62012-51-5

• 常用中文名：4,4,5,5-四甲氧基-2,2-二甲基-1,1-联苯
• 常用英文名：4,4',5,5'-tetramethoxy-2,2'-dimethyl-1,1'-biphenyl
• CAS号：62012-51-5
• 分子式：C₁₈H₂₂O₄
• 分子量：302.36500
• 发布时间：2018-12-28 09:47:37
• 更新时间：2025-08-25 20:36:27

名称

• 中文名: 4,4,5,5-四甲氧基-2,2-二甲基-1,1-联苯
• 英文名: 1-(4,5-dimethoxy-2-methylphenyl)-4,5-dimethoxy-2-methylbenzene
• 英文别名: EINECS 263-374-6; 4,4',5,5'-tetramethoxy-2,2'-dimethylbiphenyl; 4,4',5,5'-Tetramethoxy-2,2'-dimethyl-1,1'-biphenyl; 2-methyl-4,5-dimethoxy-1-(2-methyl-4,5-dimethoxyphenyl)benzene; 3,3'4,4'-tetramethoxy-6,6'-dimethylbiphenyl; 2,2'-dimethyl-4,5,4',5'-tetramethoxybiphenyl; 2,2'-dimethyl-4,4',5,5'-tetramethoxydiphenyl; 2,2'-Dimethyl-4.4',5,5'-tetramethoxybiphenyl

物化性质

• 密度: 1.067g/cm3
• 沸点: 381.5ºC at 760 mmHg
• 分子式: C₁₈H₂₂O₄
• 分子量: 302.36500
• 闪点: 107.8ºC
• 精确质量: 302.15200
• PSA: 36.92000
• LogP: 4.00480
• 折射率: 1.527

安全

• 海关编码: 2909309090

合成路线

494-99-5 ~10% 62012-51-5

文献：Zhai, Linyi; Shukla, Ruchi; Wadumethrige, Shriya H.; Rathore, Rajendra Journal of Organic Chemistry, 2010 , vol. 75, # 14 p. 4748 - 4760

494-99-5 100-66-3 ~% 62012-51-5

文献：Ronlan, Alvin; Aalstad, Bjoerg; Parker, Vernon D. Acta Chemica Scandinavica, Series B: Organic Chemistry and Biochemistry, 1982 , vol. 36, # 5 p. 317 - 326

186581-53-3 17647-01-7 ~61% 62012-51-5

文献：Quick, James; Ramachandra, Ramavana Tetrahedron, 1980 , vol. 36, p. 1301 - 1306

116131-35-2 ~% 62012-51-5

文献：Cromartie et al. Journal of the Chemical Society, 1958 , p. 1982,1984

102015-70-3 ~% 62012-51-5

文献：Matarasso-Tchiroukhine Annales de Chimie (Cachan, France), 1958 , vol. <13> 3, p. 405,425

91-16-7 ~% 62012-51-5

文献：Matarasso-Tchiroukhine Annales de Chimie (Cachan, France), 1958 , vol. <13> 3, p. 405,425

2859-78-1 ~% 62012-51-5

文献：Matarasso-Tchiroukhine Annales de Chimie (Cachan, France), 1958 , vol. <13> 3, p. 405,425

2026-27-9 ~% 62012-51-5

文献：Matarasso-Tchiroukhine Annales de Chimie (Cachan, France), 1958 , vol. <13> 3, p. 405,425

海关

海关编码	2909309090
中文概述	2909309090 其他芳香醚及其卤化衍生物、磺化、硝化衍生物（包括亚硝化衍生物）。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:5.5%。普通关税:30.0%
申报要素	品名, 成分含量, 用途
Summary	2909309090 other aromatic ethers and their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%