1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone, 98%, Thermo Scientific Chemicals

Description

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone is a versatile solvent used in the N-alkylation of chiral and O-alkylation of aldoses. It is involved in the preparation of poly(aryl ethers). It is a cyclic urea and used as a polar aprotic organic solvent. Further, it reacts with trifluoro-methanesulfonic acid anhydride to prepare 2,2'-oxy-bis(1,3-dimethyl-tetrahydropyrimidinium) bis(trifluoromethanesulfonate).

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone is a versatile solvent used in the N-alkylation of chiral and O-alkylation of aldoses. It is involved in the preparation of poly(aryl ethers). It is a cyclic urea and used as a polar aprotic organic solvent. Further, it reacts with trifluoro-methanesulfonic acid anhydride to prepare 2,2′-oxy-bis(1,3-dimethyl-tetrahydropyrimidinium) bis(trifluoromethanesulfonate).

Solubility
Miscible with water.

Notes
Hygroscopic. Moisture sensitive. Incompatible with strong oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 7226-23-5
• Molecular Formula: C6H12N2O
• Molecular Weight (g/mol): 128.175
• MDL Number: MFCD00006550
• InChI Key: GUVUOGQBMYCBQP-UHFFFAOYSA-N
• Synonym: 1,3-dimethyl-3,4,5,6-tetrahydro-2 1h-pyrimidinone, 1,3-dimethyltetrahydropyrimidin-2 1h-one, dmpu, dimethylpropyleneurea, 2 1h-pyrimidinone, tetrahydro-1,3-dimethyl, n,n'-dimethylpropyleneurea, n,n'-dimethyltrimethyleneurea, ccris 4322, n,n'-dimethylpropylene urea, tetrahydro-1,3-dimethyl-2 1h pyrimidine
• PubChem CID: 81646
• IUPAC Name: 1,3-dimethyl-1,3-diazinan-2-one
• SMILES: CN1CCCN(C1=O)C

• Melting Point: -23°C
• Density: 1.06
• pH: 11
• Boiling Point: 246°C to 247°C
• Flash Point: 120°C (248°F)
• Odor: Odorless
• Refractive Index: 1.489
• Quantity: 25 g
• Beilstein: 110562
• Sensitivity: Hygroscopic
• Solubility Information: Miscible with water.
• Formula Weight: 128.18
• Percent Purity: 98%
• Chemical Name or Material: 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone

RUO – Research Use Only