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  • E4378 - Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid

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E4378 Sigma-Aldrich

Ethylene glycol-bis(2-aminoethylether)-N,N,N′,N′-tetraacetic acid

≥97.0%

Synonym: EGTA, Egtazic acid, Ethylene-bis(oxyethylenenitrilo)tetraacetic acid, Glycol ether diamine tetraacetic acid

  • CAS Number 67-42-5

  • Linear Formula [-CH2OCH2CH2N(CH2CO2H)2]2

  • Molecular Weight 380.35

  •  Beilstein/REAXYS Number 1717370

  •  EC Number 200-651-2

  •  MDL number MFCD00004291

  •  PubChem Substance ID 24278421

  •  NACRES NA.77

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Properties

Related Categories A to C, Biochemicals and Reagents, Calcium Signaling Research Tools, Carboxypeptidase A, Carboxypeptidase B,
Quality Level   300
  400
biological source   synthetic (organic)
assay   ≥97.0%
form   powder
loss   ≤1.0% loss on drying
mp   241 °C (dec.) (lit.)
solubility   1 M NaOH: 1.1 g/10 mL, clear, colorless
storage temp.   room temp
SMILES string   OC(=O)CN(CCOCCOCCN(CC(O)=O)CC(O)=O)CC(O)=O
InChI   1S/C14H24N2O10/c17-11(18)7-15(8-12(19)20)1-3-25-5-6-26-4-2-16(9-13(21)22)10-14(23)24/h1-10H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24)
InChI key   DEFVIWRASFVYLL-UHFFFAOYSA-N

Description

Packaging

1 kg in poly bottle

10, 25, 100, 250, 500 g in poly bottle

Application

A chelating agent useful for the determination of calcium in the presence of magnesium.

Physical properties

solubility in water increases with pH

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 2
RTECS 
AH3760000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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pHast Pack
Protocols & Articles
Peer-Reviewed Papers
15

References

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