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7-methylchroman-2-one

更新时间:2024-01-09 15:31:29

7-methylchroman-2-one结构式
7-methylchroman-2-one结构式
委托求购
常用名 7-methylchroman-2-one 英文名 7-methylchroman-2-one
CAS号 20921-01-1 分子量 162.18500
密度 1.157g/cm3 沸点 291.1ºC at 760 mmHg
分子式 C10H10O2 熔点 N/A
MSDS N/A 闪点 117.8ºC

 7-methylchroman-2-one名称

英文名 7-methyl-3,4-dihydrochromen-2-one
英文别名 更多

 7-methylchroman-2-one物理化学性质

密度 1.157g/cm3
沸点 291.1ºC at 760 mmHg
分子式 C10H10O2
分子量 162.18500
闪点 117.8ºC
精确质量 162.06800
PSA 26.30000
LogP 1.84660
蒸汽压 0.00199mmHg at 25°C
折射率 1.555

 7-methylchroman-2-one安全信息

海关编码 2932209090

 7-methylchroman-2-one合成线路

~99%

7-methylchroman-2-one结构式

7-methylchroman...

20921-01-1

文献:Yates, Peter; Macas, Tadas S. Canadian Journal of Chemistry, 1988 , vol. 66, p. 1 - 10

~80%

7-methylchroman-2-one结构式

7-methylchroman...

20921-01-1

文献:Gu, Yonghong; Xue, Kun Tetrahedron Letters, 2010 , vol. 51, # 1 p. 192 - 196

~%

7-methylchroman-2-one结构式

7-methylchroman...

20921-01-1

文献:Yates, Peter; Macas, Tadas S. Canadian Journal of Chemistry, 1988 , vol. 66, p. 1 - 10

~%

7-methylchroman-2-one结构式

7-methylchroman...

20921-01-1

文献:Powell; Johnson Journal of the American Chemical Society, 1924 , vol. 46, p. 2863

~%

7-methylchroman-2-one结构式

7-methylchroman...

20921-01-1

文献:Yang, Dan; Wong, Man-Kin; Yan, Zheng Journal of Organic Chemistry, 2000 , vol. 65, # 13 p. 4179 - 4184

 7-methylchroman-2-one海关

海关编码 2932209090
中文概述 2932209090. 其他内酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 7-methylchroman-2-one英文别名

dihydrocoumarin
7-methyldihydrocoumarin
3,4-dihydro-7-methyl-2H-1-benzopyran-2-one
7-methyl-3,4-dihydro-2h-chromen-2-one
3,4-dihydro-7-methylcoumarin
7-methyl-3,4-dihydrocoumarin
7-Methyl-chroman-2-one