Molekula
1,8-Diazabicyclo(5.4.0)undec-7-ene
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
1,8-Diazabicyclo(5.4.0)undec-7-ene, commonly known as DBU, is a strong organic base used in organic synthesis, particularly in elimination and condensation reactions. It is also employed as a catalyst in various chemical processes. Industrially, it serves as a catalyst in polyurethane production and as a chemical reaction regulator. Available in high purity, with CAS number 6674-22-2, molecular formula C9H16N2, and molecular weight 152.24 g/mol. Stored at ambient temperature. Hazard classification includes signal word Danger. Molekula supplies 1,8-Diazabicyclo(5.4.0)undec-7-ene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — $67.00 per pack
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500 g — $295.60 per pack
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to light yellow liquid |
| Water | ≤0.5% |
| Assay | ≥99.0%(GC) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 116 °C |
| Transport Class | 8 (6.1) |
| Packing Group | II |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Vapour Pressure | 0.05 mmHg |
Source: PubChem CID 81184 (Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 25141559 |
| CAS Number | 6674-22-2 |
| IUPAC Name | 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine |
| EC Number | 229-713-7 |
| Molecular Formula | C9H16N2 |
| Molecular Weight | 152.24 |
| Exact Mass | 152.1313 |
| SMILES | C1CCC2=NCCCN2CC1 |
| InChIKey | GQHTUMJGOHRCHB-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H16N2/c1-2-5-9-10-6-4-8-11(9)7-3-1/h1-8H2 |
| PubChem CID | 81184 |
| UN Number | UN2922 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29335995 |
| Tariff Code | 2933599590 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
Hazard statements
- H301 Toxic if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H318 Causes serious eye damage
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,5-Diazabicyclo[5.4.0]-5-undecene
- 1,8-Diazabicyclo[5.4.0]-7-undecene
- 1,8-diazabicyclo[5.4.0]undec-7-en
- 2,3,4,6,7,8,9,10-Octahydropyrimido[1,2-a]azepine
- 2H,3H,4H,6H,7H,8H,9H,10H-pyrimido[1,2-a]azepine
- ALCANPOUDRE DBU 70-3KG
- AMICURE DBUE
- DABCO DBU
- DBU
- Pyrimido[1,2-a]azepine, 2,3,4,6,7,8,9,10-octahydro-
Frequently asked questions
What is 1,8-Diazabicyclo(5.4.0)undec-7-ene used for?
It is commonly used as a base in organic synthesis, particularly in elimination and condensation reactions, and as a catalyst in polymerization processes.
What is the chemical formula and molecular weight?
The formula is C9H16N2 with a molecular weight of 152.24 g/mol.
How should this compound be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available?
Molekula supplies this compound in technical grade; custom grades are available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.