74038-42-9

• 常用中文名：Ethylmercaptomethylphosphonic acid dibutyl ester
• 常用英文名：Ethylmercaptomethylphosphonic acid dibutyl ester
• CAS号：74038-42-9
• 分子式：C₁₁H₂₅O₃PS
• 分子量：268.35300
• 发布时间：2017-08-27 04:53:03
• 更新时间：2025-10-07 11:52:08

名称

• 英文名: 1-[butoxy(ethylsulfanylmethyl)phosphoryl]oxybutane
• 英文别名: Dibutyl ethylmercaptomethylphosphonate; Phosphonic acid,ethylthiomethyl-,dibutyl ester; ETHYLTHIOMETHYL-PHOSPHONIC ACID DIBUTYL ESTER; dibutyl[(ethylsulfanyl)methyl]phosphonate; Ethylmercaptomethylphosphonic acid dibutyl ester

物化性质

• 密度: 1.028g/cm3
• 沸点: 338.5ºC at 760 mmHg
• 分子式: C₁₁H₂₅O₃PS
• 分子量: 268.35300
• 闪点: 158.5ºC
• 精确质量: 268.12600
• PSA: 70.64000
• LogP: 4.52350
• 折射率: 1.459

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : SZ8535000 CHEMICAL NAME : Phosphonic acid, ethylthiomethyl-, dibutyl ester CAS REGISTRY NUMBER : 74038-42-9 LAST UPDATED : 198209 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C11-H25-O3-P-S MOLECULAR WEIGHT : 268.39 WISWESSER LINE NOTATION : 4OPO&O4&1S2 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 56 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04299