1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine
Also known as: 1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine, DMTHPM, Pyrantel impurity D, Pyrantel embonate EP Impurity D, Morantel tartrate EP Impurity C, Pyrimidine, 1,4,5,6-tetrahydro-1,2-dimethyl-, 1,2-dimethyl-5,6-dihydro-4H-pyrimidine
1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine (CAS 4271-96-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H12N2 and a molecular weight of 112.173 g/mol. Key properties include a boiling point of 191.7±7.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 69.8±18.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4271-96-9
- Jingsj CID
- J-45208-4
- Molecular Formula
- C6H12N2
- Molecular Weight
- 112.173 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 191.7±7.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 69.8±18.2 °C |
| Exact Mass | 112.100044 |
| PSA | 15.60000 |
| LogP | 1.05 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.513 |
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine?
The CAS number of 1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine is 4271-96-9.
What are the molecular formula and molecular weight of 1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine?
1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine has molecular formula C6H12N2 and molecular weight 112.173 g/mol.
What are the upstream and downstream products of 1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine?
For 1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine, Upstream Products: Acetonitrile, N-Methyl-1,3-propanediamine, Ethyl acetimidate hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine (CAS 4271-96-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45208-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.