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125572-95-4 - trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid monohydrate, 98% - (1,2-Cyclohexylenedinitrilo)tetraacetic acid monohydrate - CyDTA - B22928 - Alfa Aesar

B22928 trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid monohydrate, 98%

CAS Number
(1,2-Cyclohexylenedinitrilo)tetraacetic acid monohydrate

Size Price ($) Quantity Availability
25g 46.14
100g 135.96
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trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid monohydrate, 98%


Chemical Properties

Formula Weight
364.35 (346.34anhy)
Melting point
ca 220° dec.
Slightly soluble in water. Soluble in 1N sodium hydroxide and alkali solutions. Insoluble in most common organic solvents.


trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic acid monohydrate is an analytical reagent and a complexating agent for sodium. It acts as a ligand to prepare lanthanide shift reagents. It is involved in the separation and determination of iron(III)-dimethyldithiocarbamate, manganese(II)-ethylenebisdithiocarbamate and zinc(II)-ethylenebisdithiocarbamate by sensitive capillary electrophoretic ultraviolet method.


Incompatible with strong oxidizing agents.

Literature References

Complexing agent for metal ions.

Gong, L.; McCullagh, J. S. Comparing ion-pairing reagents and sample dissolution solvents for ion-pairing reversed-phase liquid chromatography/electrospray ionization mass spectrometry analysis of oligonucleotides. Rapid Commun. Mass Spectrom. 2014, 28 (4), 339-350.

Puggioni, V.; Dondi, A.; Folli, C.; Shin, I.; Rhee, S.; Percudani, R. Gene context analysis reveals functional divergence between hypothetically equivalent enzymes of the purine-ureide pathway. Biochemistry 2014, 53 (4), 735-745.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • A17075

    Potassium chlorate, 99+%
  • A17385

    Ethylenediaminetetraacetic acid tetrasodium salt hydrate, 98%
  • H26259

    1-Dodecylphosphonic acid, 95%
  • 42040

    Alizarin Red S sodium salt
  • A10395

    Citric acid, 99+%

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