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Deflocculant/ Sequestrant
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HEDP

GENERAL

Chemical Name: 1- Hydroxy ethylidene (1,1-diphosphonic acid)
Chemical Structure : C2H8O7P2
Molecular Weight : 206.03
Appearance : Colourless to pale yellow viscous liquid

Properties Typical Value
Active Content % 58.0 – 62.0
pH , 1% solution at 25°C 2.0 max
Density, g/cm3 at 20°C 1.42 – 1.48
Colour (APHA) 80 max
Iron, ppm 25 max
Chloride, % 1.0 max
Phosphorous Acid, % 4.5 max

PACKING
250kg per UN approved PE drum

APPLICATIONS
Scale inhibitors (especially calcium carbonate); cooling water and boiler treatment; detergents


TRANSPORT INFORMATION
CORROSIVE LIQUID, ACIDIC
UN3265 PACKING GROUP III


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5 Toh Guan East Road, Singapore 608831
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