319945

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

ACS reagent, for complexometry, 98%

• Synonym(s): 1,2-Cyclohexanedinitrilotetraacetic acid, Chel^™-CD, DCTA
• Empirical Formula (Hill Notation): C₁₄H₂₂N₂O₈ · H₂O
• CAS Number: 125572-95-4
• Molecular Weight: 364.35
• Beilstein/REAXYS Number: 3222748
• EC Number: 236-308-9
• MDL number: MFCD00149243
• UNSPSC Code: 12352106
• PubChem Substance ID: 24859201
• NACRES: NA.21

Properties

• grade: ACS reagent; for complexometry
• Quality Level: 200
• assay: 97.5-100.5%; 98%
• form: powder
• ign. residue: ≤0.2%
• mp: 213-216 °C (lit.)
• cation traces: Fe: ≤0.005%; heavy metals (as Pb): ≤0.001%
• 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

Application

trans-1,2-Diaminocyclohexane-N,N,N′,N′-tetraacetic acid monohydrate is a multidentate ligand{1-6} that may be used as a chelating agent in the preparation of metal-chelate complexes.

Ligand used to prepare lanthanide shift reagents.

Legal Information

Chel is a trademark of Ciba-Geigy AG

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H319,H332
• pcodes: P261 - P264 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Inhalation - Eye Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves