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

Modify Date: 2024-01-10 19:53:56

METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE Structure
METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE structure
 Common Name METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE
CAS Number 18398-73-7 Molecular Weight 204.17900
Density 1.337g/cm3 Boiling Point 311.3ºC at 760mmHg
Molecular Formula C11H8O4 Melting Point N/A
MSDS N/A Flash Point 137.2ºC

 Names

Name methyl 4-oxochromene-2-carboxylate
Synonym More Synonyms

 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

Methanol structure

Methanol

CAS#:67-56-1
Chromocarb structure

Chromocarb

CAS#:4940-39-0

~86%

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

METHYL 4-OXO-4H...

CAS#:18398-73-7
Literature: Sakamoto, Masami; Yoshiwara, Kazuya; Yagishita, Fumitoshi; Yoshida, Wataru; Mino, Takashi; Fujita, Tsutomu Research on Chemical Intermediates, 2013 , vol. 39, # 1 p. 385 - 395
Chromocarb structure

Chromocarb

CAS#:4940-39-0

~%

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

METHYL 4-OXO-4H...

CAS#:18398-73-7
Literature: Merrell Pharmaceuticals Inc. Patent: US5668143 A1, 1997 ;
Ortho-Hydroxyacetophenone structure

Ortho-Hydroxyac...

CAS#:118-93-4
Diethyloxalate structure

Diethyloxalate

CAS#:95-92-1

~77%

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

METHYL 4-OXO-4H...

CAS#:18398-73-7
Literature: Reddy, K. R. S.; Srimannarayana, G.; Rao, N. V. Subba Journal of the Indian Chemical Society, 1986 , vol. 63, p. 600 - 602
methyl 4-(o-hydroxyphenyl)-2,4-dioxobutanoate structure

methyl 4-(o-hyd...

CAS#:55386-79-3
N-Benzylidenemethanamine structure

N-Benzylideneme...

CAS#:622-29-7

~%

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

METHYL 4-OXO-4H...

CAS#:18398-73-7

N/A structure

N/A

CAS#:91137-41-6
Detail
Literature: Vydzhak; Panchishin, S. Ya. Russian Journal of General Chemistry, 2008 , vol. 78, # 12 p. 2391 - 2397
Dimethyl oxalate structure

Dimethyl oxalate

CAS#:553-90-2
Ortho-Hydroxyacetophenone structure

Ortho-Hydroxyac...

CAS#:118-93-4

~%

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

METHYL 4-OXO-4H...

CAS#:18398-73-7
Literature: Sapegin, Alexander V.; Kalinin, Stanislav A.; Smirnov, Alexey V.; Dorogov, Mikhail V.; Krasavin, Mikhail Tetrahedron, 2014 , vol. 70, # 5 p. 1077 - 1083
methyl 4-(o-hydroxyphenyl)-2,4-dioxobutanoate structure

methyl 4-(o-hyd...

CAS#:55386-79-3
Benzenemethanamine,N-(phenylmethylene)- structure

Benzenemethanam...

CAS#:780-25-6

~%

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

METHYL 4-OXO-4H...

CAS#:18398-73-7

N/A structure

N/A

CAS#:22084-15-7
Detail
Literature: Vydzhak; Panchishin, S. Ya. Russian Journal of General Chemistry, 2008 , vol. 78, # 12 p. 2391 - 2397
Ortho-Hydroxyacetophenone structure

Ortho-Hydroxyac...

CAS#:118-93-4

~%

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

METHYL 4-OXO-4H...

CAS#:18398-73-7
Literature: Schmutz et al. Helvetica Chimica Acta, 1951 , vol. 34, p. 767,774
methyl 2-(methoxymethoxy)benzoate structure

methyl 2-(metho...

CAS#:27701-23-1
pyruvic acid N,N-dimethylhydrazone structure

pyruvic acid N,...

CAS#:129661-87-6

~%

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

METHYL 4-OXO-4H...

CAS#:18398-73-7
Literature: Tapia, I.; Alcazar, V.; Moran, J. R. Canadian Journal of Chemistry, 1990 , vol. 68, # 12 p. 2190 - 2191

 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%

 Synonyms

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
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