Meisoindigo

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Names

[ CAS No. ]:
97207-47-1

[ Name ]:
Meisoindigo

[Synonym ]:
1-Methyl-1H,1'H-[3,3']biindolyliden-2,2'-dion
Meisoindigo
Biindolene deriv.
(E)-1-methyl-1H,1'H-[3,3']biindolylidene-2,2'-dione
2H-Indol-2-one, 3-(1,2-dihydro-2-oxo-3H-indol-3-ylidene)-1,3-dihydro-1-methyl-, (3E)-
(E)-1-Methyl-1H,1'H-[3,3']biindolyliden-2,2'-dion
HMS1593P16
1-methyl-1H,1'H-[3,3']biindolylidene-2,2'-dione
Dian III
Methylisoindigotin
N-methylisoindigo
N-Methylisoindigotin
(3E)-1-Methyl-3-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)-1,3-dihydro-2H-indol-2-one

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
482.0±45.0 °C at 760 mmHg

[ Melting Point ]:
236-237ºC

[ Molecular Formula ]:
C17H12N2O2

[ Molecular Weight ]:
276.289

[ Flash Point ]:
245.3±28.7 °C

[ Exact Mass ]:
276.089874

[ PSA ]:
49.41000

[ LogP ]:
1.53

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

[ Index of Refraction ]:
1.698

Safety Information

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Oxindole
  • 1-methylisatin
  • isatin

DownStream

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%