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Product Name

 ETHYLENE DIAMINE TETRA ACETIC ACID DISODIUM SALT AR (E.D.T.A. DISODIUM SALT)

Article No

 E0093405000

CAS No

 6381-92-6

Molecular Formula

 C10H14N2Na2O8.2H2O

Molecular Weight

 372.24

Specifications

Appearance:

 White crystalline powder

Chloride (Cl):

 Max 0.01%

Sulphate (SO4):

 Max 0.02%

Heavy metal (as Pb):

 Max 0.001%

Lead (Pb):

 Max 0.0005%

Iron (Fe):

 Max 0.0005%

Insoluble matter in water:

 Max 0.005%

Copper (Cu):

 Max 0.00025%

Calcium (Ca):

 Max 0.002%

Nickel (Ni):

 Max 0.0005%

Assay (complexometric; on anhydrous basis) :

 99 - 101%

pH (5% solution in water):

 4 - 5

Loss on dryig (at 150°C; 6 hrs):

 8.7-11.4%

Nitrilotriacetic acid:

 Max 0.05%