5272-54-8

• 常用中文名：2,5-Diphenyl-4-(1-piperidinylmethylene)-2H-pyrazol-3(4H)-one
• 常用英文名：2,5-Diphenyl-4-(1-piperidinylmethylene)-2H-pyrazol-3(4H)-one
• CAS号：5272-54-8
• 分子式：C₂₁H₂₁N₃O
• 分子量：331.41100
• 发布时间：2016-10-30 22:49:40
• 更新时间：2023-01-17 17:11:22

名称

• 英文名: (4Z)-2,5-diphenyl-4-(piperidin-1-ylmethylidene)pyrazol-3-one
• 英文别名: 2-Pyrazolin-5-one,1,3-diphenyl-4-(piperidinomethylene); 1,3-Diphenyl-4-(piperidinomethylene)-2-pyrazolin-5-one; 1,3-Diphenyl-4-(N-piperidinomethylene)-2-pyrazolin-5-one

物化性质

• 密度: 1.18g/cm3
• 沸点: 456.8ºC at 760 mmHg
• 分子式: C₂₁H₂₁N₃O
• 分子量: 331.41100
• 闪点: 230ºC
• 精确质量: 331.16800
• PSA: 35.91000
• LogP: 3.24580
• 折射率: 1.64

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : UQ9287000 CHEMICAL NAME : 2-Pyrazolin-5-one, 1,3-diphenyl-4-(piperidinomethylene)- CAS REGISTRY NUMBER : 5272-54-8 BEILSTEIN REFERENCE NO. : 0763590 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C21-H21-N3-O MOLECULAR WEIGHT : 331.45 WISWESSER LINE NOTATION : T6NTJ A1U- DT5NNVYJ BR& ER HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2400 mg/kg TOXIC EFFECTS : Behavioral - analgesia REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,1721,1969

安全

• 海关编码: 2933990090

海关

海关编码	2933990090
中文概述	2933990090. 其他仅含氮杂原子的杂环化合物. 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	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%