METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE
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
Precursor & DownStream
Precursor
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%