Molekula
1,5,7-Triazabicyclo(4.4.0)dec-5-ene (1,3,4,6,7,8-hexahydro-2H-pyrimido(1,2-a)pyrimidine)
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
1,5,7-Triazabicyclo(4.4.0)dec-5-ene, also known as 1,3,4,6,7,8-hexahydro-2H-pyrimido(1,2-a)pyrimidine, is a nitrogen-containing heterocyclic compound used as a strong organic base and catalyst in synthetic organic chemistry. As a bicyclic guanidine superbase that can also act as a nucleophilic catalyst through acyl-guanidinium intermediates, it is commonly employed in transesterification, amidation of esters and ring-opening polymerization of cyclic esters such as lactide. CAS: 5807-14-7, Molecular Formula: C7H13N3, Molecular Weight: 139.20 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies 1,5,7-Triazabicyclo(4.4.0)dec-5-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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25 g — $92.60 per pack
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100 g — $226.70 per pack
Need a different quantity or pack?
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 | White to light yellow solid |
| Purity | >97% (TBD) |
| Total Impurities | <3.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 18977285 |
| CAS Number | 5807-14-7 |
| IUPAC Name | 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine |
| EC Number | 227-367-1 |
| Molecular Formula | C7H13N3 |
| Molecular Weight | 139.20 |
| Exact Mass | 139.1109 |
| SMILES | C1CNC2=NCCCN2C1 |
| InChIKey | FVKFHMNJTHKMRX-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H13N3/c1-3-8-7-9-4-2-6-10(7)5-1/h1-6H2,(H,8,9) |
| PubChem CID | 79873 |
| UN Number | UN3263 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.59.9500 |
| Tariff Code | 2933599590 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H402 Harmful to aquatic life
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+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- 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, Portuguese, 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
- 1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-a]pyrimidine
- 1,5,7-Triazabicyclo[4.4.0]dec-5-ene
- 1H,2H,3H,4H,6H,7H,8H-[1,3]diazino[1,2-a]pyrimidine
- 2,3,4,6,7,8-Hexahydro-1H-pyrimido[1,2-a]pyrimidine
- 2H-Pyrimido[1,2-a]pyrimidine, 1,3,4,6,7,8-hexahydro-
- 3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidine
- 5,6,7,8-tetrahydro-1H,2H,3H,4H-pyrimidino[1,2-a]1,3-diazaperhydroine
- Hhpp
- TBD compound
- Triazabicyclodecene
Frequently asked questions
What is 1,5,7-Triazabicyclo(4.4.0)dec-5-ene used for?
It is commonly used as a base in organic synthesis, particularly in reactions requiring a strong, non-nucleophilic base, such as in the formation of enolates or in catalytic processes.
What is the chemical formula and molecular weight?
The formula is C7H13N3 with a molecular weight of 139.20 g/mol.
How should this compound be stored?
Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available?
Available in technical grade; please contact us for custom purity options.
Can Molekula supply this in bulk?
Yes, we can supply this compound in bulk quantities—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.