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Ethylenediamine Tetraacetic Acid Disodium Salt Dihydrate 99% AR Grade Reagent

Cas Number:6381-92-6
Formula:C10H14N2Na2O8·2H2O
Molar Mass:372.24
EC Number:205-358-3

Quantity:
  • AR
  • LABOR
  • 120602185

Ethylenediamine Tetraacetic Acid Disodium Salt Dihydrate 99% AR Grade Reagent


Cas Number:6381-92-6

Formula:C10H14N2Na2O8·2H2O

Molar Mass:372.24

EC Number:205-358-3


Physicochemical properties:

White crystalline powder. It is soluble in water, slightly soluble in ethanol.The pH of aqueous solution is about 5.3. The melting point is 252 ° C (decomposition). Low toxicity. The median lethal dose (rat, oral)is 2g/kg. Irritating.


Usage:

Reference reagent, equivalent solution. Complexes calcium, magnesium and other metal reagents. Metal masking agent. For molecular biology, it can inhibit the metal capacity of the enzyme, the calibration of the polyamide gel column, and the separation of oligonucleotides. Pharmaceutical additives.


Packing:

500g/25kg





Item of Analysis

Standard

Assay,%

99.0 min

pH(50g/L,25℃)

4.0~5.0

Transparency of solution

to pass test

Chloride(Cl),%

0.005 max

Sulfate(SO4) ,%

0.02 max

Iron(Fe),%

0.001 max

Heavy metals(as Pb),%

0.001 max



Symbol 

Signal word 

Warning

Hazard statement

H303


H332


H373

Precautionary statements—Prevention

P260


P271

Precautionary statements—Response

P304+P340+P312


P312

UN No.

No information

Flash point

46.1°C

Boiling point

124.43°C

Melting point

-81.5°C




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