1,8-Diazabicycloundecene, 98%

About 1,8-Diazabicycloundecene, 98%

1,8-Diazabicycloundecene is a synthetic reagent (Synthesis grade) carrying the CAS registry number 6674-22-2 with a typical assay of 98%. With the molecular formula C9H16N2, it has a molar mass of 152.24 g/mol. Systematically, it is named 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine. Alternative names: DBU and 1,8-Diazabicyclo[5.4.0]undec-7-ene.

The material typically appears as a colourless to light yellow liquid. Key physical data: a density of 1.018 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. It carries the GHS signal word “Danger” with 7 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis, reaction development, medicinal chemistry and catalysis. Typical end-use sectors are academic and industrial research.

We offer 1,8-Diazabicycloundecene in 25 mL, 100 mL, 5 kg and 4 x 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Catalysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	1,8-Diazabicycloundecene, 98%
Catalogue No.	VQ-000794
CAS Number	6674-22-2
IUPAC name	2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine
Molecular formula	C₉H₁₆N₂
Molecular weight	152.24 g/mol
Exact mass	152.1313
Grade	Synthesis
Purity / assay	98%
HSN code	29335990
InChIKey	GQHTUMJGOHRCHB-UHFFFAOYSA-N
SMILES	C1CCC2=NCCCN2CC1
PubChem CID	81184

Physical properties
Physical form	Liquid
Appearance	Colourless to light yellow liquid
Density	1.018 g/mL at 25 °C
LogP (XLogP3)	1.4
H-bond donors / acceptors	0 / 1
TPSA	15.6 Å²
UN number	UN 3267
Synonyms	2,3,4,6,7,8,9,10-Octahydropyrimidol[1,2-a]azepine, DBU, 1,8-Diazabicyclo[5.4.0]undec-7-ene, 1,8-Diazabicyclo(5.4.0)undec-7-ene, Pyrimido[1,2-a]azepine, 2,3,4,6,7,8,9,10-octahydro-, Pyrimido(1,2-a)azepine, 2,3,4,6,7,8,9,10-octahydro-, 1,8-diazabicyclo(5.4.0]undec-7-ene, 1,8-Diazabicyclo[5.4.0}undec-7-ene, 1,8-diazabicyclo{5.4.0]undec-7-ene, 1,8-DBU, 1,8-Diazabicyclo[5.4.0]-7-undecene, 1,8-diazabicyclo[5,4,0]undec-7-ene

Safety & hazard information (GHS)

Corrosive

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H290May be corrosive to metals
H301Toxic if swallowed
H302Harmful if swallowed
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P234, P260, P264, P264 + P265, P270, P273, P280, P301 + P316, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P362 + P364, P363, P390, P405, P406, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 1,8-Diazabicycloundecene, 98%?

The CAS Registry Number of 1,8-Diazabicycloundecene, 98% is 6674-22-2. It is also known as 2,3,4,6,7,8,9,10-Octahydropyrimidol[1,2-a]azepine, DBU, 1,8-Diazabicyclo[5.4.0]undec-7-ene.

What is the molecular formula and molecular weight of 1,8-Diazabicycloundecene, 98%?

1,8-Diazabicycloundecene, 98% has the molecular formula C9H16N2 and a molecular weight of 152.24 g/mol. Its IUPAC name is 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine.

Which grade and pack sizes of 1,8-Diazabicycloundecene, 98% can I order?

We supply 1,8-Diazabicycloundecene, 98% in Synthesis (98%) grade, in 25 mL, 100 mL, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1,8-Diazabicycloundecene, 98%?

Yes. Every lot of 1,8-Diazabicycloundecene, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 1,8-Diazabicycloundecene, 98% be shipped internationally?

Yes. 1,8-Diazabicycloundecene, 98% is classified as hazardous (UN 3267), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.