Pyrazine-2,5-dicarboxylic acid

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Names

[ CAS No. ]:
122-05-4

[ Name ]:
Pyrazine-2,5-dicarboxylic acid

[Synonym ]:
MFCD01630902
PYRAZINE-2,5-DICARBOXYLIC ACID
2,5-Pyrazinedicarboxylic acid

Chemical & Physical Properties

[ Density]:
1.7±0.1 g/cm3

[ Boiling Point ]:
466.5±45.0 °C at 760 mmHg

[ Melting Point ]:
220-230°C

[ Molecular Formula ]:
C6H4N2O4

[ Molecular Weight ]:
168.107

[ Flash Point ]:
236.0±28.7 °C

[ Exact Mass ]:
168.017105

[ PSA ]:
100.38000

[ LogP ]:
-2.01

[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C

[ Index of Refraction ]:
1.638

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36/37/39

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,5-Dimethylpyrazine
  • 2-(D-arabino-tetrahydroxybutyl)-5-(3,4-dihydroxy-2-sulfobutyl)pyrazine
  • 2,5-PYRAZINEDICARBOXYLIC ACID, DIMETHYL ESTER
  • 2-(D-arabino-tetraacetoxybutyl)-5-(3,4-diacetoxy-2-sulfobutyl)pyrazine
  • 5-Methyl-2-pyrazinecarboxylic acid
  • pyrazine-2,3,5-tricarboxylic acid
  • 3-Bromopyruvic acid
  • Sulfuric acid
  • Trichloroacetic acid
  • Pyrazine-2-carboxylic acid

DownStream

  • Pyrazine
  • Pyrazine-2-carboxylic acid
  • 2,5-PYRAZINEDICARBOXYLIC ACID, DIMETHYL ESTER
  • 2,5-Pyridinedicarboxylic acid
  • (2S,5R)-piperazine-2,5-dicarboxylic acid
  • (2R,5R)-piperazine-2,5-dicarboxylic acid
  • pyrazine-2,5-dicarboxamide

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • pyrazine-2,5-dicarboxylic acid diamide
  • Pyrazine-2,5-dicarboxylic acid hydrate
  • 3,6-dibromopyrazine-2,5-dicarboxylic acid
  • 3,6-Diaminopyrazine-2,5-dicarboxylic acid
  • 3,6-Dimethylpyrazine-2,5-dicarboxylic acid
  • 3,6-diphenyl-pyrazine-2,5-dicarboxylic acid