2,4,6-三甲酚结构式 常用名2,4,6-三甲酚英文名2,4,6-Trimethylphenol CAS号527-60-6分子量136.191 密度1.0±0.1 g/cm3沸点215.8±9.0 °C at 760 mmHg 分子式C9H12O熔点70-72 °C(lit.) MSDS中文版美版闪点96.7±8.4 °C 符号 GHS05, GHS09信号词Danger ...
2,3,6-三甲基苯酚又名3-羟基假枯烯,英文名称2,3,6-Trimethylphenol,简写为2,3,6-TMP,其分子式为C9H12O,分子量为136.20。2,3,6-三甲基苯酚天然存在于咖啡中,属天然等同香料,常温常压下表现为白色至淡黄色粉末,遇空气及光易发生氧化,具有酚类特殊气味。该物质的熔点为63-64℃,沸点为226℃,相对密度则为1.1...
trimethylphenol苯酚化反应甲基催化hydroxylation 收稿日期:2002-12-16.第一作者:**,女,1973年生,博士.联系人:**英.Tel:(0571)88273272;E-mail:songyingchen!hotmail.文章编号:0253-9837(2003)08-0635-04研究论文:635"638铁酸镁在2,3,6-三甲基苯酚羟基化反应中的催化性能朱虹,陈诵英(浙江大学催化研究所,浙江杭州...
2,4,5-Trimethylphenol: sc-275375 CAS号码: 496-78-6 分子量: 136.20 分子式: C9H12O 补充资料: This is classified as a Dangerous Good for transport and may be subject to additional shipping charges. 仅供科研使用。不可用于诊断或治疗。
Key words: copper catalyst; oxidation; 2,3,6-trimethylphenol; oxygen 1前言 维生素E具有抗氧化性[1],被应用于多种疾病的治疗中,也被添加在饲料中,提高动物的免疫力。2,3,5-三甲基-1,4-苯醌(TMQ)和2,3,5-三甲基-1,4-氢醌(TMHQ)是合成维生素E的重要中间体,可通过2,3,6-三甲基苯酚(TMP)...
The Fourier transform infrared (FTIR) and FT-Raman spectra of 2,4,6-trimethylphenolhave been recorded in the range 4000–400 and 3500–100 cm -1 , respectively. The complete vibrational assignment and analysis of the fundamental modes of the compound have been carried out using the observed FT...
关键词:2,3,5三甲基苯醌;催化氧化;工艺优化StudyofSynthesisfor2,3,5一trimethylbenzoquinonebyCatalyticOxidationthContinuouslyCHUZhen—hua.ZANGHeng—cang(SchoolofPharmacy,ShandongUniversity,ShandongJinan250012,China)Abstract:WithCuC12/MgCI2ascatalystsystem,2,3,6一trimethylphenolwasoxidizedbyoxygentoafford2,3,5...
Oxidation of 2,3,6-trimethylphenol (TMP) by O2 in the presence of heteropoly acids H3+nPMo12−nVnO40 (HPA-n) in AcOH H2O gives up to 86% 2,3,5-trimethyl-1,4-benzoquinone (TMBQ) at a 100% TMP conversion, 2,2′,3,3′,6,6′-hexamethyl-4,... A O.,Kholdeeva,and,... -...
2,3,5-氯化三苯四氮唑 (试剂级) 2,3,5-Triphenyltetrazolium chloride reagent-grade 298-96-4 C19H15N4Cl 2,3,5-三甲基苯酚 2,3,5-Trimethylphenol 697-82-5 C9H12O 2,3:4,6-双-O-异亚丙基-a-L-呋喃山梨糖 2,3:4,6-Di-O-isopropylidene-alpha-L-sorbofuranose 17682-70-1 C12H20O6 ...
研究结果表明副产物 IP 主要在反应初始阶段生成,Cl-通过促进中间产物 ClTMP 生成进而抑制副反应。反应温度为358.15 K,CuCl2使用量7.57%(mol),FeCl3使用量3.78%(mol),反应进行8 h,目的产物即2,3,5-三甲基-1,4-对苯醌(TMQ)收率为80.66%。%Oxidation of 2,3,6-trimethylphenol to 2...