21260-54-8

• 常用中文名：1,1-dibutyl-3-methylurea
• 常用英文名：1,1-dibutyl-3-methylurea
• CAS号：21260-54-8
• 分子式：C₁₀H₂₂N₂O
• 分子量：186.29400
• 发布时间：2016-09-11 14:57:02
• 更新时间：2025-09-28 10:52:47

名称

• 英文名: 1,1-dibutyl-3-methylurea
• 英文别名: N,N-dibutyl-N'-methyl urea; Urea,1,1-dibutyl-3-methyl

物化性质

• 密度: 0.9g/cm3
• 沸点: 321.3ºC at 760 mmHg
• 分子式: C₁₀H₂₂N₂O
• 分子量: 186.29400
• 闪点: 148.1ºC
• 精确质量: 186.17300
• PSA: 35.83000
• LogP: 2.43240
• 蒸汽压: 0.000301mmHg at 25°C
• 折射率: 1.451

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : YS8232000 CHEMICAL NAME : Urea, 1,1-dibutyl-3-methyl- CAS REGISTRY NUMBER : 21260-54-8 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H22-N2-O MOLECULAR WEIGHT : 186.34 WISWESSER LINE NOTATION : 4N4&VM1 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 260 mg/kg TOXIC EFFECTS : Behavioral - general anesthetic Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 54,188,1935

合成路线

22013-97-4 111-92-2 ~96% 74-93-1 21260-54-8

文献：Oxon Italia S.p.A. Patent: US6723875 B1, 2004 ; Location in patent: Page column 9 ;

22013-97-4 111-92-2 ~97% 21260-54-8

文献：OXON ITALIA S.p.A. Patent: EP1334965 A1, 2003 ;

111-92-2 624-83-9 ~98% 21260-54-8

文献：Snyder, John K.; Stock, Leon M. Journal of Organic Chemistry, 1980 , vol. 45, # 5 p. 886 - 891

111-92-2 ~% 21260-54-8

文献：Manidhar; K. Uma Maheswara Rao; C. Suresh Reddy; Ch. Syamasunder; Adeppa; Misra, Krishna Research on Chemical Intermediates, 2012 , vol. 38, # 9 p. 2479 - 2489

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