20825-98-3

• 常用中文名：5-氯烟酸乙酯
• 常用英文名：ETHYL 3-CHLORO-5-PYRIDINECARBOXYLATE
• CAS号：20825-98-3
• 分子式：C₈H₈ClNO₂
• 分子量：185.60800
• 发布时间：2018-07-05 23:06:30
• 更新时间：2026-08-05 20:42:40

名称

• 中文名: 5-氯烟酸乙酯
• 英文名: Ethyl 5-chloronicotinate
• 英文别名: 5-chloro-3-Pyridinecboxylic acid ethyl ester (9CI ACI); 5-chloro-nicotinic acid ethyl ester; 3-Pyridinecboxylic acid, 5-chloro-, ethyl ester; ethyl 5-chloropyridine-3-carboxylate; ethyl 5-chloropyridine-3-cboxylate; Benzoicacid,3-bromo-7-methoxy-,hydrazide; Ethyl 3-chloro-5pyridine cboxylate; 5-Chloropyridine-3-cboxylic acid ethyl ester; 5-Chloro-pyridin-3-cboxylic acid ethyl ester; 3-Pyridinecboxylic acid, 5-chloro-, ethyl ester (9CI, ACI); Ethyl 5-chloropyridin-3-cboxylate

物化性质

• 密度: 1.245g/cm3
• 沸点: 247.9ºC at 760 mmHg
• 分子式: C₈H₈ClNO₂
• 分子量: 185.60800
• 闪点: 103.7ºC
• 精确质量: 185.02400
• PSA: 39.19000
• LogP: 1.91170
• 蒸汽压: 0.025mmHg at 25°C
• 折射率: 1.524
• 储存条件: 室温

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : US5641300 CHEMICAL NAME : 3-Pyridinecarboxylic acid, 5-chloro-, ethyl ester CAS REGISTRY NUMBER : 20825-98-3 BEILSTEIN REFERENCE NO. : 0473371 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H8-Cl-N-O2 MOLECULAR WEIGHT : 185.62 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

合成路线

150145-19-0 64-17-5 201230-82-2 ~% 20825-98-3

文献：WO2004/63197 A1, ; Page 252-253 ;

64-17-5 201230-82-2 2457-47-8 ~35% 20825-98-3

文献：Head, Robert A.; Ibbotson, Arthur Tetrahedron Letters, 1984 , vol. 25, # 51 p. 5939 - 5942

上下游产品

上游产品  4
150145-19-0 64-17-5 201230-82-2 2457-47-8
下游产品  4
59288-38-9 113118-82-4 22620-27-5 117830-18-9

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%