3,4-dihydro-2H-benzo[h]chromene

Names

[ Name ]:
3,4-dihydro-2H-benzo[h]chromene

[Synonym ]:
2,3-Dihydro-4H-naphtho<1,2-b>pyran
7,8-Benzochroman
3,4-Dihydro-2H-benzo[h]chromen
3,4-dihydro-2H-naphtho[1,2-b]pyran
2H-Naphtho[1,2-b]pyran,3,4-dihydro

Chemical & Physical Properties

[ Molecular Formula ]:
C₁₃H₁₂O

[ Molecular Weight ]:
184.23400

[ Exact Mass ]:
184.08900

[ PSA ]:
9.23000

[ LogP ]:
3.16480

Safety Information

[ HS Code ]:
2902909090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2902909090

[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%