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Detail of "1003-56-1"

  • MSDS Download
  • CAS Number:
  • 1003-56-1
  • Name:

  • 2(1H)-Pyridinone,3-methyl-

  • Superlist Name:
  • 3-Methyl-2-pyridone
  • Molecular Structure:
  • Formula:
  • C6H7NO
  • Molecular Weight:
  • 109.13
  • Synonyms:
  • 2(1H)-Pyridone,3-methyl- (6CI,7CI,8CI);2-Hydroxy-3-methylpyridine;3-Methyl-2(1H)-pyridinone;3-Methyl-2(1H)-pyridone;3-Methyl-2-pyridinol;3-Methyl-2-pyridinone;NSC 4343;2(1H)-pyridinone, 3-methyl-;2-pyridinol, 3-methyl-;3-Methylpyridin-2(1H)-one;3-methylpyridin-2-ol;
  • EINECS:
  • 213-710-2
  • Density:
  • 1.053 g/cm3
  • Melting Point:
  • 139-141 °C
  • Boiling Point:
  • 307.4 °C at 760 mmHg
  • Flash Point:
  • 172.7 °C
  • Appearance:
  • Light yellow needles
  • Hazard Symbols:
  • IrritantXi
  • Risk Codes:
  • 22-37/38-41
  • Safety:
  • 26-36 Details
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CAS No.1003-56-1 3-Methyl-2-pyridoneCompetitive Product

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Assay:98%  Appearance:white power  Package:according cl...

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3-Methyl-2-pyridone

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CAS No.1003-56-1 3-Methyl-2-pyridone

2-Hydroxy-3-methylpyridine

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CAS No.1003-56-1 3-Methyl-2-pyridone

3-Methyl-2-pyridone Purity:97Size:0.%; Size:25g

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Reference

Quantum chemical consideration of substituent effects on tautomeric properties of 2-pyridones-2-pyridinols
Quantum chemical consideration of substituent effects on tautomeric properties of 2-pyridones-2-pyridinols. Kuzuya, Masayuki; Noguchi, Akihiro; Okuda, Takachiyo (Gifu Pharm. Univ., Gifu 502, Japan). Bull. Chem. Soc. Jpn., 57(12), 3454-60 (English) 1984. 1003-56-1 is the cas registry number. This chemical is also mentioned in this article. CODEN: BCSJA8. ISSN: 0009-2673. DOCUMENT TYPE: Journal CA Section: 22 (Physical Organic Chemistry) The tautomeric properties of 2-pyridones-2-pyridinols exerted by the substituent effect were discussed on the basis of quantum chem. quantities deduced from MO calcns. A substituent at the 6-position has the greatest stabilizing effect. The magnitude of this effect was greater on the 2-pyridinol form than on the 2-pyridone form, irresp. of the nature of the substituent. This led to a large predominance of the 2-pyridinol form on the 6-polar-substituted derivs., to such an extent that it was obsd. by conventional UV measurements at ambient temp. In the 6-Me deriv., the 2-pyridinol form was not obsd. by a similar measurement due to the weak substituent effect. The assocn. ability is still an important factor in detg. tautomeric equil. in a soln., resulting in a strong lability to the mol. environment. The substituent effects on the stabilities of both tautomers were correlated with the N-at. charges and ring structural modifications of the tautomers. .
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