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Pyrimidone information


4-Pyrimidone
Names
Preferred IUPAC name
1H-Pyrimidin-6-one
Other names
Hydroxypyrimidine; Pyrimidinone
Identifiers
CAS Number
  • 557-01-7 2-Pyrimidone checkY
  • 4562-27-0 4-Pyrimidone checkY[CAS]
3D model (JSmol)
  • Interactive image
ChemSpider
  • 61686 2-Pyrimidone
  • 19489 4-Pyrimidone
PubChem CID
  • 20695
UNII
  • 13K708ILY4 2-Pyrimidone checkY
  • K43V90OY4L 4-Pyrimidone checkY
SMILES
  • O=C1NC=NC=C1
Properties
Chemical formula
C4H4N2O
Molar mass 96.089 g·mol−1
Appearance White to light yellow powder
Melting point 163 to 168 °C (325 to 334 °F; 436 to 441 K)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Respiratory system, eye, skin irritation
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

Pyrimidone is the name given to either of two heterocyclic compounds with the formula C4H4N2O: 2-pyrimidone and 4-pyrimidone. The compounds can also be called 2-hydroxypyrimidine or 4-hydroxypyrimidine respectively, based on a substituted pyrimidine, or 1,3-diazine, ring.

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