1,3,4,6,7,8-Hexahydro-1-methyl-2H-pyrimidol[1,2-a]pyrimidine
Synonym(s):1,3,4,6,7,8-Hexahydro-1-methyl-2H-pyrimido[1,2-a]pyrimidine;MTBD
- CAS NO.：84030-20-6
- Empirical Formula: C8H15N3
- Molecular Weight: 153.22
- MDL number: MFCD00043004
- EINECS: 281-791-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:52:47
![1,3,4,6,7,8-Hexahydro-1-methyl-2H-pyrimidol[1,2-a]pyrimidine Structural](https://img.chemicalbook.in/CAS/GIF/84030-20-6.gif)
What is 1,3,4,6,7,8-Hexahydro-1-methyl-2H-pyrimidol[1,2-a]pyrimidine?
Chemical properties
Colorless liquid
The Uses of 1,3,4,6,7,8-Hexahydro-1-methyl-2H-pyrimidol[1,2-a]pyrimidine
7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene may be used in microwave-promoted, palladium-catalyzed C-N bond-forming reactions with aryl/heteroaryl nonaflates and amines. It may be used as strong base to investigate the podand solvents, tris(oxaalkyl)phenylsilanes and tris(oxaalkyl)phosphates.
What are the applications of Application
7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene is a strongly hindered guanidine base
General Description
7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene is a soluble amine base. It forms 1:1 complexes with 4-nitrophenyl[bis(diethylsulfonyl)]methane and phenyl[bis(diethylsulfonyl)]methane and their structures have been studied by FT-IR, 1H NMR and PM5 semiempirical methods. Catalytic performance of 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene for the transesterification of rapseed oil with methanol has been investigated.
Properties of 1,3,4,6,7,8-Hexahydro-1-methyl-2H-pyrimidol[1,2-a]pyrimidine
| Boiling point: | 75-79 °C0.1 mm Hg(lit.) |
| Density | 1.067 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Inert atmosphere,2-8°C |
| form | clear liquid |
| pka | 14.37±0.20(Predicted) |
| color | Colorless to Yellow to Orange |
| BRN | 7635759 |
Safety information for 1,3,4,6,7,8-Hexahydro-1-methyl-2H-pyrimidol[1,2-a]pyrimidine
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/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. Continuerinsing. |
Computed Descriptors for 1,3,4,6,7,8-Hexahydro-1-methyl-2H-pyrimidol[1,2-a]pyrimidine
| InChIKey | OEBXWWBYZJNKRK-UHFFFAOYSA-N |
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![1,5,7-Triazabicyclo[4.4.0]dec-5-ene](https://img.chemicalbook.in/CAS/GIF/5807-14-7.gif)
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