1,4-Diazabicyclo[2.2.2]octane TCI D0134

Chemical Identity

Other names: DABCO · DABCO · Triethylenediamine
CAS No.: 280-57-9
PubChem: CID 9237·SID 87566869
Formula: C6H12N2
Molecular weight: 112.18 g/mol
Purity: >98.0%(GC)(T)
Reference databases: ChEBI·ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 1,4-diazabicyclo[2.2.2]octane
SMILES: C1CN2CCN1CC2
InChIKey: IMNIMPAHZVJRPE-UHFFFAOYSA-N
MDL: MDL00006689

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1,4-Diazabicyclo[2.2.2]octane (DABCO) is a nitrogen-donor ligand widely used in chemical reactions, particularly in catalysis. This compound plays a crucial role in laboratory settings by facilitating the formation of metal complexes through its ability to coordinate with transition metals. Its cyclic structure provides stability and enhances its reactivity in various synthetic processes. DABCO is a versatile reagent that supports the development of new materials and compounds in both academic and industrial research environments.

DABCO is valued for its chemical stability, non-toxicity, and lack of odor, making it a safe and reliable choice for laboratory use. It exhibits excellent resistance to degradation under a wide range of reaction conditions, allowing for repeated use without significant loss of activity. These properties contribute to its popularity among chemists who require consistent performance and minimal safety concerns. Additionally, its inert nature ensures that it does not interfere with the intended chemical reactions, maintaining the integrity of experimental outcomes.

In Indonesian laboratories, DABCO is commonly used in chemical research, especially in catalytic processes and organic synthesis. Its availability through suppliers like AMI Scientific ensures that researchers have access to high-quality materials necessary for advanced scientific investigations. The compound's reliability and safety profile make it an essential component in both educational institutions and research facilities across Indonesia.

TCI brochures (PDF)

Phosphine Ligand immobilizable on Silica and Metal Oxide Surfaces 2026-07-23 · p. 2
Cobalt Complexes for Oxidant-Free Dehydrogenative Cross Coupling 2024-01-29 · p. 1
Organic Photoreaction Reagents 2025-02-13 · p. 4
Organic Linker Molecules for Metal Organic Frameworks (MOFs) 2026-05-11 · p. 5
Ligands 2025-12-01 · p. 9
Reagents for Glyco Chemistry & Biology 5th Edition · p. 135

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Catalytic reactions benefit from DABCO's ability to coordinate with transition metals, enhancing reaction efficiency and selectivity.
Organic synthesis relies on DABCO as a ligand to facilitate complex bond formations and improve reaction yields.
Polymerization processes utilize DABCO to stabilize metal catalysts, ensuring controlled and consistent polymer chain growth.
Hydrolysis reactions use DABCO to modulate the activity of metal-based catalysts, improving reaction rates and product purity.
Substitution reactions benefit from DABCO's stability and inertness, allowing precise control over reaction pathways and side products.

From the TCI brochure

Base immobilized on silica (SiO2/DABCO) with synergistic effect with palladium in allylation

Brand	TCI
CAS number	280-57-9
Molecular formula	—
Purity	—
Category	Chemistry > Catalysis and Inorganic Chemistry > Nitrogen-Donor Ligands [Catalysis]
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Solid powder
Storage	Store in a cool, dry place away from moisture and direct sunlight

Data from the TCI brochure

Jumlah DABCO relatif terhadap Cl pada SiO2/Cl	3 equiv. (acetone, 55 °C, 20 h)

Source: TCI brochure RR164 (2026-07-23)

DABCO should be stored in a cool, dry environment to maintain its chemical stability and prevent degradation. It is recommended to keep the compound in a sealed container to avoid exposure to moisture and air, which may affect its performance. Due to its non-toxic and odorless nature, DABCO is generally safe to handle, but standard laboratory precautions should still be followed, such as wearing appropriate personal protective equipment. It is advisable to store DABCO in a well-ventilated area to ensure safe handling and long-term preservation. Proper storage conditions help maintain the compound's effectiveness and ensure its suitability for repeated use in various chemical applications.

References cited in the TCI brochure

Ken Motokura. Co‐Immobilization of a Palladium–Bisphosphine Complex and Strong Organic Base on a Silica Surface for Heterogeneous Synergistic Catalysis ChemCatChem, 2015. doi:10.1002/cctc.201501178
Ken Motokura. A Pd–bisphosphine complex and organic functionalities immobilized on the same SiO 2 surface: detailed characterization and its use as an efficient catalyst for allylation Catalysis Science & Technology, 2016. doi:10.1039/c6cy00593d
Shashikant U. Dighe. A photochemical dehydrogenative strategy for aniline synthesis Nature, 2020. doi:10.1038/s41586-020-2539-7