1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP)

items

index

Appearance

Clear, Colorless to pale yellow aqueous solution

White crystal powder

Active content (HEDP)%

58.0-62.0

90.0min

Phosphorous acid (as PO33-)%

1.0 max

0.8 max

Phosphoric acid (asPO43- )%

0.6 max

0.5 max

Chloride (as Cl-) ppm

100.0 max

100.0max

pH (1% solution)

2.0 max

2.0 max

Density (20℃)g/cm3

1.43-1.47

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