1. Product name:Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium , Abbr. EDTMPS, EDTMP;EDTMPA
Synonyms:Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium Salt;
EDTPO; ETHYLENEDIAMINE TETRA(METHYLENEPHOSPHONIC ACID)
2. Molecular weight: 612.13
Molecular Formula: C6H12O12N2P4Na
3. Cas No.:1429-50-1
Einecs No.：215-851-5
4.Specification:
|
Item |
Index |
|
Appearance |
Pale-yellow aqueous solution |
|
Active Content |
30.0-32.6% as salt |
|
24.0-26.0% as acid |
|
|
PH(1% solution) |
6.0-8.0 |
|
Iron(as Fe) |
20 ppm max |
|
Chiorides ( as CI) |
5.0% max |
|
Density (20℃)g/cm3 |
1.25 min |
5. Usage:
EDTMPS can be used as corrosion inhibitor in circulating cool water system and boiler water. It is a chelating agent in non-cyanogen electroplating industry and a water-softening agent in printing & dyeing industry. When used alone, 2~10mg/L is preferred. When built with HPMA by ratio ETDMP:HPMA=1:3, it can be used for low pressure boiler. It can also be built with BTA, PAAS and zinc salt.Organic phosphonic acid
6.Package and Storage: Packed in 250KG galvanized barrels or 1300KG IBC and stored in a cool,ventilated and dry place
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