Hepta sodium salt of Diethylene Triamine Penta(Methylene Phosphonic Acid) DTPMP·Na7
CAS No.68155-78-2 (7-Na),22042-96-2 (x-Na)
Molecular formula C9H21O15N3P5Na7
Relative molecular mass:727
Sructural formula
Ⅰ. Performance and use
DTPMP·Na7 can be used as scale inhibitor, efficient chelating agent, and excellent BaSO4 scale inhibitor. DTPMP·Na7 is widely used in cooling water treatment, peroxide bleaching stabilizer, washing agent, municipal industrial clean water, geothermal water treatment, and oil field scale inhibition.
Ⅱ. Technical indicators
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Item
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Indicators
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HG/T 4330-2012
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Appearance
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Reddish-brown liquid
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Red brown transparent liquid
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Active components（DTPMPA）/%
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31.5～33.5
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24.0～26.0
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Active components（DTPMPA·Na7）/%
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40.0～42.5
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30.5～33.0
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Total phosphorus content（PO43-）/%
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--
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19.7～21.7
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pH（1% Aqueous solution）
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7.0～9.0
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7.0～9.0
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Density（20℃）/g·cm-3
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≥1.25
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1.24～1.34
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Chloride(Cl-) /%
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≤5.0
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≤5.0
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Fe content(Fe) /mg·L-1
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≤20.0
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≤20.0
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Ⅲ. Packaging and storage
DTPMP·Na7 is packaged in plastic drums of 25Kg or 250Kg each, which can also be determined according to the user's needs. Store in indoor cool place, storage period of 10 months.
Ⅳ. Safety protection
DTPMP·Na7, pay attention to labor protection during operation, avoid contact with skin, eyes, etc., after contact, rinse with plenty of water.
