Pyrazinetetracarboxylic acid

Names

[ CAS No. ]:
43193-60-8

[ Name ]:
Pyrazinetetracarboxylic acid

[Synonym ]:
pyrazinetetracarboxylic acid
2,3,5,6-pyrazinetetracarboxylic acid
EINECS 256-137-3

Chemical & Physical Properties

[ Density]:
2.032g/cm3

[ Boiling Point ]:
660ºC at 760 mmHg

[ Molecular Formula ]:
C8H4N2O8

[ Molecular Weight ]:
256.12600

[ Flash Point ]:
353ºC

[ Exact Mass ]:
255.99700

[ PSA ]:
174.98000

[ Index of Refraction ]:
1.727

Safety Information

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Phenazine
  • Tetramethylpyrazine
  • o-Phenylenediamine
  • 2,3-Diaminophenazine
  • 2-Amino-3-hydroxy phenazine
  • 2,3-Quinoxalinedicarboxylicacid

DownStream

  • pyrazine-2,3,5,6-tetracarboxamide
  • Pyrazine
  • Pyrazinetetracarboxylic acid, tetramethyl ester

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%