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E1644 Sigma-Aldrich

Ethylenediaminetetraacetic acid disodium salt dihydrate

BioUltra, 98.5-101.5%

Synonym: Disodium ethylenediaminetetraacetate dihydrate, EDTA disodium salt, EDTA-Na2, Edathamil, Edetate disodium salt dihydrate, Sequestrene Na2

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Properties

Related Categories Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Chelators, Collagenase,
product line   BioUltra
assay   98.5-101.5%
impurities   ≤0.005% Phosphorus (P)
  ≤0.05% NH3
  ≤0.1% Insoluble matter
pH   4.0-6.0 (0.1 M in H2O)
mp   248 °C (dec.)(lit.)
solubility   H2O: 0.1 M clear, colorless
cation traces   Al: ≤0.001%
  Ca: ≤0.0005%
  Cu: ≤0.0005%
  Fe: ≤0.0005%
  K: ≤0.005%
  Mg: ≤0.0005%
  Pb: ≤0.001%
  Zn: ≤0.0005%

Description

Application

Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.

Packaging

1 kg in poly bottle

100, 250 g in poly bottle

Price and Availability


Interactive Buffer Table

Biomedical Applications
Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory Tract
RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
AH4410000
Flash Point(F) 
>212 °F
Flash Point(C) 
>100 °C

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Related Content

BioUltra Biological Buffers

A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
Keywords: Absorption, Adsorption, Biochemistry, Biological Buffers, Biological processes, Buffers, PAGE

Peer-Reviewed Papers
15

References

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