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Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl-

更新时间:2025-11-25 10:02:03

Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl-结构式
Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl-结构式
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常用名 Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl- 英文名 Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl-
CAS号 6970-00-9 分子量 280.44700
密度 0.937g/cm3 沸点 409.5ºC at 760 mmHg
分子式 C21H28 熔点 N/A
MSDS N/A 闪点 222.9ºC

 名称

英文名 1,2,4,5-tetramethyl-3-[(2,3,5,6-tetramethylphenyl)methyl]benzene
英文别名 更多

 物理化学性质

密度 0.937g/cm3
沸点 409.5ºC at 760 mmHg
分子式 C21H28
分子量 280.44700
闪点 222.9ºC
精确质量 280.21900
LogP 5.74460
折射率 1.542

 安全信息

海关编码 2902909090

 合成线路

~46%

Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl-结构式

Benzene,1,1'-me...

6970-00-9

文献:Sun, Hong-Bin; Hua, Ruimao; Yin, Yingwu Tetrahedron Letters, 2006 , vol. 47, # 14 p. 2291 - 2294

~%

Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl-结构式

Benzene,1,1'-me...

6970-00-9

文献:Welch; Smith Journal of the American Chemical Society, 1951 , vol. 73, p. 4391

~%

Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl-结构式

Benzene,1,1'-me...

6970-00-9

文献:Lapkin Zhurnal Obshchei Khimii, 1946 , vol. 16, p. 729,732,733 Chem. Zentralbl., 1947 , vol. 118, p. 1218

~%

Benzene,1,1'-methylenebis[2,3,5,6-tetramethyl-结构式

Benzene,1,1'-me...

6970-00-9

文献:Nyberg,K. Acta Chemica Scandinavica (1947-1973), 1970 , vol. 24, p. 1609 - 1617

 海关

海关编码 2902909090
中文概述 2902909090. 其他芳香烃. 增值税率:17.0%. 退税率:9.0%. 监管条件:无. 最惠国关税:2.0%. 普通关税:30.0%
申报要素 品名, 成分含量
Summary 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 英文别名

2,2',3,3',5,5',6,6'-Octamethyldiphenylmethan
didurylmethane
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