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42059-58-5

42059-58-5结构式
42059-58-5结构式

化源商城直购

英文名 trans-3-(4-oxo-4H-1-benzopyran-3-yl)acrylic acid
英文别名 rarechem al bk 0223
密度 1.484g/cm3
沸点 367.7ºC at 760 mmHg
分子式 C12H8O4
分子量 216.19000
闪点 145.7ºC
精确质量 216.04200
PSA 67.51000
LogP 1.89080
折射率 1.712
海关编码 2918300090

~13%

42059-58-5结构式

42059-58-5

详细
文献:Shutov, Roman V.; Kuklina, Elizaveta V.; Ivin, Boris A. Tetrahedron Letters, 2011 , vol. 52, # 2 p. 266 - 269

~96%

42059-58-5结构式

42059-58-5

文献:Suresh, Dhruva Kumar; Sandhu, Jagir S. Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2011 , vol. 50, # 10 p. 1479 - 1483

~95%

42059-58-5结构式

42059-58-5

文献:Iwasaki, Hideharu; Kume, Takashi; Yamamoto, Yohsuke; Akiba, Kin-ya Heterocycles, 1988 , vol. 27, # 7 p. 1599 - 1602

~%

42059-58-5结构式

42059-58-5

文献:Iwasaki, Hideharu; Kume, Takashi; Yamamoto, Yohsuke; Akiba, Kin-ya Heterocycles, 1988 , vol. 27, # 7 p. 1599 - 1602

~%

42059-58-5结构式

42059-58-5

文献:Iwasaki, Hideharu; Kume, Takashi; Yamamoto, Yohsuke; Akiba, Kin-ya Heterocycles, 1988 , vol. 27, # 7 p. 1599 - 1602
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%