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32869 Sigma-Aldrich

trans-1,2-Diaminocyclohexane-N,N,N′,N′-tetraacetic acid monohydrate

puriss. p.a., ACS reagent, for complexometry, ≥99.0% (KT)

Synonym: 1,2-Cyclohexanedinitrilotetraacetic acid, Chel-CD, DCTA

  • CAS Number 125572-95-4

  • Empirical Formula (Hill Notation) C14H22N2O8 · H2O

  • Molecular Weight 364.35

  •  Beilstein/REAXYS Number 3222748

  •  EC Number 236-308-9

  •  MDL number MFCD00149243

  •  PubChem Substance ID 57648729

  •  NACRES NA.21

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, C-D, Puriss p.a., Puriss p.a. More...
Quality Level   200
grade   ACS reagent
  for complexometry
  puriss. p.a.
assay   ≥99.0% (KT)
ign. residue   ≤0.1% (as SO4)
mp   213-216 °C (lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤100 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: ≤10 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
SMILES string   [H]O[H].OC(=O)CN(CC(O)=O)[C@@H]1CCCC[C@H]1N(CC(O)=O)CC(O)=O
InChI   1S/C14H22N2O8.H2O/c17-11(18)5-15(6-12(19)20)9-3-1-2-4-10(9)16(7-13(21)22)8-14(23)24;/h9-10H,1-8H2,(H,17,18)(H,19,20)(H,21,22)(H,23,24);1H2/t9-,10-;/m1./s1
InChI key   VASZYFIKPKYGNC-DHTOPLTISA-N

Description

Other Notes

Complexing agent; metal binding properties

Legal Information

Chel is a trademark of Ciba-Geigy AG

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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