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ETHYLENEDIAMINE TETRAACETIC ACID CALCIUM DISODIUM SALT HYDRATE Extra Pure

EDTA calcium disodium salt

Article No. 3728B Grade Extra Pure
Purity 98% CAS No. 62-33-9
Molecular Formula C10H12CaN2Na2O8.xH2O Molecular Weight 374.28 (anhydrous basis)
H.S. Code 2921.2100 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Off white
Odour Odorless

Specifications

Appearance Off white crystalline powder Assay (complexometric) 98 - 102%
pH (20% solution) 6.5 - 8.0 Appearance of solution Passes test
Insoluble matter in water Passes test EDTA disodium salt Max 1%
Magnesium-chelating substances Passes test Nitrilotriacetic acid Max 0.1%
Chloride (Cl) Max 0.1% Water (H2O) 5 - 13%
Heavy metal (as Pb) Max 0.002% Copper (Cu) Max 0.002%
Iron (Fe) Max 0.008% Nickel (Ni) Max 0.002%
Lead (Pb) Max 0.002%

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date: 01-Apr-2021

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