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Ethylenediaminetetraacetic acid disodium salt dihydrate

ACS reagent, for complexometry, ≥99.0%

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

  • CAS Number 6381-92-6

  • Empirical Formula (Hill Notation) C10H14N2Na2O8 · 2H2O

  • Molecular Weight 372.24

  •  Beilstein/REAXYS Number 3900609

  •  EC Number 205-358-3

  •  PubChem Substance ID 57646723

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Biochemicals and Reagents, Chelators,
grade   ACS reagent
  for complexometry
assay   ≥99.0% (KT)
  ≥99.0%
pH   4-6 (25 °C, 50 mg/mL in H2O)
mp   248 °C (dec.) (lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg

Description

Application

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

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

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

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Protocols & Articles
Peer-Reviewed Papers
15

References

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