EDTA Disodium Dihydrate – ACS
   
CAS NO. : 6381-92-6              FORMULA WEIGHT : 372.24
GRADE : ACS FORMULA           : C10H14N2Na2O8.2H2O
   
TEST SPECIFICATION
Description White Crystalline powder.
Solubility (5 %) Clear & colourless 
Assay min.99.0 – 101.0%
pH (5% aq solution)  4.0 – 6.0
Insoluble matter Max 0.005%
Iron Max 0.01%
Heavy metal Max 0.005%
Nitrilotriacetate Max 0.1%

 

   EDTA Disodium Dihydrate – AR
   
CAS NO. : 6381-92-6              FORMULA WEIGHT : 372.24
GRADE : AR FORMULA           : C10H14N2Na2O8.2H2O
   
TEST SPECIFICATION
Description White Crystalline powder.
Solubility (5 %) Clear & colourless 
Assay min.99.5%
pH (5% aq solution)  4.3 – 4.7
Insoluble matter: Max 0.003%
Copper(Cu): Max 0.0001%
Chloride: Max 0.004%
Sulphate (SO4): Max 0.02%
Iron: Max 0.0005%
Heavy metal: Max 0.0005%
Nitrilotriacetate: Max 0.025%

 

   EDTA Disodium Dihydrate – LR
   
CAS NO. : 6381-92-6              FORMULA WEIGHT : 372.24
GRADE : LR FORMULA           : C10H14N2Na2O8.2H2O
   
TEST SPECIFICATION
Description White Crystalline powder.
Solubility (5 %) Clear & colourless 
Assay min.99.0%
pH (5% aq solution)  4.0 – 4.7
Chloride Max 0.01%
Iron Max 0.005%
Sulphate Max 0.02%
Nitrilotriacetate Max 0.025%

 

   EDTA Disodium Dihydrate – BP
   
CAS NO. : 6381-92-6              FORMULA WEIGHT : 372.24
GRADE : BP FORMULA           : C10H14N2Na2O8.2H2O
   
TEST SPECIFICATION
Description White or almost white crystalline powder
Solubility Soluble in water, practically insoluble in ethanol
Identification Complies
Assay min.98.5 – 101.0%
pH (5% aq solution)  4.0 – 5.5
Appearance of solution passes
Impurities A max 0.1%
Iron max 0.008%
Heavy metals max 0.002%

 

   EDTA Disodium Dihydrate – IP
   
CAS NO. : 6381-92-6              FORMULA WEIGHT : 372.24
GRADE : IP FORMULA           : C10H14N2Na2O8.2H2O
   
TEST SPECIFICATION
Description White crystalline powder, odourless
Solubility Soluble in water, practically insoluble in ethanol (95%)
Identification Complies
Assay min.98.5 – 101.0%
pH (5% aq solution)  4.0 – 5.5
Appearance of solution passes
Impurities A max 0.1%
Iron max 0.008%
Heavy metals max 0.002%