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

2,6-Dihydroxyacetophenone structure

2,6-Dihydroxyac...

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Ethyl 2-(triphenylphosphoranylidene)acetate structure

Ethyl 2-(triphe...

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~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 ;
N/A structure

N/A

CAS#:137565-37-8

~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
5-hydroxy-4-methyl-2-oxo-2H-chromene-6-carboxylic acid structure

5-hydroxy-4-met...

CAS#:86100-69-8

~%

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
2,6-Dihydroxyacetophenone structure

2,6-Dihydroxyac...

CAS#:699-83-2

~%

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
Methyl 2,4-dihydroxybenzoate structure

Methyl 2,4-dihy...

CAS#:2150-47-2

~%

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
2,4-Dihydroxybenzoic acid structure

2,4-Dihydroxybe...

CAS#:89-86-1

~%

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-6-carboxylicacid, 5-hydroxy-4-methyl-2-oxo-, methyl ester structure

2H-1-Benzopyran...

CAS#:70093-11-7

~%

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
ethyl 5-hydroxy-4-methyl-2-oxochromene-3-carboxylate structure

ethyl 5-hydroxy...

CAS#:137565-36-7

~%

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
2,6-Dihydroxyacetophenone structure

2,6-Dihydroxyac...

CAS#:699-83-2

Sodium acetate structure

Sodium acetate

CAS#:127-09-3

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~%

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
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Chemsrc provides CAS#:2373-34-4 MSDS, density, melting point, boiling point, structure, etc. Its name is 2H-1-Benzopyran-2-one,5-hydroxy-4-methyl->> amp version: 2H-1-Benzopyran-2-one,5-hydroxy-4-methyl-

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