Description and features
AminCat DBU ( 1,8-Diazabicyclo(5.4.0)undec-7-ene ) is a clear, light yellow liquid of relatively low volatility which has C9H16N2 as chemical formula. It has only a slight ammonia-like odour, is miscible with water and is soluble in most organic solvents.
(1,8-Diazabicyclo(5.4.0)undec-7-ene) is also known as 2H,3H,4H,6H,7H,8H,9H,10H-pyrimido[1,2-a]azepine.
Availability
Europe and United States: AminCat DBU is ➔ on stock in our local warehouses. Our lead time is about one week if delivered in 200 KG steel drums.
Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.
This substance (CAS: 6674-22-2) has been registered (FULL) under REACH (EC) 1907/2006.
Product Identification
| CAS number | 6674-22-2 |
| EC number | 229-713-7 |
| HS code | 2933 59 95 |
Specification
| Appearance | Clear, light yellow liquid |
| Assay | ≥99.00 % |
| Water | ≤0.25 % |
Application
AminCat DBU catalyst is used mainly for specialised applications requiring very strong catalysis. These applications include formulations containing alicyclic or aliphatic isocyanates, which are much less active than aromatic isocyanates and require exceptionally strong catalysts. The product is recommended for evaluation in integral skin semi-flexible foams and microcellular systems.
Packaging
Available packaging: 200 KG steel drums.
Special packaging is available on request.
Storage
Store 1,8-Diazabicyclo[5.4.0]undec-7-enein cool, dry and well-ventilated area and in line with legal requirements.
Keep AminCat DBU away from heat sources and oxidizing agents.
MSDS
A Material Safety Data Sheets (MSDS) is available for AminCat DBU and all other products supplied by Vesta Chemicals BV.
An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.
Molecular and structural information
| Molecular formula | C9H16N2 |
| Molecular weight | 152.24 g/mol |
| Smiles notation | C1CCC2=NCCCN2CC1 |
| InChi key | GQHTUMJGOHRCHB-UHFFFAOYSA-N |
| Structural formula |  |
Physicochemical information
| Boiling point | 261.86 ºC @ 1.013.25 hPa |
| Bulk density | 1.019 kg/m3 @ 20 ºC |
| Flash point | 113 ºC |
| Melting point | No mp between -100 ºC and 30 ºC |
| Log Pow | -6.25 @ 25 ºC (pH 4) |
| Solubility in water | 1.000 g/l (20 ºC) |
| Vapor pressure | ln(p/hPa) = 17.6347 – 5103.75/(216.54 + t/°C) |