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DY-307  l-Hydroxy Ethylidene-l-Diphonic Acid ( HEDPA )

[ English name ]
    l-hydroxy ethylidene-l-diphonic acid

[ Chemical structural formula ]


[ Content of active chlorine ]
     Good effects on filth-resistance and erosion-resistance,with features as heat-resistance,anti-oxidation and low-toxicity. Mainly used in filth resistance and erosion resistance in industrial cycling cooling water. React with diversified mental ions to form stable compound. Dissolved oxide on surface of mental

[ Use ]
     As filth-resistance on boilers,heat-exchangers, as compound agent for none-cyanide electroplate objects, as mental cleanser, as stability agent and color-fixation agent in dyeing and textile industries

[ Quality index ]
Appearance
Colorless or light yellow transparent liquid
Active composition
≥ 50.0%
Density ( 20oC ),g/cm3
≥ 1.34
Content of phosphorous acid ( base on PO33- )
≤ 3.0%
Content of phosphoric acid ( base on PO43- )
≤ 1.0%
Content of chloride ( base on Cl ) Content
≤ 1.0%
PH value ( 1% aqueous solution )
≤ 2.0
Calcium chelated value ( base on CaCO3 ), mg/g
≥ 400

[ Packaging and storage ]
    Packed in 25Kg or 250Kg plastic pail. Stored in cool place in the room. Storage period: 1 year.