苯亚甲基丙酮采用减压蒸馏制得者为无色至浅黄色有光泽的片状结晶,带有香豌豆香气且具有辣而带刺激性的味道。见光易变深,可燃,长时间受热易分解。天然存在于水解大豆蛋白中。其折射率在45.9℃时为1.5836。微溶于水及石油醚,稍溶于苯,易溶于乙醇、苯、乙醚、氯仿和硫酸。与硫酸作用呈橙红色,这一特性可用于检测本品。
用途苄叉丙酮具有强烈的香豌豆型香气,在香料工业中用作合成香料的原料,用于调配香豌豆系列香精,并应用于橙花和风信子等香精的配制。在电镀工业中,它作为镀锌、镀镍的光亮剂,重点应用在汽车、自行车等轻工产品上,起防腐作用。此外,苄叉丙酮还具有一定的杀虫和驱虫功效,是重要的农药中间体。
应用我国GB2760—1996规定暂时允许苯亚甲基丙酮作为食用香料使用,用于调制香豌豆、可可、坚果、樱桃、水果等香型香精,并可用于花香型香精的变调剂及防挥发剂。因其对皮肤有刺激作用,一般不直接用于化妆品中。此外,苄叉丙酮还可以在染色工业用作媒染剂、固着剂和配制镀锌增光剂。
制备方法目前常用的制备方法是以苯甲醛和丙酮为原料,在碱性条件下进行缩合反应。具体步骤如下:将丙酮、苯甲醛与水混合,冷却后加入10%的氢氧化钠溶液,并控制反应温度在25~31℃之间,加完后继续搅拌1小时。随后加入稀盐酸中和至pH值为6~7,放置1小时后分离黄色油状物。水层用苯提取,合并油层液和萃取液,用水洗两次,回收苯后进行活性炭脱色、过滤,并减压蒸馏得成品。原料消耗定额:苯甲醛1700kg/t、丙酮2900kg/t、液碱(40%)500kg/t。
性质与用途4-苯基丁烯(3)酮-2是杀鼠剂杀鼠灵的中间体。作为一种芳香族有机物质,它在酸性镀锌工艺中应用广泛,能够在较宽的电流密度、温度范围内得到光亮镀层,并对镀层的内应力和防腐性能均有良好效果。此外,苯亚甲基丙酮还可作香料防挥发剂、染色工业中的媒染剂或固着剂,用于制取香料增香剂。
生产方法其制备方法包括将苯甲醛与丙酮在一定温度下缩合;或将它们投入反应釜中,并加入10%的氢氧化钠溶液进行滴加和搅拌。后续步骤包括酸化、油状物分离、萃取、水洗、蒸馏等,最终得到成品。该过程的关键在于控制反应条件以确保产品质量。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
肉桂醛 | 3-phenyl-propenal | 104-55-2 | C9H8O | 132.162 |
反式肉桂醛 | (E)-3-phenylpropenal | 14371-10-9 | C9H8O | 132.162 |
对羟基亚苄基丙酮 | 4-(4'-hydroxyphenyl)but-3-en-2-one | 3160-35-8 | C10H10O2 | 162.188 |
—— | 3-bromo-4-phenyl-but-3-en-2-one | 31207-17-7 | C10H9BrO | 225.085 |
肉桂酸 | (E)-3-phenylacrylic acid | 140-10-3 | C9H8O2 | 148.161 |
肉桂酸 | Cinnamic acid | 621-82-9 | C9H8O2 | 148.161 |
—— | (+/-)-2-amino-4-phenylbut-3-ene | 53309-95-8 | C10H13N | 147.22 |
4-苯基-3-丁烯-2-醇 | 4-phenylbut-3-en-2-ol | 17488-65-2 | C10H12O | 148.205 |
肉桂酰氯 | cinnamoyl chloride | 102-92-1 | C9H7ClO | 166.607 |
(肉)桂腈 | cinnamonitrile | 4360-47-8 | C9H7N | 129.161 |
肉桂酸甲酯 | methyl cinnamate | 103-26-4 | C10H10O2 | 162.188 |
—— | Methyl cinnamate | 103-26-4 | C10H10O2 | 162.188 |
4-苯丁基-3-烯-2-酮肟 | benzalacetone oxime | 2887-98-1 | C10H11NO | 161.203 |
—— | 1-phenyl-3-methoxybut-1-ene | 83320-37-0 | C11H14O | 162.232 |
—— | styrylethylene oxide | 50901-75-2 | C10H10O | 146.189 |
1,4-二苯基-1,3丁二烯 | 1,4-Diphenyl-1E,3E-butadiene | 538-81-8 | C16H14 | 206.287 |
肉桂酸乙酯 | ethyl 3-phenyl-2-propenoate | 103-36-6 | C11H12O2 | 176.215 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
苄叉丙酮 | (E)-benzalacetone | 1896-62-4 | C10H10O | 146.189 |
—— | (E)-1-phenylpenta-1,4-dien-3-one | 73291-51-7 | C11H10O | 158.2 |
—— | 1-phenyl-1,4-pentadien-3-one | 73291-51-7 | C11H10O | 158.2 |
二苄叉丙酮 | 1,5-diphenyl-1,4-pentadiene-3-one | 538-58-9 | C17H14O | 234.298 |
