ETHYLENEDIAMINE TETRAACETIC ACID CALCIUM DISODIUM SALT HYDRATE Extra Pure

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Description

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
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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%

Packings

500 g 00500

Safety Information

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338

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