18398-73-7

• 常用中文名：METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE
• 常用英文名：METHYL 4-OXO-4H-CHROMENE-2-CARBOXYLATE
• CAS号：18398-73-7
• 分子式：C₁₁H₈O₄
• 分子量：204.17900
• 发布时间：2017-06-18 01:01:42
• 更新时间：2024-01-10 19:53:56

名称

• 英文名: methyl 4-oxochromene-2-carboxylate
• 英文别名: 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

物化性质

• 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

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

安全

• 海关编码: 2918300090

合成路线

67-56-1 4940-39-0 ~86% 18398-73-7

文献：Sakamoto, Masami; Yoshiwara, Kazuya; Yagishita, Fumitoshi; Yoshida, Wataru; Mino, Takashi; Fujita, Tsutomu Research on Chemical Intermediates, 2013 , vol. 39, # 1 p. 385 - 395

4940-39-0 ~% 18398-73-7

文献：Merrell Pharmaceuticals Inc. Patent: US5668143 A1, 1997 ;

118-93-4 95-92-1 ~77% 18398-73-7

文献：Reddy, K. R. S.; Srimannarayana, G.; Rao, N. V. Subba Journal of the Indian Chemical Society, 1986 , vol. 63, p. 600 - 602

55386-79-3 622-29-7 ~% 18398-73-7 91137-41-6 详细

文献：Vydzhak; Panchishin, S. Ya. Russian Journal of General Chemistry, 2008 , vol. 78, # 12 p. 2391 - 2397

553-90-2 118-93-4 ~% 18398-73-7

文献：Sapegin, Alexander V.; Kalinin, Stanislav A.; Smirnov, Alexey V.; Dorogov, Mikhail V.; Krasavin, Mikhail Tetrahedron, 2014 , vol. 70, # 5 p. 1077 - 1083

55386-79-3 780-25-6 ~% 18398-73-7 22084-15-7 详细

文献：Vydzhak; Panchishin, S. Ya. Russian Journal of General Chemistry, 2008 , vol. 78, # 12 p. 2391 - 2397

118-93-4 ~% 18398-73-7

文献：Schmutz et al. Helvetica Chimica Acta, 1951 , vol. 34, p. 767,774

27701-23-1 129661-87-6 ~% 18398-73-7

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

上下游产品

上游产品  9
67-56-1 4940-39-0 118-93-4 95-92-1
55386-79-3 622-29-7 553-90-2 780-25-6
27701-23-1
下游产品  0

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%