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311308

Sigma-Aldrich

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:
4730-54-5
Molecular Weight:
129.20
Beilstein:
773877
MDL number:
MFCD00012358
UNSPSC Code:
12352005
PubChem Substance ID:
24858511
NACRES:
NA.22

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

Starting material for the synthesis of 1,4,7-trifunctionalized derivatives which have applications in metal complexation.
Possible reagent for compleximetric titrations with high cation-binding selectivity.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
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The overexpression of the folate receptor (FR) in a variety of malignant tumors, along with its limited expression in healthy tissues, makes it an attractive tumor-specific molecular target. Noninvasive imaging of FR using radiolabeled folate derivatives is therefore highly desirable.
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
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
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