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Merck

D27802

1,4-Diazabicyclo[2.2.2]octane

greener alternative

≥99%, crystals, ReagentPlus®

Synonyme(s) :

TED, Triethylenediamine

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About This Item

Formule empirique (notation de Hill) :
C6H12N2
Numéro CAS:
280-57-9
Poids moléculaire :
112.17
NACRES:
NA.21
PubChem Substance ID:
57654087
UNSPSC Code:
12352100
EC Number:
205-999-9
MDL number:
MFCD00006689
Beilstein/REAXYS Number:
103618

Nom du produit

1,4-Diazabicyclo[2.2.2]octane, ReagentPlus®, ≥99%

InChI key

IMNIMPAHZVJRPE-UHFFFAOYSA-N

InChI

1S/C6H12N2/c1-2-8-5-3-7(1)4-6-8/h1-6H2

SMILES string

N12CCN(CC2)CC1

vapor pressure

2.9 mmHg ( 50 °C)

product line

ReagentPlus®

assay

≥99%

form

crystals

greener alternative product characteristics

Catalysis
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sustainability

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refractive index

n20/D 1.4634 (lit.)

mp

156-159 °C (lit.)

density

1.02 g/mL at 25 °C (lit.)

greener alternative category

, Aligned

Quality Level

200

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Catégories apparentées

Application

1,4-Diazabicyclo[2.2.2]octane (DABCO) may be used in the synthesis of isoxazole derivatives via dehydration of primary nitro compounds in the presence of dipolarophiles. DABCO may be used in the preparation of the following:
  • DABCO bis(perhydrate)
  • DABCO monohydrate
  • DABCO hexahydrate

General description

1,4-Diazabicyclo[2.2.2]octane (DABCO) is a bicyclic compound used as a strong base and catalyst in organic synthesis.

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1,4-Diazabicyclo[2.2.2]octane (DABCO, triethylenediamine), a caged tertiary diamine, is a commonly used strong hindered amine base in chemical synthesis. It can also be employed as a complexing ligand and as a catalyst. Its gas-phase electronic absorption spectrum, vibrational spectra, multiphoton ionization (MPI), and two-photon fluorescence excitation (TPFE) spectra have been recorded and analyzed. Proton magnetic resonance (PMR) studies of DABCO in solid state were conducted in order to determine its line width, second moment, and spin-lattice relaxation time.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Sol. 1 - Skin Irrit. 2

Classe de stockage

4.1B - Flammable solid hazardous materials

wgk

WGK 1

flash_point_f

144.0 °F - closed cup

flash_point_c

62.2 °C - closed cup

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificats d'analyse (COA)

Lot/Batch Number
MKCZ3017
0000427511
0000427511
MKCX3219
0000416420

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Consulter la Bibliothèque de documents

Hydrogen bonding in the perhydrate and hydrates of 1,4-diazabicyclo [2.2.2] octane (DABCO).
Laus G, et al.
CrystEngComm, 10(11), 1638-1644 (2008)
Reversible crosslinking and fast stress relaxation in dynamic polymer networks via transalkylation using 1, 4-diazabicyclo [2.2. 2] octane
Maassen EEL, et al.
Open Journal of Polymer Chemistry, 12(25), 3640-3649 (2025)
Structure and Intramolecular Motions in Triethylenediamine as Studied by Gas Electron Diffraction.
Yokozeki A and Kuchitsu K.
Bulletin of the Chemical Society of Japan, 44(1), 72-77 (1971)
Experimental vibrational spectra and computational study of 1,4-diazabicyclo [2.2.2] octane.
Kovalenko VI, et al.
Journal of Molecular Structure, 1028, 134-140 (2012)
1,4-Diazabicyclo [2.2.2] octane (DABCO) as an Efficient Reagent for the Synthesis of Isoxazole Derivatives from Primary Nitro Compounds and Dipolarophiles: The Role of the Base.
Cecchi L, et al.
European Journal of Organic Chemistry, 2006(21), 4852-4860 (2006)
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