21472-25-3

• 常用中文名：5-Ethyl-2-nitro-1H-imidazole
• 常用英文名：5-Ethyl-2-nitro-1H-imidazole
• CAS号：21472-25-3
• 分子式：C₅H₇N₃O₂
• 分子量：141.12800
• 发布时间：2017-03-29 14:53:29
• 更新时间：2025-08-26 11:00:35

名称

• 英文名: 5-Ethyl-2-nitro-1H-imidazole
• 英文别名: Imidazole,5-ethyl-2-nitro-,mixed with 4-ethyl-2-nitroimidazole (1:1); Imidazole,4-ethyl-2-nitro-,mixed with 5-ethyl-2-nitroimidazole (1:1); Imidazole,4-ethyl-2-nitro; 5-Aethyl-2-nitroimidazol; 4-ethyl-2-nitro-1(3)H-imidazole

物化性质

• 密度: 1.335g/cm3
• 沸点: 351.7ºC at 760 mmHg
• 分子式: C₅H₇N₃O₂
• 分子量: 141.12800
• 闪点: 166.5ºC
• 精确质量: 141.05400
• PSA: 74.50000
• LogP: 1.40350
• 蒸汽压: 4.03E-05mmHg at 25°C
• 折射率: 1.574

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : NI6230000 CAS REGISTRY NUMBER : 21472-25-3 LAST UPDATED : 199107 WISWESSER LINE NOTATION : T5M CNJ BNW D2 &T5M CNJ BNW E2 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 212 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 12,775,1969

安全

• 海关编码: 2933290090

海关

海关编码	2933290090
中文概述	2933290090. 其他结构含非稠合咪唑环的化合物. 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	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%