2,2-Dimethyl-2H-1-benzopyran

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Names

[ CAS No. ]:
2513-25-9

[ Name ]:
2,2-Dimethyl-2H-1-benzopyran

[Synonym ]:
2H-1-Benzopyran,2,2-dimethyl
2,2-dimethyl-2H-1-benzopyran
2,2-dimethyl-2H-chromene
2,2'-dimethylchromene

Chemical & Physical Properties

[ Density]:
1.007g/cm3

[ Boiling Point ]:
231.1ºC at 760 mmHg

[ Molecular Formula ]:
C11H12O

[ Molecular Weight ]:
160.21200

[ Flash Point ]:
86.6ºC

[ Exact Mass ]:
160.08900

[ PSA ]:
9.23000

[ LogP ]:
2.87080

[ Vapour Pressure ]:
0.0964mmHg at 25°C

[ Index of Refraction ]:
1.527

Safety Information

[ HS Code ]:
2901299090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Methyl butynol
  • Phenol
  • 2-methylbut-3-yn-2-yloxybenzene
  • Phenol,2-(3-methyl-2-buten-1-yl)-
  • 2,2-dimethyl-2H-chromene-3-carbaldehyde
  • METHYLMAGNESIUM BROMIDE
  • Coumarin
  • 2,2-DIMETHYLCHROMANE
  • Ethyl 3-methyl-2-butenoate

DownStream

  • 2,2-dimethyl-2H-chroMene-6-carboxylic acid
  • Demethoxyencecalin
  • 2,2-DIMETHYLCHROMANE
  • Phenol,2-(3-methyl-2-buten-1-yl)-
  • 2-(3-methylbutyl)phenol
  • 2,2-Dimethyl-3-nitro-2H-1-benzopyran

Customs

[ HS Code ]: 2901299090

[ Summary ]:
2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Related Compounds

  • 2,2-dimethyl-2H-1-benzopyran-4-one
  • 4-bromo-2,2-dimethyl-2H-1-benzopyran
  • 6-bromo-2,2-dimethyl-2H-1-benzopyran
  • 7-amino-2,2-dimethyl-2H-1-benzopyran
  • 3-bromo-2,2-dimethyl-2H-1-benzopyran
  • 6-cyano-2,2-dimethyl-2H-1-benzopyran-3-one