HEDP cas 2809-21-4 / 1-Hydroxyethylidene-1,1-diphosphonic acid

Appearance

Clear colorless to pale tan liquid

Odor

Slight to none

Active Content (%)

60min

Phosphorous Acid(as PO₃^3-) (%)

2.0max

Phosphorous Acid(as PO₄^3-) %

0.8max

Chloride as Cl (ppm)

100 max

Sequestrant value (CaCO3) mg/g 

500 min

PH (1%water solution)

2.0max

Iron content(ppm)

35max

Colour (Hazen)

80 max

Appearance

White crystalline powder

Active content(%)

98.0min

PH(1% solution)@ 20℃

2.0 max

Iron Content(Fe)(ppm)

20.0 max

Phosphorous acid as PO₃^3-(%)

0.8 max

Phosphoric acid as PO₄^3-(%)

0.5 max

Chloride as Cl^-(ppm)

100 max