311308
1,4,7-Triazacyclononane
95%
Synonym(s):
Octahydro-1H-1,4,7-triazonine, Triethylenetriamine
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About This Item
Empirical Formula (Hill Notation):
C6H15N3
CAS Number:
Molecular Weight:
129.20
Beilstein:
773877
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
95%
form
solid
bp
110-130 °C/7 mmHg (lit.)
mp
42-45 °C (lit.)
SMILES string
C1CNCCNCCN1
InChI
1S/C6H15N3/c1-2-8-5-6-9-4-3-7-1/h7-9H,1-6H2
InChI key
ITWBWJFEJCHKSN-UHFFFAOYSA-N
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Application
Possible reagent for compleximetric titrations with high cation-binding selectivity.
Starting material for the synthesis of 1,4,7-trifunctionalized derivatives which have applications in metal complexation.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Skin Corr. 1B
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 3
Flash Point(F)
230.0 °F - closed cup
Flash Point(C)
110 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Didar Asik et al.
Molecules (Basel, Switzerland), 25(10) (2020-05-18)
Complexes of Fe(III) that contain a triazacyclononane (TACN) macrocycle, two pendant hydroxyl groups, and a third ancillary pendant show promise as MRI contrast agents. The ancillary group plays an important role in tuning the solution relaxivity of the Fe(III) complex
Journal of the Chemical Society. Chemical Communications, 1473-1473 (1991)
Christopher C Scarborough et al.
Inorganic chemistry, 50(24), 12446-12462 (2011-11-17)
The electron transfer series of complexes [Cr((t)bpy)(3)](n)(PF(6))(n) (n = 3+, 2+, 1+, 0 (1-4)) has been synthesized and the molecular structures of 1, 2, and 3 have been determined by single-crystal X-ray crystallography; the structure of 4 has been investigated
Jane T Mooney et al.
Journal of chromatography. A, 1218(1), 92-99 (2010-12-17)
This study describes the screening of a peptide phage display library for amino acid sequences that bind with different affinities to a novel class of chelating ligands complexed with Ni²+ ions. These chelating ligands are based on the 1,4,7-triazacyclononane (TACN)
Aline Nonat et al.
Inorganic chemistry, 48(9), 4207-4218 (2009-04-08)
The tripodal H(3)thqtcn ligand allows the synthesis of well-defined neutral monomeric syn-tris(hydroxyquinolinate) complexes of lanthanides. Pure [Ln(thqtcn)] complexes (Ln = Nd, 1; Er, 2; Yb, 3) of the triply deprotonated ligand thqtcn(3-) were prepared. Crystallographic characterization was carried out for
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