1,8-Diazabicyclo[5.4.0]undec-7-ene, 98+%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
11479673	Thermo Scientific Alfa Aesar A12449.14	25 g
11489673	Thermo Scientific Alfa Aesar A12449.22	100 g
11499673	Thermo Scientific Alfa Aesar A12449.36	500 g

Description

1,8-Diazabicyclo[5.4.0]undec-7-ene is used in organic synthesis as a catalyst, a complexing ligand, and a non-nucleophilic base. It is used as a protecting agent for the synthesis of cephalosporin and as a catalyst for polyurethane.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
1,8-Diazabicyclo[5.4.0]undec-7-ene is used in organic synthesis as a catalyst, a complexing ligand, and a non-nucleophilic base. It is used as a protecting agent for the synthesis of cephalosporin and as a catalyst for polyurethane.

Solubility
Miscible with water.

Notes
Incompatible with acids, strong oxidizing agents, acid anhydrides, acid chlorides and chloroformates.

Chemical Identifiers

• CAS: 6674-22-2
• Molecular Weight (g/mol): 152.241
• InChI Key: GQHTUMJGOHRCHB-UHFFFAOYSA-N
• PubChem CID: 81184
• SMILES: C1CCC2=NCCCN2CC1

• Molecular Formula: C9H16N2
• MDL Number: MFCD00006930
• Synonym: 1,8-diazabicyclo 5.4.0 undec-7-ene, 2,3,4,6,7,8,9,10-octahydropyrimido 1,2-a azepine, polycat dbu, dbu, unii-h1ilj6ibux, pyrimido 1,2-a azepine, 2,3,4,6,7,8,9,10-octahydro, 1,8-diazabicyclo 5.4.0-7-undecene, h1ilj6ibux, 1,8-diazabicyclo 5,4,0 undec-7-ene
• IUPAC Name: 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine

Specifications

• CAS: 6674-22-2
• Density: 1.02
• Boiling Point: 261°C
• Odor: Amine-like
• Refractive Index: 1.522
• UN Number: UN3267
• Sensitivity: Air Sensitive
• Solubility Information: Miscible with water.
• SMILES: C1CCC2=NCCCN2CC1
• Molecular Weight (g/mol): 152.241
• Formula Weight: 152.24
• Chemical Name or Material: 1,8-Diazabicyclo[5.4.0]undec-7-ene

• Melting Point: -70°C
• pH: 12.8
• Flash Point: 116°C (240°F)
• Molecular Formula: C9H16N2
• MDL Number: MFCD00006930
• Beilstein: 508906
• Synonym: 1,8-diazabicyclo 5.4.0 undec-7-ene, 2,3,4,6,7,8,9,10-octahydropyrimido 1,2-a azepine, polycat dbu, dbu, unii-h1ilj6ibux, pyrimido 1,2-a azepine, 2,3,4,6,7,8,9,10-octahydro, 1,8-diazabicyclo 5.4.0-7-undecene, h1ilj6ibux, 1,8-diazabicyclo 5,4,0 undec-7-ene
• InChI Key: GQHTUMJGOHRCHB-UHFFFAOYSA-N
• IUPAC Name: 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine
• PubChem CID: 81184
• Percent Purity: 99%

Safety and Handling

GHS H Statement
H314-H318-H302
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.

P260-P264b-P270-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c

H301-H314-H335

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missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures; Store under Nitrogen

Product Identifier

• 1,8-Diazabicyclo[5.4.0]undec-7-ene

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 3
• Serious eye damage/eye irritation Category 1
• Skin corrosion/irritation Category 1 B

Hazard Statement

• H301-Toxic if swallowed.
• H314-Causes severe skin burns and eye damage.
• H318-Causes serious eye damage.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

Supplemental information

• MIXTURE LIST-Contains : 2,3,4,6,7,8,9,10-octahydro-pyrimido[1,2-a]azepine

RUO – Research Use Only