2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-

Modify Date: 2024-01-12 09:25:31

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure
2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- structure
Common Name 2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-
CAS Number 2373-34-4 Molecular Weight 176.16900
Density 1.319g/cm3 Boiling Point 357ºC at 760mmHg
Molecular Formula C10H8O3 Melting Point N/A
MSDS N/A Flash Point 163.6ºC

 Names

Name 5-hydroxy-4-methylchromen-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.319g/cm3
Boiling Point 357ºC at 760mmHg
Molecular Formula C10H8O3
Molecular Weight 176.16900
Flash Point 163.6ºC
Exact Mass 176.04700
PSA 50.44000
LogP 1.80700
Vapour Pressure 1.36E-05mmHg at 25°C
Index of Refraction 1.611

 Safety Information

HS Code 2932209090

 Synthetic Route

~56%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Literature: THE TRUSTEES OF COLLUMBIA UNIVERSITY IN THE CITY OF NEW YORK Patent: WO2006/26368 A2, 2006 ; Location in patent: Page/Page column 112 ;

~91%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Literature: Takeuchi; Kasama; Aida; Oki; Maruyama; Watanabe; Tobinaga Chemical and Pharmaceutical Bulletin, 1991 , vol. 39, # 6 p. 1415 - 1421

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Literature: Sethna et al. Journal of the Chemical Society, 1938 , p. 228,231 Full Text Show Details Woodruff Journal of the American Chemical Society, 1942 , vol. 64, p. 2859,2860

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Literature: Takeuchi; Kasama; Aida; Oki; Maruyama; Watanabe; Tobinaga Chemical and Pharmaceutical Bulletin, 1991 , vol. 39, # 6 p. 1415 - 1421

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Literature: Sethna et al. Journal of the Chemical Society, 1938 , p. 228,231

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Literature: Sethna et al. Journal of the Chemical Society, 1938 , p. 228,231

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Literature: Sethna et al. Journal of the Chemical Society, 1938 , p. 228,231

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Literature: Takeuchi; Kasama; Aida; Oki; Maruyama; Watanabe; Tobinaga Chemical and Pharmaceutical Bulletin, 1991 , vol. 39, # 6 p. 1415 - 1421

~%

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl- Structure

2H-1-Benzopyran...

CAS#:2373-34-4

Detail
Literature: Limaye; Kelkar Journal of the Indian Chemical Society, 1935 , vol. 12, p. 788

 Customs

HS Code 2932209090
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2H-1-Benzopyran-2-one,5-hydroxy-4-methyl
5-hydroxy-4-methyl-2H-1-benzopyran-2-one
5-hydroxy-4-methyl-chromen-2-one
5-Hydroxy-4-methylcoumarin
4-Methyl-5-hydroxycumarin
5-Hydroxy-4-methyl-cumarin