4,6-Dihydroxy-2H-1-benzopyran-2-one

Modify Date: 2024-01-06 12:09:56

4,6-Dihydroxy-2H-1-benzopyran-2-one Structure
4,6-Dihydroxy-2H-1-benzopyran-2-one structure
Common Name 4,6-Dihydroxy-2H-1-benzopyran-2-one
CAS Number 30992-75-7 Molecular Weight 178.14200
Density 1.612±0.06 g/cm3 Boiling Point N/A
Molecular Formula C9H6O4 Melting Point 268-270 ºC (acetone water )
MSDS N/A Flash Point N/A

 Names

Name 4,6-dihydroxychromen-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.612±0.06 g/cm3
Melting Point 268-270 ºC (acetone water )
Molecular Formula C9H6O4
Molecular Weight 178.14200
Exact Mass 178.02700
PSA 70.67000
LogP 1.20420
Water Solubility Slightly soluble (6.4 g/L) (25 ºC)

 Safety Information

HS Code 2932209090

 Synthetic Route

~73%

4,6-Dihydroxy-2H-1-benzopyran-2-one Structure

4,6-Dihydroxy-2...

CAS#:30992-75-7

Literature: MILLENNIUM PHARMACEUTICALS, INC. Patent: WO2003/106452 A2, 2003 ; Location in patent: Page 155 ; WO 03/106452 A2

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4,6-Dihydroxy-2H-1-benzopyran-2-one Structure

4,6-Dihydroxy-2...

CAS#:30992-75-7

Literature: Ziegler et al. Monatshefte fuer Chemie, 1959 , vol. 90, p. 206,210

~%

4,6-Dihydroxy-2H-1-benzopyran-2-one Structure

4,6-Dihydroxy-2...

CAS#:30992-75-7

Literature: Ziegler et al. Monatshefte fuer Chemie, 1959 , vol. 90, p. 206,210

~%

4,6-Dihydroxy-2H-1-benzopyran-2-one Structure

4,6-Dihydroxy-2...

CAS#:30992-75-7

Literature: Garden et al. Journal of the Chemical Society, 1956 , p. 3315,3317

 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

2,6-dihydroxychromen-4-one
4,6-dihydroxy-coumarin
4,6-Dihydroxy-cumarin
4,6-dihydroxy-chromen-2-one
4,6-Dihydroxy-2H-1-benzopyran-2-one
4,6-Dihydroxycoumarin