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乙偶姻

产品编号 A109411 | CAS号 513-86-0 | 阿拉丁
Acetoin
分析标准品,单聚体
组合的产品项目
货号 规格 库存 价格 数量
A109411-1g 分析标准品,单聚体 上海(>10)
北方(预计3-5个工作日)
 
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属性

折光率 1.417
密度 1.0000
熔点 15°C
沸点 148°C
存贮条件 储存温度2-8°C

描述

产品介绍 易挥发。与水混溶,可混溶于乙醇,微溶于醚、石油醚。
别名 乙偶姻 ;甲基乙酰甲醇, 3-羟基-2-丁酮,乙酰基甲基原醇 ;3-Hydroxy-2-butanone Acetylmethylcarbinol
应用 用于制作香精和香料。
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标识符号 GHS02 GHS02, GHS07 GHS07
信号词 Warning
风险声明 (欧洲) R10;R36/38
安全声明(欧洲) S26;S36
警示性声明 P305+P351+P338
危害码(欧洲) Xi
危害声明 H226,H315,H319
个人防护设备 dust mask type N95 (US),Eyeshields,Gloves
RTECS EL8790000
WGK德国 1
Merck Index 64
闪点(摄氏) 47 °C
是否危化品 一般危险品
UN代码 2621
参考文献
Adler R Dillman, Manon L Guillermin, Joon Ha Lee, Brian Kim, Paul W Sternberg, Elissa A Hallem
Many parasitic nematodes actively seek out hosts in which to complete their lifecycles. Olfaction is thought to play an important role in the host-seeking process, with parasites following a chemical ...Read More
Alistair Paterson, Angzzas Kassim, Susan McCallum, Mary Woodhead, Kay Smith, Dzeti Zait, Julie Graham
Raspberry volatiles are important for perceptions of sensory quality, mould resistance and some have nutraceutical activities. Twelve raspberry character volatiles were quantified, 11 of them in fruit...Read More
Zuobing Z Xiao, Shuiping S Dai, Yunwei Y Niu, Haiyan H Yu, Jiancai J Zhu, Huaixiang H Tian, Yongbo Y Gu
Headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography mass spectrometry (GC-MS) was applied for the determination of the characteristic volatile profiles of Chinese vinegars....Read More
Sung-Geun Jung, Jun-Ho Jang, Ah-Young Kim, Min-Cheol Lim, Borim Kim, Jinwon Lee, Young-Rok Kim
Klebsiella species are the most extensively studied among a number of 2,3-butanediol (2,3-BDO)-producing microorganisms. The ability to metabolize a wide variety of substrates together with the ease o...Read More
Meng M Wang, Jing J Fu, Xueyu X Zhang, Tao T Chen
Acetoin is widely used in food and other industries. A bdhA and acoA double-knockout strain of Bacillus subtilis produced acetoin at 0.72 mol/mol, a 16.4 % increased compared to the wild type. Subsequ...Read More
Yanjie Zhang, Shubo Li, Liming Liu, Jing Wu
A new strain, FMME044, exhibited a remarkable ability to synthesize acetoin and was identified as Bacillus amyloliquefaciens. The following characteristics of enzyme activity were found: 2,3-butanedio...Read More
V V Walker, G A GA Mills
Using analytical procedures that are widely used by laboratories investigating metabolic disorders, we investigated urinary organic acid excretion by premature neonates who were receiving the usual cl...Read More
James L Smith, Yanhong Liu, George C Paoli
Listeria monocytogenes, a major foodborne pathogen, possesses a number of mechanisms that enable it to combat the challenges posed by acidic environments, such as that of acidic foods and the gastroin...Read More
Jian-An Sun, Liao-Yuan Zhang, Ben Rao, Ya-Ling Shen, Dong-Zhi Wei
Cofactor engineering was employed to enhance production of acetoin by Serratia marcescens H32. 2,3-Butanediol was a major byproduct of acetoin fermentation by S. marcescens H32. In order to decrease 2...Read More
Ranjita R Biswas, Masaru M Yamaoka, Hideki H Nakayama, Takashi T Kondo, Ken-ichi K Yoshida, Virendra S VS Bisaria, Akihiko A Kondo
Production of 2,3-butanediol by Bacillus subtilis takes place in late-log or stationary phase, depending on the expression of bdhA gene encoding acetoin reductase, which converts acetoin to 2,3-butane...Read More
Zhen Z Liu, Jiayang J Qin, Chao C Gao, Dongliang D Hua, Cuiqing C Ma, Lixiang L Li, Yu Y Wang, Ping P Xu
Production of highly pure (2S,3S)-2,3-butanediol ((2S,3S)-2,3-BD) and (3S)-acetoin ((3S)-AC) in high concentrations is desirable but difficult to achieve. In the present study, glucose was first trans...Read More
Maria del Pilar Marquez-Villavicencio, Brooke Weber, R Andrews Witherell, David K Willis, Amy O Charkowski
