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| Products > Phosphonates & Polymers > HEDP |
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download this in PDF format SEQUESTON HEDP - LOW ARSENIC
GENERAL
| Chemical
Name: |
1- Hydroxy
ethylidene (1,1-diphosphonic acid) |
| Chemical Structure
: |
C2H8O7P2 |
| Molecular Weight
: |
206.03 |
| Appearance : |
Clear colourless to pale tan 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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