7-Methoxy-2-oxo-2H-chromene-3-carboxylic acid

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Names

[ CAS No. ]:
20300-59-8

[ Name ]:
7-Methoxy-2-oxo-2H-chromene-3-carboxylic acid

[Synonym ]:
7-Methoxy-2-oxo-2H-chromene-3-carboxylic acid
2H-1-Benzopyran-3-carboxylic acid, 7-methoxy-2-oxo-
7-methoxy-2-oxochromene-3-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
424.4±45.0 °C at 760 mmHg

[ Melting Point ]:
194ºC

[ Molecular Formula ]:
C11H8O5

[ Molecular Weight ]:
220.178

[ Flash Point ]:
172.4±22.2 °C

[ Exact Mass ]:
220.037170

[ PSA ]:
76.74000

[ LogP ]:
1.56

[ Vapour Pressure ]:
0.0±1.1 mmHg at 25°C

[ Index of Refraction ]:
1.611

[ Storage condition ]:
-20°C

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethyl 7-methoxy-2-oxo-2H-chromene-3-carboxylate
  • 2-Hydroxy-4-methoxybenzaldehyde
  • Meldrumic acid
  • Malonic acid
  • 5-(2,4-dimethoxy-benzylidene)-2,2-dimethyl-[1,3] dioxane-4,6-dione
  • 3-CYANO-7-METHOXYCOUMARIN
  • Ethyl 7-hydroxy-2-oxo-2H-chromene-3-carboxylate
  • b-Resorcylaldehyde
  • m-Methoxyphenol
  • 2,4-dimethoxybenzaldehyde

DownStream

  • 7-Methoxy-3-phenyl-2H-chromen-2-one
  • 2H-1-Benzopyran-2-one, 7-methoxy-4-phenyl-
  • Ethyl 7-methoxy-2-oxo-2H-chromene-3-carboxylate
  • 3-chloroformyl-7-methoxycoumarin

Customs

[ HS Code ]: 2932209090

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

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Related Compounds

  • 7-methoxy-2-oxo-2H-chromene-3-carboxylic acid ethyl ester
  • 8-isopropoxy-7-methoxy-2-oxo-2H-chromene-3-carboxylic acid
  • 7-methoxy-2-oxo-2H-chromene-3-carboxylic acid (2,2-dimethyl-2H-chromen-6-yl)amide
  • 7-Methoxy-2-oxo-8-propyl-2H-chromene-3-carboxylic acid
  • 7-hydroxy-5-methoxy-2-oxo-2H-chromene-3-carboxylic acid
  • 7-hydroxy-8-methoxy-2-oxo-2H-chromene-3-carboxylic acid