Ethylenediamine-N,N'-bis((2-hydroxyphenyl)acetic acid)
- CAS NO.：1170-02-1
- Empirical Formula: C18H20N2O6
- Molecular Weight: 360.37
- MDL number: MFCD00004247
- EINECS: 214-625-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 04:07:33
What is Ethylenediamine-N,N'-bis((2-hydroxyphenyl)acetic acid)?
The Uses of Ethylenediamine-N,N'-bis((2-hydroxyphenyl)acetic acid)
EDDHA is used as an inorganic fertilizer.
Agricultural Uses
EDDHA is short for Ethylenediamine-N,N'-bis((2-hydroxyphenyl)acetic acid. It is a chelating agent (C18H20O6N2) that forms a chelate, which complexes with metal ions. Fe-EDDHA, which is stable over an entire pH range, is commonly used as an iron fertilizer because of its affinity to iron. The comparison of a soil treated with iron chelates, such as EDTA (ethylenediamine tetra- aceticacid), DTPA (diethylenetriaminepentaaceticacid) or EDDHA shows that EDDHA is most effective in making iron available to plants.
Purification Methods
Purify it by extensive Soxhlet extraction with acetone. [Bonadies & pK Est( 2) pK Est( 3) Carrano J Am Chem Soc 108 4088 1986].
Properties of Ethylenediamine-N,N'-bis((2-hydroxyphenyl)acetic acid)
| Melting point: | >215°C (dec.) |
| Boiling point: | 492.4°C (rough estimate) |
| Density | 1.3595 (rough estimate) |
| refractive index | 1.5700 (estimate) |
| storage temp. | 2-8°C(protect from light) |
| solubility | Aqueous Base (Slightly, Heated) |
| form | Solid |
| pka | 1.27±0.10(Predicted) |
| color | White to Light Brown |
| Stability: | Hygroscopic |
| EPA Substance Registry System | Benzeneacetic acid, .alpha.,.alpha.'-(1,2-ethanediyldiimino)bis[2-hydroxy- (1170-02-1) |
Safety information for Ethylenediamine-N,N'-bis((2-hydroxyphenyl)acetic acid)
Computed Descriptors for Ethylenediamine-N,N'-bis((2-hydroxyphenyl)acetic acid)
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