methyl 4-oxochromene-2-carboxylate

methyl 4-oxochromene-2-carboxylate 基本信息
CAS号 18398-73-7 分子式 C11H8O4
分子量 204.17900 精确质量  204.04200
PSA  56.51000 LogP  1.57960

基本信息 展开↓

CAS号:
18398-73-7
分子式:
C11H8O4
分子量:
204.17900
中文名称:
methyl 4-oxochromene-2-carboxylate
英文名称:
methyl 4-oxochromene-2-carboxylate
中文别名:
methyl 4-oxochromene-2-carboxylate
英文别名:
methyl 4-oxochromene-2-carboxylate;
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
精确分子量/精确质量:
204.04200
极性分子表面积/PSA:
56.51000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。

物化性质展开↓

密度:
1.337g/cm3
沸点:
311.3ºC at 760mmHg
闪点:
137.2ºC
折射率:
1.578
蒸汽压:
0.000569mmHg at 25°C

安全信息展开↓

海关代码:
2918300090

合成路线查看所有的合成路线

  • 67-56-1

    甲醇

  • +

  • 4940-39-0

    色酮-2-甲酸

  • ~86%

  • 18398-73-7

    methyl 4-oxochromene-2-carboxylate

  • 118-93-4

    2'-羟基苯乙酮

  • +

  • 95-92-1

    乙二酸二乙酯

  • ~77%

  • 18398-73-7

    methyl 4-oxochromene-2-carboxylate

  • 27701-23-1

    methyl 2-(methoxymethoxy)benzoate

  • +

  • 129661-87-6

    129661-87-6

  • 18398-73-7

    methyl 4-oxochromene-2-carboxylate

毒理性展开↓

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

海关数据查看详细

中国海关编码:2918300090

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
摘要/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%

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