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CAS No 67-42-5 , 2-[2-[2-[2-[bis(carboxymethyl)amino]ethoxy]ethoxy]ethyl-(carboxymethyl)
amino]acetic acid

  • Name: 2-[2-[2-[2-[bis(carboxymethyl)amino]ethoxy]ethoxy]ethyl-(carboxymethyl)
    amino]acetic acid
  • Synonyms: Ethylenebis(oxyethylenenitrilo)tetraacetic acid; Gedta;EGTA; 67-42-5; Ebonta;2-[2-[2-[2-[bis(carboxymethyl)amino]ethoxy]ethoxy]ethyl-(carboxymethyl)
    amino]acetic acid; Ethylene Glycol Tetraacetic Acid; Egtazic acid;
  • CAS Registry Number:
  • Melting Point: 240-245 ºC
  • Flash Point: 363.9°C
  • Boiling Point: 678°C at 760 mmHg
  • Density: 1.433 g/cm3
  • Safety Statements: S24/25
  • Hazard Symbols: Xi
  • HS Code: 29225000
  • Flash Point: 363.9°C
  • EINECS: 200-651-2
  • Molecular Weight: 380.34776
  • InchiKey: DEFVIWRASFVYLL-UHFFFAOYSA-N
  • InChI: 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)
  • Risk Statements: S24/25
  • Molecular Formula: C14H24N2O10
  • Molecular Structure:CAS No:67-42-5 2-[2-[2-[2-[bis(carboxymethyl)amino]ethoxy]ethoxy]ethyl-(carboxymethyl)<br />amino]acetic acid

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References of 2-[2-[2-[2-[bis(carboxymethyl)amino]ethoxy]ethoxy]ethyl-(carboxymethyl)
amino]acetic acid
Title: EGTA
CAS Registry Number: 67-42-5
CAS Name: 3,12-Bis(carboxymethyl)-6,9-dioxa-3,12-diazatetradecanedioic acid
Synonyms: [ethylenebis(oxyethylenenitrilo)]tetraacetic acid; ethylene glycol bis(b-aminoethylether)-N,N,N￠,N￠-tetraacetic acid
Molecular Formula: C14H24N2O10
Molecular Weight: 380.35
Percent Composition: C 44.21%, H 6.36%, N 7.37%, O 42.06%
Literature References: Chelating agent. Prepn: H. Schl?pfer, J. Bindler, US 2709178 (1955 to Geigy). Toxicology: J. E. Wynn et al., Toxicol. Appl. Pharmacol. 16, 807 (1970). Thermal properties: M. F. G. Esteban et al., Thermochim. Acta 62, 267 (1983). Cathodic-stripping determn: M. Ciszkowska, Z. Stojek, Talanta 33, 817 (1986). Use in calcium measurements: J. D. Johnson et al., Am. J. Physiol. 272, C1437 (1997); in heavy metal remobilization from river sediment: K.-C. Yu et al., Toxicol. Environ. Chem. 58, 85 (1997). Review of regulation of Ca+2 concentration in biological systems: S. Robertson, J. D. Potter, Methods Pharmacol. 5, 63-75 (1984).
 
Derivative Type: Disodium salt
CAS Registry Number: 26082-78-0
Molecular Formula: C14H22N2Na2O10
Molecular Weight: 424.31
Percent Composition: C 39.63%, H 5.23%, N 6.60%, Na 10.84%, O 37.71%
Properties: LD50 orally in rats: 3.96±0.50 g/kg (Wynn).
Toxicity data: LD50 orally in rats: 3.96±0.50 g/kg (Wynn)
 
Use: Chelator for heavy metals. Reagent for maintaining calcium concentrations.