18957-54-5

• 常用中文名：USAF K-1861
• 常用英文名：USAF K-1861
• CAS号：18957-54-5
• 分子式：C₁₃H₂₂N₂S
• 分子量：238.39200
• 发布时间：2017-11-12 18:56:16
• 更新时间：2025-09-05 18:19:03

名称

• 英文名: 3-cyclohexyl-4,6,6-trimethyl-1H-pyrimidine-2-thione
• 英文别名: 1-(Cyclohexyl)-2-thio-4,4,6-trimethyldihydropyrimidine; 1-cyclohexyl-4,4,6-trimethyl-3,4-dihydro-1H-pyrimidine-2-thione; USAF K-1861; 2(1H)-Pyrimidinethione,1-cyclohexyl-3,4-dihydro-4,4,6-trimethyl; 1-Cyclohexyl-4,4,6-trimethyl-3,4-dihydro-1H-pyrimidin-2-thion

物化性质

• 密度: 1.08g/cm3
• 沸点: 315.8ºC at 760 mmHg
• 分子式: C₁₃H₂₂N₂S
• 分子量: 238.39200
• 闪点: 144.8ºC
• 精确质量: 238.15000
• PSA: 54.40000
• LogP: 2.97640
• 蒸汽压: 0.000426mmHg at 25°C
• 折射率: 1.574

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : UW1575000 CHEMICAL NAME : 2(1H)-Pyrimidinethione, 1-cyclohexyl-3,4-dihydro-4,4,6-trimethyl- CAS REGISTRY NUMBER : 18957-54-5 BEILSTEIN REFERENCE NO. : 0171639 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C13-H22-N2-S MOLECULAR WEIGHT : 238.43 WISWESSER LINE NOTATION : T6MYN FHJ BUS C- AL6TJ& D1 F1 F1 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 : 100 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

安全

• 海关编码: 2933599090

合成路线

108-91-8 27248-25-5 ~% 18957-54-5 5055-72-1

文献：Mathes et al. Journal of the American Chemical Society, 1948 , vol. 70, p. 1452 Full Text View citing articles Show Details Goodrich Co. Patent: US2491532 , 1946 ;

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海关

海关编码	2933599090
中文概述	2933599090. 其他结构上有嘧啶环的化合物(包括其他结构上有哌嗪环的化合物. 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	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%