5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
- CAS NO.：36267-71-7
- Empirical Formula: C7H8N2S
- Molecular Weight: 152.22
- MDL number: MFCD00038619
- EINECS: 252-940-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-22 17:51:23
![5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Structural](https://img.chemicalbook.in/CAS/GIF/36267-71-7.gif)
What is 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine?
Chemical properties
5,7-Dihydro-2-methylthieno(3,4d)pyrimidine has a roasted meaty aroma.
Preparation
By reaction of acetamidine HCl with 3-carbomethyoxytetrahydro-4-furanones
Definition
ChEBI: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine is an organosulfur heterocyclic compound, an organonitrogen heterocyclic compound and an organic heterobicyclic compound.
Taste threshold values
Taste characteristics at 5 ppm: corn, taco, nutty, popcorn and corn chip with roasted nuances
Properties of 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
| Melting point: | 64.5-65 °C |
| Boiling point: | 280.8±40.0 °C(Predicted) |
| Density | 1.260±0.06 g/cm3(Predicted) |
| FEMA | 3338 | 5,7-DIHYDRO-2-METHYLTHIENO(3,4-D)PYRIMIDINE |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| pka | 2.08±0.20(Predicted) |
| Odor | at 0.10 % in dipropylene glycol. corn chip taco popcorn toasted roasted |
| JECFA Number | 1566 |
| CAS DataBase Reference | 36267-71-7(CAS DataBase Reference) |
| EPA Substance Registry System | Thieno[3,4-d]pyrimidine, 5,7-dihydro-2-methyl- (36267-71-7) |
Safety information for 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
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 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
New Products
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![5-Methyl-3,4-dihydrothieno[2,3-d]pyrimidin-4-one ,90%](https://img.chemicalbook.in/CAS/20200401/GIF/CB82128845.gif)
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