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DNS Fine Chemicals(Ethylenedinitrilo) tetraacetic Acid, Disodium Salt Dihydrate

(Ethylenedinitrilo) tetraacetic Acid, Disodium Salt Dihydrate
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We offer superior quality EDTA, disodium salt. It is a white crystalline compound, which acts as a chelating agent and used in a variety of industrial applications.

GENERAL DESCRIPTION
Typical appearance: white solid
Analytical use: chelating agent; sequestering agent
Aqueous solubility: 11g in 100ml at 20ºC



SPECIFICATIONS
Assay 99.0 – 101.0% C10H14N2O8Na2 . 2H2O
PH of a 5% solution at 25.0ºC 4.0 – 6.0
Maximum Allowable  
Insoluble matter 0.005%
Nitrilotriacetic acid [(HOCOCH2)2N] 0.1%
Heavy metals (as Pb) 0.005%
Iron (Fe) 0.01%
   


EDTA DISODIUM AR
Synonym ETHYL ENEDIAMINE TETRAACETIC ACID DISODIUM SALT
CAS No. 6381-92-6
Molecular Formula C10H14N2O8K2.2H2O
Molecular Weight 372.24
Description A WHITE CRYSTALLINE POWDER
Specifications
SOLUBILITY SOLUBLE IN WATER
APPEARANCE OF SOLUTION DISSOLVE 20 GM IN TO PRODUCE 400 ML.
THE SOLUTION is AND COLOURLESS
PH (5% W/V SOLUTION) 4 3-4.7
WATER INSOLUBLE MATTER MAX. 0.005%
CHLORIDE MAX. 0.004%
NITIRLO TRI-ACETATE MAX. 0.025%
SULPHATE MAX 0.02%
CALCIUM MAX. 0.002%
COPPER MAX. 0.0001%
IRON MAX 0.0005%
LEAD MAX. 0.0005%
ASSAY 99.5 --101% AS C10H14N2O8K2.2H2O
EDTA DISODIUM LR
Cas No. 6381-92-6
Molecular Formula C10H14N2O8Na2.2H2O
Molecular Weight 372.24
Description White crystalline Compound
Insoluble matter max.0.005%
Assay min.98.0%
pH(5% aq. solution) 4.0-6.0
Iron (Fe) max.0.02%
Heavy Metals ( as Pb) max.0.01%
Nitrilotriacetic acid
(HOCOCH2)2N max.0.2%

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