2H-Pyran-5-carboxylicacid, 4,6-dimethyl-2-oxo-

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Names

[ CAS No. ]:
480-65-9

[ Name ]:
2H-Pyran-5-carboxylicacid, 4,6-dimethyl-2-oxo-

[Synonym ]:
4,6-DIMETHYL-2-OXO-2H-PYRAN-5-CARBOXYLIC ACID
EINECS 207-554-4
ISODEHYDRACETIC ACID
Isodehydroacetic acid
2,4-dimethyl-6-oxopyran-3-carboxylic acid
MFCD00023864

Chemical & Physical Properties

[ Density]:
1.326g/cm3

[ Boiling Point ]:
303.4ºC at 760mmHg

[ Melting Point ]:
154-156ºC

[ Molecular Formula ]:
C8H8O4

[ Molecular Weight ]:
168.14700

[ Flash Point ]:
125.8ºC

[ Exact Mass ]:
168.04200

[ PSA ]:
67.51000

[ LogP ]:
0.95480

[ Vapour Pressure ]:
0.000215mmHg at 25°C

[ Index of Refraction ]:
1.4530 (estimate)

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
36

[ Safety Phrases ]:
S24/25

[ HS Code ]:
2932209090

Precursor & DownStream

Precursor

  • Methyl isodehydracetate
  • Ethyl acetoacetate
  • 5-Carbethoxy-4,6-dimethyl-2-pyrone
  • Methyl acetoacetate
  • Sulfuric acid

DownStream

  • Methyl isodehydracetate
  • 3-FURANCARBOXYLIC ACID, 2,4-DIMETHYL-
  • 2,4-Dimethyl-6-oxo-1,6-dihydro-3-pyridinecarboxylic acid
  • Mesityl oxide
  • Carbon dioxide
  • 4,6-Dimethyl-2H-pyran-2-one
  • propyl 2,4-dimethyl-6-oxo-pyran-3-carboxylate
  • 1-(carbamoylamino)-2,4-dimethyl-6-oxo-pyridine-3-carboxylic acid
  • 2-Pentenedioic acid,3-methyl-, 1,5-diethyl ester

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 2H-Pyran-5-carboxylicacid, 4,6-dimethyl-3-nitro-2-oxo-, ethyl ester
  • 2H-Pyran-5-carboxylicacid, 3-bromo-4,6-dimethyl-2-oxo-, ethyl ester
  • 2H-Pyran-5-carboxamide,N-cyclohexyl-4,6-dimethyl-2-oxo-(9CI)
  • 2-methylpropyl 2,4-dimethyl-6-oxopyran-3-carboxylate
  • Methyl isodehydracetate
  • 5-Carbethoxy-4,6-dimethyl-2-pyrone