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ETHYLENEDIAMINE TETRAACETIC ACID DIPOTASSIUM SALT Extra Pure

Ethylenedinitrilo)tetraacetic acid dipotassium salt, Dipotassium ethylenediaminetetraacetate dihydrate, EDTA dipotassium salt, Edathamil, Potassium ethylenediaminetetraacetate dibasic

COAs

Packings

100 g (00100)

500 g (00500)

1PW1200100 1PW1200100
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Article No. 3729B Grade Extra Pure
Purity 98% CAS No. 25102-12-9
Molecular Formula C10H14K2N2O82H2O Molecular Weight 404.46
H.S. Code 2921.2100 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White powder
Odour Odorless pH value 4 - 5 at 40.4 g/l at 25 °C
Melting point/ Freezing point [°C] 255 - 280 °C Solubility in water [% weight] 40.4 g/l at 20 °C

Specifications

Appearance White powder or crystalline Powder Assay (complexometric) Min 98%
Loss on drying (at 150°C; 6 hrs) 8.5 - 9.5% pH (5 % solution) 4 - 5.5
Insoluble matter in water Max 0.02% Chloride (Cl) Max 0.05%
Nitrilotriacetate [N(CH2COO)3] Max 0.1% Copper (Cu) Max 0.001%
Heavy metal (as Pb) Max 0.001% Iron (Fe) Max 0.001%

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: 26-Jun-2021

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