Ethylenebis(nitrilodimethylene)tetraphosphonic Acid Cas 1429-50-1

Assay: 96.0% min
Appearance: White crystal powder
Package: 25kg/bag, customers’ requirement
Capacity: 300MT/year
Sample: Available
related documents:

COA of EDTMPA CAS 1429-50-1
TDS of EDTMPA CAS 1429-50-1

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Description

EDTMPA
Ethylenebis(nitrilodimethylene)tetraphosphonic acid Quick Details
Product name: Ethylenebis(nitrilodimethylene)tetraphosphonic acid; EDTMPA
CAS: 1429-50-1
Molecular formula: C6H20N2O12P4
Molecular weight: 436.12
Appearance: White crystal powder
Ethylenebis(nitrilodimethylene)tetraphosphonic acid Typical Properties

Items
Index

Appearance
White crystal powder

Active acid (as EDTMPA)%
96.0 min

Total phosphonic acid(as PO43-)%
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

 
Ethylenebis(nitrilodimethylene)tetraphosphonic acid Usage
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.EDTMPAhas 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.EDTMPAis 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 ofEDTMPAlargely exceed that of EDTA and DTPA, and can replace EDTA for chelating agent at almost any situation.
Ethylenebis(nitrilodimethylene)tetraphosphonic acid Packaging and Storage
25kg/bag, customers’ requirement. Storage for one year in shady room and dry place.

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