GENERAL
Chemical Name 1- Hydroxy ethylidene (1,1-diphosphonic acid)
Chemical Structure C2H8O7P2
Molecular Weight 206.03
Appearance Clear colourless to pale tan liquid
SPECIFICATIONS
PROPERTIES LIMITS
Active Content % 58.0 – 62.0
pH , ( 1% w/v solution) at 20°C 2.0 max
Specific gravity, at 20 oC 1.42 – 1.48
Colour (APHA) 80 max
Chloride (as Cl-), % w/w 1.0 max
Phosphorous Acid (as H3PO3), % 2.5 max
Acetic Acid, % 1.0 max 1.0 max
APPLICATIONS
Scale inhibitors (especially calcium carbonate); cooling water and boiler treatment; detergents