Ethylenediaminetetraacetic acid tetrasodium salt, also known as EDTA4na, is an organic compound with the molecular formula C10H12N2Na4O8 and a molecular weight of 380.17.
It is a white powder. Easy to dissolve in water.
Used as a hard water softener, multivalent chelating agent, fixing solution for bleaching and rinsing in color photosensitive materials, and activator for styrene butadiene rubber.
|
TESTS |
STANDARD |
RESULTS |
|
APPEARANCE |
WHITE CRYSTALLINE POWDER |
|
|
CONTENT |
99%MIN |
99.5% |
|
PH(1% SOLUTION) |
10.5-11.5 |
11.03 |
|
CHELATE VALUE ( mg CaCO3/g) |
215 MIN |
221 |
|
CHLORIDE |
0.01% MAX |
0.003% |
|
Fe |
0.001% MAX |
0.0001% |
|
HEAVY METAL ( Pb) |
0.001% MAX |
NIL |
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HU
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