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/REAXYS Number:
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.
signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
wgk_germany
WGK 3
flash_point_f
230.0 °F - closed cup
flash_point_c
110 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Inorgorganica Chimica Acta, 195, 89-89 (1992)
Journal of the Chemical Society. Chemical Communications, 1473-1473 (1991)
Aline Nonat et al.
Dalton transactions (Cambridge, England : 2003), (38)(38), 8033-8046 (2009-09-23)
The two new tripodal picolinate H(3)ebpatcn (1-carboxyethyl-4,7-bis((6-carboxypyridin-2-yl)methyl)-1,4,7-triazacyclononane) and H(4)pbpatcn (1-methylphosphonic-acid-4,7-bis((6-carboxypyridin-2-yl)methyl)-1,4,7-triazacyclononane) ligands based on the 1,4,7-triazacyclononane anchor were prepared and their lanthanide complexes were characterized by NMR, fluorescence and potentiometric studies. The [Gd(ebpatcn)(H(2)O)] complex displays a relaxivity of r(1) = 4.68
Sylvie Masse et al.
Physical chemistry chemical physics : PCCP, 11(43), 10204-10210 (2009-10-30)
The interactions of cyclic polyamines with tetraethoxysilane in the conditions of the Stöber synthesis of silica nanoparticles were studied and compared to the behavior of a linear polyamine. Granular core-plain shell hybrid particles were obtained whose morphology and size vary
Zhanghua Zeng et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 16(30), 9154-9163 (2010-07-14)
The [Fc-bis{Zn(II)(TACN)(Py)}] complex, comprising two Zn(II)(TACN) ligands (Fc=ferrocene; Py=pyrene; TACN=1,4,7-triazacyclononane) bearing fluorescent pyrene chromophores linked by an electrochemically active ferrocene molecule has been synthesised in high yield through a multistep procedure. In the absence of the polyphosphate guest molecules, very
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