
Specification:
| Item | Standard |
| Appearance | Yellow green micro granular powder |
| Chelated Fe | 13 (+/- 0.5) % min |
| PH(10g/L, 25℃) | 3.8-6.0 |
| Heavy metal as Pb | 0.001% max |
| Cd | 0.001% max |
| Metter insuluble | 0.1% |
Packaging: 25 kg net per woven bag with PE inner, available in packages of 1.000 kg.
Characteristics: dust-free product, easily and rapidly soluble in water because of its porous, compatible with most water-soluble fertilizers, also can be used as Deodorant in photographic processing.
Storage: Store in original package in a dry place at ambient temperature (below 25°C). It is advised to re-test after three years of storage. Exposure to sunlight may cause degradation of the product.
Usage:
As a foliar fertilizer and compound fertilizer raw materials In addition to single-element EDTA chelates, it also offers physical mixes (blends) or compounds (chemical mixes). For physical mixes, macro-nutrients and/or additives like amino acids and humic acids can be added.
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Applications
EDTA Fe 13% is one of the most widely used chelated iron fertilisers in horticulture and agriculture. Iron deficiency (lime-induced chlorosis) causes yellowing of young leaves while veins remain green, significantly reducing photosynthesis and crop yields. EDTA Fe is effective at soil pH 4–7; for soils above pH 7, EDDHA Fe or DTPA Fe are more appropriate choices. Crops that commonly benefit include citrus, stone fruits, roses, tomatoes, blueberries, and ornamental plants. Typical rates are 2–5 kg/ha for foliar spray or 3–10 kg/ha for soil fertigation. Beyond agriculture, EDTA Fe is used as an iron fortification agent in food products such as flour and infant formula, and as a deodorant and fixer in photographic processing solutions.
Further reading: EDDHA Fe vs EDTA Fe: pH Range, Effectiveness & When to Use Each