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桂腈 肉桂腈 1885-38-7【直销】 桂腈肉桂腈价格 厂家生产 南箭牌

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                                                                                                                                肉桂腈                                    香精香料 杀抑菌作用 MSDS 用途与合成方法 肉桂腈价格(试剂级) 上下游产品信息                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    中文名称:                                    肉桂腈                                    中文同义词:                                    (E)-3-苯基-2-丙烯腈;苯乙烯基腈;beta-苯基丙烯腈;肉桂腈;Β-苯基丙烯腈;反-肉桂腈;反-肉桂腈,97%;3-苯基丙烯腈                                    英文名称:                                    Cinnamonitrile                                    英文同义词:                                    (2E)-3-Phenyl-2-propenenitrile;(e)-2-propenenitril;(E)3-Phenylacrylonitrile;(E)-3-Phenylprop-2-enenitrile;(E)-3-Phenylpropenenitrile;(E)-Cinnamonitrile;3-phenyl-,(E)-2-Propenenitrile;3-trans-phenyl-acrylonitrile                                    CAS号:                                    1885-38-7                                    分子式:                                    C9H7N                                    分子量:                                    129.16                                    EINECS号:                                    217-552-5                                    相关类别:                                    Miscellaneous;Heterocyclic Compounds;杂环化合物;有机中间体;Aromatics;Inhibitors;香精香料中间体;中间体,香料;芳烃;Building Blocks;C8 to C9;Chemical Synthesis;Cyanides/Nitriles;Nitrogen Compounds;Organic Building Blocks;有机砌块;通用试剂;氰化物/腈;医药原料                                    Mol文件:                                    1885-38-7.mol                                                                                                                                                                                                肉桂腈 性质                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    熔点                                     18-20 °C(lit.)
                                        沸点                                     254-255 °C(lit.)
                                        密度                                     1.028 g/mL at 25 °C(lit.)
                                        折射率                                     n20/D 1.601(lit.)
                                        闪点                                     >230 °F
                                        水溶解性                                     insoluble                                    CAS 数据库                                    1885-38-7(CAS Database Reference)                                    NIST化学物质信息                                    2-Propenenitrile, 3-phenyl-, (E)-(1885-38-7)                                    EPA化学物质信息                                    2-Propenenitrile, 3-phenyl-, (2E)-(1885-38-7)                                                                                                                                                            肉桂腈 用途与合成方法                                                                                                                                                                                                                                                                                                                                                                                                            香精香料                                    肉桂腈又名苯乙烯基氰,是一种性能优良的人工合成香料,有强烈的肉桂样辛香香气,并有花香香韵,外观为无色或淡黄色粘稠液体,化学性质稳定,受光照、热或酸、碱的浸蚀等都不起变化。对人体无毒副作用,接触皮肤无刺激、无过敏反应,与肉桂醛相比较,肉桂腈具有更加强烈的透发性,香势强而持久,对皮肤的刺激性和毒性均比肉桂醛小,是肉桂油和肉桂醛的理想替代品,可用于日化香精配方中,主要用于皂用香精和洗涤剂香精配方中,用量在2%以内。IFRA没有限制规定。由于肉桂腈具有独特的化学结构,可进行付克、加成、还原、水解等反应,因此在医药、精细化工领域也广泛地得到使用。根据RIFM提供的资料,肉桂腈的急性毒性数据:口服LD504.15g/kg(大鼠),皮试LD50>5g/kg(兔子)。肉桂腈可由苯甲醛与乙腈在氢氧化钾溶液的存在下缩合而得;或由桂醛先转变成为醛肟,继之再经脱水而成。                                    杀抑菌作用                                    南京大学生物系和中国科学院水生生物研究所的老师们通过对自行分离鉴定的植病菌Altornaria tenuis Nees和Rhizopus nigricans,皮肤癖病菌Epidermophyton floccosum、Trichophytoa gypsoum、Trichophyton rubrum、Microsporum gypseum,以及22种霉菌(其中18种为常见粮食、水果等霉腐试菌,4种为人体浅部丝状菌)的抑菌作用测定,研究结果表明肉桂腈具有较高的杀抑菌作用,有抗生素的作用,但不属于抗生素,对霉菌抑制效果好,抑菌谱广,并具有驱虫作用。实验表明,细菌在生产繁殖过程中需要叶酸参与,肉桂腈结构与PABA相似,两者竞争与二氢叶酸合成酶结合,抑制后者的活性,妨碍二氢叶酸的合成,从而影响叶酸的合成,抑制细菌的成长繁殖;同时可以干扰一些细菌的合成,组织细胞分裂和所需酶的合成,抑制和影响细菌RNA的合成,降低其细胞膜的通透性从而影响细菌的正常代谢,造成死亡,使杀菌效果更彻底。更让人惊喜的是,肉桂腈并不会使人体产生依赖作用,他消灭菌种部落,但不会破会各菌群间的制约关系,从而不会产生耐药性。肉桂腈本身是一种香料,对人体无毒副作用,接触皮肤无刺激、无过敏反应。有关专家兴奋地表示,随着对肉桂腈在杀抑菌方面研究的不断深入,肉桂腈有望完全取代抗生素,成为抗生素的“终结者”。                                    化学性质                                     浅苍黄色透明液体,具强烈而温暖的辛香花香。                                    用途                                     肉桂腈是一种极其稳定的腈基香料,香气很象天然肉桂。                                    用途                                     用于合成药品、香料和电子化学品等                                    生产方法                                     桂醛与盐酸羟胺在吡啶存在下经加成-消除反应生成醛肟,再与甲苯共沸脱水即得肉桂腈。                "};

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