4-[(2,4-二甲基苯基)偶氮]-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮
4 - [ ( 2 , 4 - èr jiǎ jī běn jī ) ǒu dàn ] - 2 , 4 - èr qīng - 5 - jiǎ jī - 2 - běn jī - 3 H - pǐ zuò - 3 - tóng
更新时间:2024-04-23 08:11:29
- 常用名4-[(2,4-二甲基苯基)偶氮]-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮英文名4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
- CAS号6407-78-9分子量306.36200
- 密度1.19沸点497.8ºC at 760 mmHg
- 分子式C18H18N4O熔点N/A
- MSDS闪点254.8ºC
- 符号信号词
4-[(2,4-二甲基苯基)偶氮]-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮 名称
- 中文名溶剂黄18
- 英文名4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
- 中文别名4-[(2,4-二甲基苯基)偶氮]-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮 |溶剂黄18 |
- 英文别名2-Phenyl-4-(2,4-dimethylphenylazo)-5-methyl-2H-pyrazole-3(4H)-one |solvent yellow 18 |C.I.Food Yellow 12 |4-(2',4'-Dimethylphenylazo)-3-methyl-1-phenylpyrazolin-5-on |Sudangelb G |5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(2,4-dimethyl-phenyl)-hydrazone] |
4-[(2,4-二甲基苯基)偶氮]-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮 物理化学性质
- 密度1.19
- 沸点497.8ºC at 760 mmHg
- 分子式C18H18N4O
- 分子量306.36200
- 闪点254.8ºC
- 精确质量306.14800
- PSA57.39000
- LogP3.67900
- 折射率1.63
4-[(2,4-二甲基苯基)偶氮]-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮 安全
- 海关编码2933199090
4-[(2,4-二甲基苯基)偶氮]-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮 合成路线
共页
4-[(2,4-二甲基苯基)偶氮]-2,4-二氢-5-甲基-2-苯基-3H-吡唑-3-酮 海关
- 海关编码2933199090
- 中文概述2933199090. 其他结构上有非稠合吡唑环化合物. 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, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
- Summary2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%