METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE

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Names

[ CAS No. ]:
18398-73-7

[ Name ]:
METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE

[Synonym ]:
Chromon-2-carbonsaeuremethylester
Chromone-2-carboxylic acid methyl ester
4H-1-BENZOPYRAN-2-CARBOXYLIC ACID,4-OXO-,METHYL ESTER
methyl 4-oxo-4H-chromene-2-carboxylate
methyl 2-chromonecarboxylate
Methyl chromone-2-carboxylate
4-oxo-4H-chromene-2-carboxylic acid methyl ester
4-Oxo-4H-chromen-2-carbonsaeure-methylester
4-Oxo-4H-1-benzopyran-2-carboxylic acid methyl ester

Chemical & Physical Properties

[ Density]:
1.337g/cm3

[ Boiling Point ]:
311.3ºC at 760mmHg

[ Molecular Formula ]:
C11H8O4

[ Molecular Weight ]:
204.17900

[ Flash Point ]:
137.2ºC

[ Exact Mass ]:
204.04200

[ PSA ]:
56.51000

[ LogP ]:
1.57960

[ Vapour Pressure ]:
0.000569mmHg at 25°C

[ Index of Refraction ]:
1.578

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2502450
CHEMICAL NAME :
4H-1-Benzopyran-2-carboxylic acid, 4-oxo-, methyl ester
CAS REGISTRY NUMBER :
18398-73-7
BEILSTEIN REFERENCE NO. :
0011697
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C11-H8-O4
MOLECULAR WEIGHT :
204.19
WISWESSER LINE NOTATION :
T66 BO EVJ CVO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PHTXA6 Pharmacology and Toxicology. English translation of FATOAO. (New York, NY) V.20-22, 1957-59. Discontinued. Volume(issue)/page/year: 21,555,1958

Safety Information

[ HS Code ]:
2918300090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Methanol
  • Chromocarb
  • Ortho-Hydroxyacetophenone
  • Diethyloxalate
  • methyl 4-(o-hydroxyphenyl)-2,4-dioxobutanoate
  • N-Benzylidenemethanamine
  • Dimethyl oxalate
  • Benzenemethanamine,N-(phenylmethylene)-
  • methyl 2-(methoxymethoxy)benzoate

DownStream

Customs

[ HS Code ]: 2918300090

[ Summary ]:
2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Related Compounds

  • difructose anhydride IV
  • METHYL 4-OXO-3-PHENYL-4H-CHROMENE-2-CARBOXYLATE
  • METHYL 6-BROMO-4-OXO-4H-CHROMENE-2-CARBOXYLATE
  • Methyl 6-chloro-4-oxo-4H-chromene-2-carboxylate
  • Ethyl 4-oxo-4H-chromene-2-carboxylate
  • 7-Methoxy-4-oxo-4H-chromene-2-carboxylic acid methyl ester
  • 5-Bromo-2-{[1-(4,4-difluorocyclohexanecarbonyl)piperidin-4-yl]oxy}pyrimidine
  • 3-[3-[2-(Trifluoromethyl)pyridin-4-yl]oxyazetidin-1-yl]pyrazine-2-carbonitrile
  • 4-Ethyl-5-fluoro-6-{5-[5-(trifluoromethyl)pyridin-2-yl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyrimidine
  • 4-[(5-bromopyrimidin-2-yl)oxy]-N-cyclopentylpiperidine-1-carboxamide
  • N-(3-Chloro-4-fluorophenyl)-5,6-dimethylpyrimidine-4-carboxamide
  • 2-(4-Bromophenyl)-1-[4-(5-fluoro-6-methylpyrimidin-4-yl)piperazin-1-yl]ethan-1-one
  • 4-[(1-{Pyrido[3,4-d]pyrimidin-4-yl}azetidin-3-yl)oxy]-2-(trifluoromethyl)pyridine
  • 4-(5-Bromopyrimidin-2-yl)oxy-N,N-dimethylpiperidine-1-sulfonamide
  • 2,2-Difluoro-2-(3-methoxycarbonylphenyl)acetic acid
  • 2-[5-Bromo-1-[(2-methylpropan-2-yl)oxycarbonyl]-2,3-dihydroindol-3-yl]acetic acid
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