(2,6-Dimethyl-4H-pyran-4-ylidene)malononitrile

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Names

[ CAS No. ]:
28286-88-6

[ Name ]:
(2,6-Dimethyl-4H-pyran-4-ylidene)malononitrile

[Synonym ]:
2-(2-tert-Butyl-6-methyl-pyran-4-ylidene)-malononitrile
Propanedinitrile, 2-(2,6-dimethyl-4H-pyran-4-ylidene)-
(2,6-dimethyl-4H-pyran-4-ylidene)propanedinitrile
2-(2,6-dimethyl-4H-pyran-4-ylidene)-malononitrile
4-(Dicyanomethylene)-2,6-Dimethyl-4H-Pyran
2-(2,6-Dimethyl-4H-pyran-4-ylidene)malononitrile
MFCD00181519
2-(2,6-Dimethyl-4H-pyran-4-ylidene)propanedinitrile
2-(2,6-dimethylpyran-4-ylidene)-malononitrile
(2,6-Dimethyl-4H-pyran-4-ylidene)malononitrile

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
244.1±40.0 °C at 760 mmHg

[ Melting Point ]:
192-194 °C(lit.)

[ Molecular Formula ]:
C10H8N2O

[ Molecular Weight ]:
172.183

[ Flash Point ]:
94.9±20.2 °C

[ Exact Mass ]:
172.063660

[ PSA ]:
56.81000

[ LogP ]:
-0.22

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.539

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
T+

[ WGK Germany ]:
3

[ HS Code ]:
2932999099

Synthetic Route

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Precursor & DownStream

Precursor

  • 2,6-Dimethyl-γ-pyrone
  • Malononitrile
  • Dehydroacetic acid
  • Ethanoic anhydride
  • 4H-Pyran-4-thione,2,6-dimethyl-

DownStream

  • 4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran
  • 2-[2-[(E)-2-[4-(dimethylamino)phenyl]ethenyl]-6-methylpyran-4-ylidene]propanedinitrile
  • 2-(1-amino-2,6-dimethylpyridin-4-ylidene)propanedinitrile

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • Propanedinitrile, (2,6-diethyl-3,5-dimethyl-4H-pyran-4-ylidene)- (9CI)
  • 2-(2,6-bis(4-(dimethylamino)styryl)-4H-pyran-4-ylidene)-malononitrile
  • 1-(4-bromophenyl)-2-(2,6-dimethylpyran-4-ylidene)ethanone
  • 3,5-Diacetyl-2,6-dimethyl-4H-pyran-4-one
  • 3,5-Diacetyl-2,3,5,6-tetrahydro-2,6-dimethyl-4H-pyran-4-one
  • 2,6-Dimethyl-3-acetyl-4H-pyran-4-one