Detailed Product Description

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



?CAS? 1429-50-1

Molecular Formula: C6H20 N2O12P4 Molecular weight: 436.13

Structural Formula:



Properties:
This product is white crystal powder at room temperature, with melting point 215-217?, 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.

Specification:
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.