1-ãèäðîêñèýòèëèäåí-1.1-äèôîñôîíîâàÿ acid 2931909090

1-hydroxyethylidene-1,1, -diphosphonic acid

Synonym: OEDP ACID, OEDPHK

International name: Oxythylendendiphosphonic acid, 1-Hydroxyethylidene-1,1 , -diphosphonic acid

Basic substance, not less than 98.0% (in fact 98.6%)

PH (1% pp, 20 ºС), not more than 2 , 0 (factual 1.7)

Iron (Fe) content, no more than 0.0035% (actual.0.00031%)

Phosphoric acid (as PO4), not more than 0.7% (actual 0.2%)

Phosphorous acid (as PO3), not more than 2.5% (actual 0.2 %)

Chloride content (as Cl), no more than 1.0% (actually less)

Storage conditions: Oxyethylidene diphosphonic acid is stored in covered dry warehouses