—— | 1,5-diphenyl-1,4-pentadien-3-one | 538-58-9 | C17H14O | 234.298 |
—— | Styrylglyoxal | 6784-05-0 | C10H8O2 | 160.172 |
—— | 1-amino-4-phenyl-but-3-en-2-one | 99059-88-8 | C10H11NO | 161.203 |
—— | (E)-1-bromo-4-phenylbut-3-en-2-one | —— | C10H9BrO | 225.085 |
1-氯-4-苯基丁-3-烯-2-酮 | Chloromethyl styryl ketone | 13605-67-9 | C10H9ClO | 180.634 |
—— | 1-phenyl-5-p-tolyl-penta-1,4-dien-3-one | 57083-29-1 | C18H16O | 248.324 |
—— | 1-phenylbut-1-ene | 824-90-8 | C10H12 | 132.205 |
—— | Styrylglyoxal hydrate | 1088990-94-6 | C10H10O3 | 178.188 |
—— | (E)-3-methyl-4-phenyl-3-buten-2-one | 42968-14-9 | C11H12O | 160.216 |
—— | cinnamoylacetonitrile | 6704-83-2 | C11H9NO | 171.199 |
—— | 1-Hydroximino-4-phenyl-3-buten-2-on | 41113-26-2 | C10H9NO2 | 175.187 |
—— | 1-(4-chlorophenyl)-5-phenyl-penta-1,4-dien-3-one | —— | C17H13ClO | 268.743 |
—— | (1E,4E)-1-(4-chlorophenyl)-5-phenypenta-1,4-dien-3-one | 68386-89-0 | C17H13ClO | 268.743 |
—— | (1E,4E)-1-(dimethylamino)-5-phenylpenta-1,4-dien-3-one | —— | C13H15NO | 201.268 |
—— | 1-dimethylamino-5-phenyl-1,4-pentadien-3-one | 75513-43-8 | C13H15NO | 201.268 |
—— | 1-(4-hydroxyphenyl)-5-phenyl-1,4-pentadienone | 15999-77-6 | C17H14O2 | 250.297 |
—— | 3-hydroxy-4-phenylbut-3-en-2-one | 6362-60-3 | C10H10O2 | 162.188 |
—— | α-Chlorbenzalaceton | 53973-14-1 | C10H9ClO | 180.634 |
—— | 1,7-diphenyl-hepta-1,4,6-trien-3-one | 16619-10-6 | C19H16O | 260.335 |
—— | 3-bromo-4-phenyl-but-3-en-2-one | 31207-17-7 | C10H9BrO | 225.085 |
—— | (Z)-3-bromo-4-phenyl-3-buten-2-one | 22965-96-4 | C10H9BrO | 225.085 |
肉桂酸 | (E)-3-phenylacrylic acid | 140-10-3 | C9H8O2 | 148.161 |
肉桂酸 | Cinnamic acid | 621-82-9 | C9H8O2 | 148.161 |
—— | 2-Methyl-4-phenyl-but-3-en-aldehyd | 25928-09-0 | C11H12O | 160.216 |
—— | 3-methyl-1-phenyl-buta-1,3-diene | 21919-51-7 | C11H12 | 144.216 |
—— | (E)-2-methyl-4-phenyl-1,3-butadiene | 68036-69-1 | C11H12 | 144.216 |
肉桂酰胺 | cinnamamide | 621-79-4 | C9H9NO | 147.177 |
—— | (+/-)-2-amino-4-phenylbut-3-ene | 53309-95-8 | C10H13N | 147.22 |
—— | (S)-E-4-phenylbut-3-en-2-amine | —— | C10H13N | 147.22 |
—— | 1-Dimethylamino-2-cinnamoyl-aethan | 3469-90-7 | C13H17NO | 203.284 |
—— | (S,E)-2-methyl-4-phenylbut-3-enenitrile | 913654-33-8 | C11H11N | 157.215 |
—— | (R)-4-phenyl-3-buten-2-ol | —— | C10H12O | 148.205 |
—— | (S)-4-phenyl-but-3-en-2-ol | 81176-43-4 | C10H12O | 148.205 |
