4H-1-Benzopyran-4-one,7-hydroxy-3-methyl-2-phenyl-

Modify Date: 2025-08-25 19:50:11

4H-1-Benzopyran-4-one,7-hydroxy-3-methyl-2-phenyl- Structure
4H-1-Benzopyran-4-one,7-hydroxy-3-methyl-2-phenyl- structure
Common Name 4H-1-Benzopyran-4-one,7-hydroxy-3-methyl-2-phenyl-
CAS Number 18651-15-5 Molecular Weight 252.26500
Density 1.289g/cm3 Boiling Point 452.2ºC at 760mmHg
Molecular Formula C16H12O3 Melting Point 278ºC
MSDS N/A Flash Point 173.3ºC

 Names

Name 7-hydroxy-3-methyl-2-phenylchromen-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.289g/cm3
Boiling Point 452.2ºC at 760mmHg
Melting Point 278ºC
Molecular Formula C16H12O3
Molecular Weight 252.26500
Flash Point 173.3ºC
Exact Mass 252.07900
PSA 50.44000
LogP 3.47400
Vapour Pressure 8.57E-09mmHg at 25°C
Index of Refraction 1.643

 Safety Information

HS Code 2914400090

 Customs

HS Code 2914400090
Summary 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Synonyms

7-Hydroxy-3-methyl-2-phenyl-chromen-4-on
3-methyl-7-hydroxyflavone
7-hydroxy-3-methyl-2-phenyl-chromen-4-one
7-hydroxy-3-methyl-2-phenylchromone
7-Hydroxy-3-methylflavone
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