• 原料直供
• 试剂商城
• 直接询价

分类

• Aldehydes, Analytical Reagents, Analytical/Chromatography, Derivatization Reagents, Derivatization Reagents HPLC, HPLC Derivatization Reagents, by Application, UV-VIS
• {SNA} Aldehydes, Derivatization Reagents, Derivatization Reagents HPLC, HPLC Derivatization Reagents, by Application, UV-VIS, 分析/色谱, 分析试剂
• {uni_hamburg} no charge; carbocycle; alicycle; 6RingOnly; 6ring; ketone; 1fragment
• {SNA} Building Blocks, C7 to C8, Carbonyl Compounds, Chemical Synthesis, Ketones, Organic Building Blocks

产品应用

• Used in the synthesis of fused 3-methylfurans via furannulation.

相关文献及参考

• Beilstein:7,559
• Undergoes an example of an oxidative addition of 1,3-dicarbonyl compounds, mediated by CAN (Cerium(IV)­ ammonium nitrate, A12882), to give an alkene, e.g. with 2-methyl-2-pentene, the product is a fused dihydrofuran derivative: J. Chem. Soc., Perkin 1, 187 (1995):
• A comparative study has shown that CAN is superior to Mn(OAc)3 for this type of reaction: J. Chem. Soc., Perkin 1, 1487 (1996).
• Short: EINECS
• Short: III/5a
• Classical reagent for the identification and isolation of aldehydes: J. Org. Chem., 11, 95 (1946).
• For conditions leading to exclusive 2-monomethylation, see: Synth. Commun., 3, 347 (1973). For direct nitration at the 2-position, see review on ɑ-nitroketones: Synthesis, 261 (1980).

安全信息

GHS Symbol

TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCNSA6 National Academy of Sciences, National Research Council,
   Chemical-Biological Coordination Center, Review.  (Washington, DC)
   Volume(issue)/page/year: 5,28,1953

其他信息

• 方法一:由丙二酸二乙酯先与异丙烯丙酮，再与氢氧化钾反应制得。
• Sigma Aldrich:126-81-8(sigmaaldrich)
• 海关编码:29142900
• 检测方法:HPLC,NMR
• 5,5-Dimethyl-1,3-cyclohexanedione has been used in the synthesis of fused 3-methylfurans via furannulation.
• Alfa Aesar:5,5-二甲基-1,3-环已二酮,98% Dimedone, 98%(126-81-8)
• 白色至绿黄色针状或柱状结晶。溶于甲醇；乙醇；氯仿；苯；乙酸及50%醇水混合液。干燥结晶性质稳定，但其溶液甚至在遮光下也能分解氧化。该品溶液遇三氯化铁呈红色。 熔点：146-148 °C
• 下游产品:3,3-二甲基戊二酸
• 溶于甲醇；乙醇；氯仿；苯；乙酸及50%醇水混合液。干燥结晶性质稳定，但其溶液甚至在遮光下也能分解氧化。该品溶液遇三氯化铁呈红色。
• F:8-9
• Acros Organics:5,5-二甲基-1,3-环已二酮 5,5-Dimethyl-1,3-cyclohexanedione, 99%(126-81-8)
• TCI Shanghai:5,5-二甲基-1,3-环己二酮 Dimedone,>;99.0%(T)(126-81-8)
• 用途三:该品能与醛类形成不溶的缩合物，而酮类则没有这一特征，因此用来分离或检验醛类。该品还可用作呱啶的催化剂和色层分析试剂。
• 用途二:该品能与醛类形成不溶的缩合物，而酮类则没有这一特征，因此用来分离或检验醛类。该品还可用作呱啶的催化剂和色层分析试用剂。
• MSDS 信息:5,5-Dimethyl-1,3-cyclohexanedione(126-81-8).msds
• 5,5-二甲基-1,3-环己二酮价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 30065625 醛试剂 50g 96元 2011/08/23 K3849001 5，5-二甲基-1，3-环己二酮;醛试剂; 1,1-二甲基环己烷-3,5-二酮; 达米东; 5,5-二甲基二氢间苯二酚; 1,1-二甲基-3,5-环己二酮 10g 219元 2011/04/16 D0701 双甲酮 Dimedone 25G 405元
• MOL 文件:126-81-8.mol
• 存储注意事项:光敏感
• 上游原料:丙二酸 --> 二乙酯
• 用途一:用作测定醛的特种试剂及色谱分析试剂
• 图谱信息:5,5-二甲基-1,3-环己二酮(126-81-8)红外图谱(IR2) 5,5-二甲基-1,3-环己二酮(126-81-8)核磁图( 13 CNMR) 5,5-二甲基-1,3-环己二酮(126-81-8)红外图谱(IR1) 5,5-二甲基-1,3-环己二酮(126-81-8)质谱(MS)