Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium (EDTMPS)
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:
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Item
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Index
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Appearance
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Pale-yellow aqueous solution
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Active Content
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30.0-32.6% as salt
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24.0-26.0% as acid
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PH(1% solution)
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6.0-8.0
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Iron(as Fe)
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20 ppm max
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Chiorides ( as CI)
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5.0% max
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Density (20℃)g/cm3
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1.25 min
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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
Chemicals
