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

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

[ CAS 号 ]:
18398-73-7

[ 英文名 ]:
METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE

[英文别名 ]:

Chromon-2-carbonsaeuremethylester
Chromone-2-carboxylic acid 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

METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE物理化学性质

[ 密度 ]:
1.337g/cm3

[ 沸点 ]:
311.3ºC at 760mmHg

[ 分子式 ]:
C₁₁H₈O₄

[ 分子量 ]:
204.17900

[ 闪点 ]:
137.2ºC

[ 精确质量 ]:
204.04200

[ PSA ]:
56.51000

[ LogP ]:
1.57960

[ 蒸汽压 ]:
0.000569mmHg at 25°C

[ 折射率 ]:
1.578

METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE毒性和生态

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

METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE安全信息

[ 海关编码 ]:
2918300090

METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE合成路线

详细合成路线

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

[ 海关编码 ]: 2918300090

[ 中文概述 ]:
2918300090 其他含醛基或酮基不含其他含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:6.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ 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%