EDTA tetrasodium salt dihydrate BioChemica A1105 - Delchimica

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EDTA tetrasodium salt dihydrate BioChemica

 

A1105

Synonym

Ethylenediaminotetraacetic acid tetrasodium salt dihydrate, Ethylenedinitrilotetraacetic acid tetrasodium salt dihydrate 

Ca-binding (pH 11)

~225 mg CaCO3/g 

Solubility (20°C)

1000 g/L (H2O) 

Melting point

400°C (dec.) 

Formula

C10H12N2Na4O8 · 2H2O 

M

416.21 g/mol 

CAS-No.:

10378-23-1 

HS-No.:

29224985 

EC-No.:

200-573-9 

Storage:

RT 

LGK:

10 - 13 

Disposal:

3 

R:

20-41  harmful 

WGK:

2 

Specification

 

Assay (titr.)

min. 99 % 

pH (1 %; H2O; 25°C)

approx. 11.0 

Heavy metals (as Pb)

max. 0.001 % 

Loss on drying

7 - 10 % 

A (1cm/0.1 M in H2O)

 

260 nm

max. 1.5 

280 nm

max. 0.2