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Ethylene Diamine Tetra (Methylene Phosphonic Acid)
EDTMPA (Solid)

[CAS] 1429-50-1

Molecular Formula: C6H20 N2O12P4 Molecular weight: 436.13

Structural Formula:

This product is white crystal powder at room temperature, with melting point 215-2170, hard to be dissolved in water, the solubility is less that 5% at room temperature, easy dissolved in ammonia. This product has strong metal ion chelating capacity, whose chelating constant with cuprum ion is larger than that of EDTA.

items index
Appearance White crystal powder
Active acid % 95.0min
Total phosphonic (as PO43-) % 82.0 min
Dryness weight loss % 2.0 max
Fe ppm 5 max
Cl % 0.1 max
pH (1% solution) 2.0 max

Our company can produce 99% (chromatograph purity) and high purity product on demand of clients.
Model Number
[CAS] 1429-50-1