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2,4-dihydro-3-methyl-2-phenethyl-3H-pyrazol-3-one

更新时间:2025-09-19 16:27:02

2,4-dihydro-3-methyl-2-phenethyl-3H-pyrazol-3-one结构式
2,4-dihydro-3-methyl-2-phenethyl-3H-pyrazol-3-one结构式
委托求购
常用名 2,4-dihydro-3-methyl-2-phenethyl-3H-pyrazol-3-one 英文名 2,4-dihydro-3-methyl-2-phenethyl-3H-pyrazol-3-one
CAS号 131-65-7 分子量 203.26000
密度 1.12g/cm3 沸点 358.4ºC at 760mmHg
分子式 C12H15N2O 熔点 N/A
MSDS N/A 闪点 170.5ºC

 名称

英文名 2-(2-ethylphenyl)-5-methyl-4H-pyrazol-3-one
英文别名 更多

 物理化学性质

密度 1.12g/cm3
沸点 358.4ºC at 760mmHg
分子式 C12H15N2O
分子量 203.26000
闪点 170.5ºC
精确质量 203.11800
PSA 32.67000
LogP 1.33380
蒸汽压 2.56E-05mmHg at 25°C
折射率 1.584
计算化学

1.疏水参数计算参考值(XlogP):2.1

2.氢键供体数量:0

3.氢键受体数量:2

4.可旋转化学键数量:2

5.互变异构体数量:3

6.拓扑分子极性表面积32.7

7.重原子数量:15

8.表面电荷:0

9.复杂度:285

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

 安全信息

海关编码 2933199090

 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
Summary 2933199090. 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%

 英文别名

EINECS 205-034-1
1-(o-Ethylphenyl)-3-methyl-2-pyrazolin-5-one
1-(2-Ethylphenyl)-3-methyl-2-pyrazolin-5-on
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