3-[(2-oxochromen-3-yl)methyl]chromen-2-one

更新时间:2024-02-01 17:27:27

3-[(2-oxochromen-3-yl)methyl]chromen-2-one结构式
3-[(2-oxochromen-3-yl)methyl]chromen-2-one结构式
委托求购
常用名 3-[(2-oxochromen-3-yl)methyl]chromen-2-one 英文名 3-[(2-oxochromen-3-yl)methyl]chromen-2-one
CAS号 4139-69-9 分子量 304.29600
密度 1.359g/cm3 沸点 537.1ºC at 760 mmHg
分子式 C19H12O4 熔点 N/A
MSDS N/A 闪点 283.9ºC

 名称

英文名 3-[(2-oxochromen-3-yl)methyl]chromen-2-one

 物理化学性质

密度 1.359g/cm3
沸点 537.1ºC at 760 mmHg
分子式 C19H12O4
分子量 304.29600
闪点 283.9ºC
精确质量 304.07400
PSA 60.42000
LogP 3.49020
折射率 1.655

 安全信息

海关编码 2932209090

 合成线路

~66%

3-[(2-oxochromen-3-yl)methyl]chromen-2-one结构式

3-[(2-oxochrome...

4139-69-9

文献:Ahuja, Jaimala R.; Sayed, Alim A.; Kelkar, Shriniwas L.; Wadia, Murzban S. Synthetic Communications, 1987 , vol. 17, # 16 p. 1951 - 1958

~24%

3-[(2-oxochromen-3-yl)methyl]chromen-2-one结构式

3-[(2-oxochrome...

4139-69-9

详细
文献:Ahuja, Jaimala R.; Sayed, Alim A.; Kelkar, Shriniwas L.; Wadia, Murzban S. Synthetic Communications, 1987 , vol. 17, # 16 p. 1951 - 1958

~%

3-[(2-oxochromen-3-yl)methyl]chromen-2-one结构式

3-[(2-oxochrome...

4139-69-9

详细
文献:Ahuja, Jaimala R.; Sayed, Alim A.; Kelkar, Shriniwas L.; Wadia, Murzban S. Synthetic Communications, 1987 , vol. 17, # 16 p. 1951 - 1958

~%

3-[(2-oxochromen-3-yl)methyl]chromen-2-one结构式

3-[(2-oxochrome...

4139-69-9

详细
文献:Ahuja, Jaimala R.; Sayed, Alim A.; Kelkar, Shriniwas L.; Wadia, Murzban S. Synthetic Communications, 1987 , vol. 17, # 16 p. 1951 - 1958

~%

3-[(2-oxochromen-3-yl)methyl]chromen-2-one结构式

3-[(2-oxochrome...

4139-69-9

详细
文献:Ahuja, Jaimala R.; Sayed, Alim A.; Kelkar, Shriniwas L.; Wadia, Murzban S. Synthetic Communications, 1987 , vol. 17, # 16 p. 1951 - 1958

 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%