MilliporeSigma
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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(s):
Chel-CD, 1,2-Cyclohexanedinitrilotetraacetic acid, DCTA
Empirical Formula (Hill Notation):
C14H22N2O8 · H2O
CAS Number:
Molecular Weight:
364.35
Beilstein:
3222748
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

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

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Other Notes

Complexing agent; metal binding properties

Legal Information

Chel is a trademark of Ciba-Geigy AG

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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More Documents

Quotes and Ordering

R. Pribil
Komplexone in der chemischen Analyse null
Louise Isager Ahl et al.
Plant, cell & environment, 42(8), 2458-2471 (2019-04-14)
Plants have evolved a multitude of adaptations to survive extreme conditions. Succulent plants have the capacity to tolerate periodically dry environments, due to their ability to retain water in a specialized tissue, termed hydrenchyma. Cell wall polysaccharides are important components
Louise I Ahl et al.
Journal of AOAC International, 101(6), 1720-1728 (2018-06-14)
Background: As the popularity of Aloe vera extracts continues to rise, a desire to fully understand the individual polymer components of the leaf mesophyll, their relation to one another, and the effects they have on the human body are increasing.

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