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ETHYLENEDIAMINE TETRAACETIC ACID DISODIUM SALT Extra Pure

EDTA disodium salt

Packings

100 g (00100)

500 g (00500)

5000 g (05000)

25 Kg (0025K)

1PW1200100 1PW1200500 1PW1206500 1PDL00040K
Article No. 03730 Grade Extra Pure
Purity 99% CAS No. 6381-92-6
Molecular Formula C10H14N2Na2O8.2H2O Molecular Weight 372.24
H.S. Code 2921.2100 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 4 - 5 at 10 g/l at 23 °C
Melting point/ Freezing point [°C] 248 °C Flash point [°C] > 100 °C
Solubility in water [% weight] 100 g/l at 20 °C

Specifications

Appearance White crystalline powder Assay (complexometric) 99 - 101%
pH (5% solution in water) 4 - 5 Insoluble matter in water Max 0.01%
Chloride (Cl) Max 0.02% Sulphate (SO4) Max 0.1%
Cyanide (CN) Max 0.001% Heavy metal (as Pb) Max 0.001%
Arsenic (As) Max 0.0001% Iron (Fe) Max 0.0005%
Nitrilotriacetic acid Max 0.1% Loss on drying (at 150°C; 6 hrs) 8.7 - 11.4%

Safety Information and Hazard Symbols

Risk Statement: 22
Safety Statement: 26-36
Revision Date: 01-Apr-2021

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