4-苯基-3-丁烯-2-醇 | 4-phenylbut-3-en-2-ol | 17488-65-2 | C10H12O | 148.205 |
—— | (2R,3E)-4-phenyl-3-buten-2-ol | 62413-47-2 | C10H12O | 148.205 |
—— | (S)-(E)-4-phenyl-3-buten-2-ol | 81176-43-4 | C10H12O | 148.205 |
—— | ethyl (E)-1-phenylbut-1-en-3-ol | 36004-04-3 | C10H12O | 148.205 |
—— | 3-chloro-1-phenyl-1-butene | 63537-05-3 | C10H11Cl | 166.65 |
—— | 3-oxo-5-phenylpent-4-enoic acid | 4743-97-9 | C11H10O3 | 190.199 |
对甲氧苯乙烯基甲基酮 | 4-(p-methoxyphenyl)-3-butene-2-one | 943-88-4 | C11H12O2 | 176.215 |
1,1-二甲氧基-4-苯基丁-3-烯-2-酮 | 1,1-dimethoxy-4-phenyl-3-buten-2-one | 55980-64-8 | C12H14O3 | 206.241 |
—— | buta-1,3-dien-1-ylbenzene | 1515-78-2 | C10H10 | 130.189 |
肉桂醇 | 3-Phenylpropenol | 104-54-1 | C9H10O | 134.178 |
(肉)桂腈 | cinnamonitrile | 4360-47-8 | C9H7N | 129.161 |
—— | 5-diethylamino-1-phenyl-pent-1-en-3-one | 60709-11-7 | C15H21NO | 231.338 |
—— | 1-phenylbut-1-en-3-yne | 5622-76-4 | C10H8 | 128.174 |
—— | (E)-but-1-en-3-yn-1-ylbenzene | —— | C10H8 | 128.174 |
肉桂酸甲酯 | methyl cinnamate | 103-26-4 | C10H10O2 | 162.188 |
4-苯丁基-3-烯-2-酮肟 | benzalacetone oxime | 2887-98-1 | C10H11NO | 161.203 |
—— | [((E)-4-phenylbut-3-en-2-ylidene)amino]hydroxide | 61210-87-5 | C10H11NO | 161.203 |
—— | (E)-benzalacetone oxime | 1721-83-1 | C10H11NO | 161.203 |
—— | phenyl-1 methyl-3 pentadiene | 57007-36-0 | C12H14 | 158.243 |
—— | 2-methyl-4-phenylbut-3-en-2-ol | —— | C11H14O | 162.232 |
—— | 1-(4-methoxyphenyl)-5-phenylpenta-1,4-dien-3-one | 4842-69-7 | C18H16O2 | 264.324 |
—— | 1-phenyl-3-methoxybut-1-ene | 83320-37-0 | C11H14O | 162.232 |
—— | 4-phenyl-but-3-enoic acid methyl ester | 24891-74-5 | C11H12O2 | 176.215 |
—— | 1-(4-Dimethylamino-phenyl)-5-phenyl-penta-1,4-dien-3-on | 6597-42-8 | C19H19NO | 277.366 |
—— | 1-(2-hydroxyphenyl)-5-phenyl-1,4-pentadiene-3-one | 4942-09-0 | C17H14O2 | 250.297 |
—— | 3-methyl-1,6-diphenyl-hexa-1,3,5-triene | 53678-07-2 | C19H18 | 246.352 |
4,4-二苯基丁-3-烯-2-酮 | 1,1-diphenyl-1 buten-3-one | 837-66-1 | C16H14O | 222.287 |
—— | N-methoxy-4-phenylbut-3-en-2-imine | 37939-79-0 | C11H13NO | 175.23 |
—— | (E)-1,7-diphenylhept-1-en-3-one | —— | C19H20O | 264.367 |
—— | (2E,4E)-3-methyl-5-phenyl-2,4-pentadien-1-ol | 71687-03-1 | C12H14O | 174.243 |
—— | 4-(p-nitrophenyl)-3-butene-2-one | —— | C10H9NO3 | 191.186 |
—— | 1-phenyl-3-hydroxy-3-methyl-1,4-pentadiene | 5208-94-6 | C12H14O | 174.243 |
—— | Benzyliden-cetazin | 17537-36-9 | C20H20N2 | 288.392 |