Ethylene Diamine Tetra (Methylene Phosphonic Acid)

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EDTMPA
 
CAS No: 1429-50-1
Product Name: Ethylene Diamine Tetra (Methylene Phosphonic Acid)
Other Name:
EDTMPA
EDTMP
EDTMP(A)
Ethylene Diamine Tetra(Methylene Phosphonic Acid)
EDTPO
 
Physical Properties:
Density: 2.0±0.1 g/cm3
Boiling Point: 878.7±75.0 °C at 760 mmHg
Molecular Formula: C6H20N2O12P4
Molecular Weight: 436.124
Flash Point: 485.2±37.1 °C
Exact Mass: 435.996674
PSA: 275.84000
LogP: -5.81
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Index of Refraction: 1.622
 
Specification:
Appearance: White crystal powder
Active acid (as EDTMPA)%: 96.0 min
Total phosphonic acid(as PO4)%: 82.0 min
Chloride (Cl) %: 0.1 max
Moisture %: 2.0 max
Fe, mg/L: 5.0 max
pH(1% water solution): 2.0 max
 
Application:
EDTMPA 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. EDTMPA has strong metal ion chelating capacity, whose chelating constant with cuprum ion is larger than that of EDTA.
 
EDTMPA has high capacity for chelating metal ions. The complex constant with Cu is the largest in all chelating agents including EDTA. EDTMPA is a kind of high-pure grade reagent and innocuous, it can be used as detergent in semiconductor chip to prepare integrated circuit, as carrying agent for radioelement in medical industry, and as agent for inspection and therapy. The chelating capacity of EDTMPA largely exceed that of EDTA and DTPA, and can replace EDTA for chelating agent at almost any situation. 
 
Package and Storage:
25kg/bag, customers' requirement. Storage for ten months in shady room and dry place.

Ethylene Diamine Tetra (Methylene Phosphonic Acid)


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