Pectobacterium species are necrotrophic bacterial pathogens that cause soft rot diseases in potatoes and several other crops worldwide. Gene expression data identified Pectobacterium carotovorum subsp...Read More
E S ES Holm, A A Sch?fer, T T Skov, A G AG Koch, M A MA Petersen
The aroma composition, the microbial composition and the sensory profile were measured in sliced saveloy samples packed in modified atmosphere (MA). The main objective was to identify aroma compounds ...Read More
David Johnston-Monje, Manish N Raizada
Endophytes are non-pathogenic microbes living inside plants. We asked whether endophytic species were conserved in the agriculturally important plant genus Zea as it became domesticated from its wild ...Read More
Matthew J Stasiewicz, Martin Wiedmann, Teresa M Bergholz
The organic acids lactate and diacetate are commonly used in combination in ready-to-eat foods because they show synergistic ability to inhibit the growth of Listeria monocytogenes. Full-genome microa...Read More
Wei Xu, Qingping Xu, Jinghua Chen, Zhenming Lu, Rong Xia, Guoquan Li, Zhenghong Xu, Yanhe Ma
Zhenjiang aromatic vinegar is one of the most well-known traditional fermented vinegars in China. Previously, a alkylpyrazine named ligustrazine was found as a bioactive compound in Zhenjiang aromatic...Read More
Pieter Moons, Rob Van Houdt, Bram Vivijs, Chris W Michiels, Chris M Michiels, Abram Aertsen
During fermentation of sugars, a number of bacterial species are able to switch from mixed acid production to acetoin and 2,3-butanediol production in order to avoid lethal acidification of their envi...Read More
S Ghimenti, S Tabucchi, T Lomonaco, F Di Francesco, R Fuoco, M Onor, S Lenzi, M G Trivella
The evolution of breath composition during oral glucose tolerance tests (OGTTs) was analysed by thermal desorption/gas chromatography/mass spectrometry in 16 subjects and correlated to blood glucose l...Read More
Delphine Passerini, Valérie Laroute, Michèle Coddeville, Pascal Le Bourgeois, Pascal Loubière, Paul Ritzenthaler, Muriel Cocaign-Bousquet, Marie-Line Daveran-Mingot
Lactococcus lactis subsp. lactis biovar diacetylactis strains are used in the dairy industry for generating acetoin and notably diacetyl which imparts a high level of buttery flavor notes. A collectio...Read More
Soojin S Lee, Borim B Kim, Kyungmoon K Park, Youngsoon Y Um, Jinwon J Lee
meso-2,3-Butanediol (meso-2,3-BDO) is essential for the synthesis of various economically valuable biosynthetic products; however, the production of meso-2,3-BDO from expensive carbon sources is an ob...Read More
Wouter Kuit, Nigel P Minton, Ana M López-Contreras, Gerrit Eggink
In microorganisms, the enzyme acetate kinase (AK) catalyses the formation of ATP from ADP by de-phosphorylation of acetyl phosphate into acetic acid. A mutant strain of Clostridium acetobutylicum lack...Read More
Christopher T Brown, Laura K Fishwick, Binna M Chokshi, Marissa A Cuff, Jay M Jackson, Travis Oglesby, Alison T Rioux, Enrique Rodriguez, Gregory S Stupp, Austin H Trupp, James S Woollcombe-Clarke, Tracy N Wright, William J Zaragoza, Jennifer C Drew, Eric
Little is known about how genetic variation at the nucleotide level contributes to competitive fitness within species. During a 6,000-generation study of Bacillus subtilis evolved under relaxed select...Read More
V Walker, G A Mills, M A Hall, J A Lowes
To study organic acid excretion, urine was collected from 52 preterm infants at weekly intervals and analysed by capillary gas chromatography-mass spectrometry. Twelve of 22 babies born before 33 week...Read More
E Y EY Hirooka, E E EE Müller, J C JC Freitas, E E Vicente, Y Y Yoshimoto, M S MS Bergdoll
Seventy-three staphylococcal strains isolated from pyrodermatitis in dogs were classified as Staphylococcus intermedius (52 strains) or Staphylococcus aureus (21 strains) on the basis of acetoin forma...Read More
M Otsuka, S Ohmori
Acetoin was quantitatively oxidized into diacetyl by Fe3+ in 1 M perchloric acid. The reaction of diacetyl with 4,5-dichloro-1,2-diaminobenzene afforded 6,7-dichloro-2,3-dimethylquinoxaline (DCDMQ), w...Read More

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