5,5-Dimethyl-1,3-cyclohexanedione 5,5-二甲基-1,3-环己二酮
CAS 126-81-8 MFCD00001588
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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
- S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
- S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
- S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触;
- R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
- P305+P351+P338
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)