30709-68-3

• 常用中文名：2-乙基5-噻唑羧酸
• 常用英文名：2-Ethyl-1,3-thiazole-5-carboxylic acid
• CAS号：30709-68-3
• 分子式：C₆H₇NO₂S
• 分子量：157.19000
• 发布时间：2018-08-13 18:19:28
• 更新时间：2025-08-25 16:35:26

名称

• 中文名: 2-乙基5-噻唑羧酸
• 英文名: 2-Ethyl-1,3-thiazole-5-carboxylic acid
• 英文别名: 2-ethyl-5-carboxythiazole; 2-Aethyl-thiazol-5-carbonsaeure; 5-Thiazolecarboxylic acid,2-ethyl; 2-ethyl-thiazole-5-carboxylic acid; 2-Ethyl-5-thiazolecarboxylic acid; 2-Ethyl-5-thiazolcarbonsaeure

物化性质

• 密度: 1.337g/cm3
• 沸点: 305.1ºC at 760 mmHg
• 分子式: C₆H₇NO₂S
• 分子量: 157.19000
• 闪点: 138.3ºC
• 精确质量: 157.02000
• PSA: 78.43000
• LogP: 1.40370
• 折射率: 1.581

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : XJ3675462 CHEMICAL NAME : 5-Thiazolecarboxylic acid, 2-ethyl- CAS REGISTRY NUMBER : 30709-68-3 LAST UPDATED : 199806 DATA ITEMS CITED : 2 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 : >2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4045567 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 525 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4045567

安全

• 海关编码: 2934100090

合成路线

631-58-3 33142-21-1 ~% 30709-68-3

文献：Roussel Uclaf Patent: US4045567 A1, 1977 ;

海关

海关编码	2934100090
中文概述	2934100090. 结构上含有一个非稠合噻唑环的化合物(不论是否氢化). 增值税率:17.0%. 退税率:9.0%. 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
Summary	2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%