37744-21-1

• 常用中文名：2-Butene-1,4-diol, bis(5-fluoronicotinate)
• 常用英文名：2-Butene-1,4-diol, bis(5-fluoronicotinate)
• CAS号：37744-21-1
• 分子式：C₁₆H₁₂F₂N₂O₄
• 分子量：334.27400
• 发布时间：2016-01-05 02:41:08
• 更新时间：2024-02-05 12:04:35

名称

• 英文名: [(E)-4-(5-fluoropyridine-3-carbonyl)oxybut-2-enyl] 5-fluoropyridine-3-carboxylate
• 英文别名: 3-Pyridinecarboxylic acid,5-fluoro-,2-butene-1,4-diyl ester; 2-Butene-1,4-diyl 5-fluoro-3-pyridinecarboxylate

物化性质

• 密度: 1.349g/cm3
• 沸点: 482ºC at 760 mmHg
• 分子式: C₁₆H₁₂F₂N₂O₄
• 分子量: 334.27400
• 闪点: 245.3ºC
• 精确质量: 334.07700
• PSA: 78.38000
• LogP: 2.32480
• 折射率: 1.555

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : US5745400 CHEMICAL NAME : 3-Pyridinecarboxylic acid, 5-fluoro-, 2-butene-1,4-diyl ester CAS REGISTRY NUMBER : 37744-21-1 LAST UPDATED : 199204 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C16-H12-F2-N2-O4 MOLECULAR WEIGHT : 334.30 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 : 1 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : APSXAS Acta Pharmaceutica Suecica. (Apotekarsocieteten-Farmacevtiska Foereningen, Box 1136, S-111, 81 Stockholm, Sweden) V.1- 1964- Volume(issue)/page/year: 9,221,1972

安全

• 海关编码: 2933399090

海关

海关编码	2933399090
中文概述	2933399090. 其他结构含非稠合吡啶环的化合物. 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	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%