10-十一烯酸,又称十一碳烯酸 (Shiyixisuan Undecylenic Acid),是一种淡黄色至黄色的液体,在低温下会变成乳白色结晶性团块。它具有特殊的气味,并且能与乙醇、三氯甲烷、乙醚和脂肪油或挥发油任意混溶,但在水中几乎不溶。
应用10-十一烯酸用于治疗皮肤粘膜真菌感染,如头癣、股癣、足癣等,以及真菌性阴道炎。对于脚癣的疗效尤为显著。此外,它还可以用于生产10-十一烯酸锌,合成γ-十一内酯香料,并制成尼龙等产品。
制备工艺大多数10-十一烯酸是通过粗品精制获得,这些粗品含有较多的醛、烃、醇和酯类等易挥发性成分及高沸点脂肪酸和聚合物化合物。由于其分子中含有双键,对热较为敏感,在长时间受热时容易发生聚合或氧化分解。传统蒸馏方法分离提纯常常需要长时间加热,这会破坏10-十一烯酸的结构,从而降低收率并产生新的杂质。
制备过程将从蓖麻油为原料经醇交换、热裂解、加成和皂化酸化处理得到的粗品直接投入到分子蒸馏装置进料罐中。通过泵M1输入到第一级薄膜蒸馏器进行脱水和脱气,操作条件控制在真空度-0.085~-0.090MPa、温度60~70℃,进料速度为15~20kg/h。
接下来,将经过脱水和脱气的粗品通过泵M2直接输入到第二级分子蒸馏器中,在真空度100Pa~-0.1MPa、温度50~60℃下除去低沸点醛、醇、烃和中性脂肪类杂质。最后,通过泵M4将经过低沸点杂质去除后的粗品直接输入到第三级分子蒸馏器中,在真空度100Pa~-0.1MPa、温度80~85℃下得到无色或微黄色的高纯度10-十一烯酸精品。
毒性GRAS (FEMA) 适用。
使用限量FEMA:软饮料、冷饮、糖果、焙烤制品,均不超过0.50mg/kg。
食品添加剂最大允许使用量及最大允许残留量标准10-十一烯酸为带有光泽的无色液体,具有水果的特殊香味。熔点24.5℃,沸点275℃(100kPa),165℃(2.0kPa),137℃(0.267kPa)。它是一种重要的合成香料原料,如γ-十一内酯、聚环十五内酯、麝香酮、壬醛和壬醇等。同时,它也是一种抗霉菌药,用于治疗皮肤霉菌病(如配制脚气灵等)。
用途10-十一烯酸用于生产香料及杀菌剂。 2. 合成γ-十一内酯等香料。 3. 制备方法包括:蓖麻油直接裂解法和蓖麻油酸甲酯法。原料消耗定额为:蓖麻油(药用)4700kg/t、甲醇(工业品)1410kg/t、硫酸(工业品)658kg/t、烧碱(95%)40kg/t、亚硫酸氢钠(95%)940kg/t。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
9-癸烯酸 | dec-9-enoic acid | 14436-32-9 | C10H18O2 | 170.252 |
12-羟基十二酸 | 12-hydroxydodecanoic acid | 505-95-3 | C12H24O3 | 216.321 |
十二烷二酸 | 1,12-Dodecanedioic acid | 693-23-2 | C12H22O4 | 230.304 |
十一烷酸 | undecylenic acid | 112-37-8 | C11H22O2 | 186.294 |
10-烯酸甲酯 | Methyl 10-undecenoate | 111-81-9 | C12H22O2 | 198.305 |
9-Dec烯酸甲酯 | 9-decenoic acid methyl ester | 25601-41-6 | C11H20O2 | 184.279 |
10-十一碳炔酸 | undec-10-ynoic acid | 2777-65-3 | C11H18O2 | 182.263 |
11-溴十一酸 | 11-bromoundecane acid | 2834-05-1 | C11H21BrO2 | 265.191 |
10-十一烯-1-醇 | 10-Undecen-1-ol | 112-43-6 | C11H22O | 170.295 |
10-十一烯醛 | 10-Undecenal | 112-45-8 | C11H20O | 168.279 |
蓖麻油酸 | Ricinoleic acid | 141-22-0 | C18H34O3 | 298.466 |
—— | 10-bromoundecanoic acid | 18294-93-4 | C11H21BrO2 | 265.191 |
10-十一碳烯酸烯丙酯 | allyl 10-undec-10-enoate | 7493-76-7 | C14H24O2 | 224.343 |
—— | 10,11-dibromo-undecanoic acid | 6308-96-9 | C11H20Br2O2 | 344.087 |
10-十一烯酸叔丁酯 | tert-butyl undec-10-enoate | 93757-41-6 | C15H28O2 | 240.386 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
9-癸烯酸 | dec-9-enoic acid | 14436-32-9 | C10H18O2 | 170.252 |
8-壬烯酸 | non-8-enoic acid | 31642-67-8 | C9H16O2 | 156.225 |
14-十五烷酸 | pentadec-14-enoic acid | 17351-34-7 | C15H28O2 | 240.386 |
十八碳-17-烯酸 | octadec-17-enoic acid | 19307-16-5 | C18H34O2 | 282.467 |
—— | 1,20-eicos-10-enedioic acid | 53481-04-2 | C20H36O4 | 340.503 |
—— | (E)-octadec-9-ene-1,18-dicarboxylic acid | —— | C20H36O4 | 340.503 |
—— | (E)-tridec-10-enoic acid | 1609670-34-9 | C13H24O2 | 212.332 |
—— | 9-undecenoic acid | 593-25-9 | C11H20O2 | 184.279 |
11-反-十八烯酸 | trans-Vaccenic acid | 693-72-1 | C18H34O2 | 282.467 |
—— | (10E)-11-bromoundec-10-enoic acid | 100399-51-7 | C11H19BrO2 | 263.175 |
壬二酸 | azelaic acid | 123-99-9 | C9H16O4 | 188.224 |
十一烷酸 | undecylenic acid | 112-37-8 | C11H22O2 | 186.294 |
癸二酸 | 1,10-decanedioic acid | 111-20-6 | C10H18O4 | 202.251 |
9-甲酰基壬酸 | 10-oxodecanoic acid | 5578-80-3 | C10H18O3 | 186.251 |
—— | 12-oxododecanoic acid | 3956-80-7 | C12H22O3 | 214.305 |
11-羟基十一烷酸 | 11-hydroxyundecanoic acid | 3669-80-5 | C11H22O3 | 202.294 |
十二烷二酸 | 1,12-Dodecanedioic acid | 693-23-2 | C12H22O4 | 230.304 |
壬酸 | nonanoic acid | 112-05-0 | C9H18O2 | 158.241 |
—— | tricosane-1,23-dicarboxylic acid | 73292-43-0 | C23H44O4 | 384.6 |
十一烷二酸 | undecanedioic acid | 1852-04-6 | C11H20O4 | 216.277 |
二十烷二酸 | octadecane-1,18-dicarboxylic acid | 2424-92-2 | C20H38O4 | 342.519 |
10-羟基癸酸 | 10-hydroxydecanoic acid | 1679-53-4 | C10H20O3 | 188.267 |
十六碳二酸 | thapsic acid | 505-54-4 | C16H30O4 | 286.412 |
十三烷二酸 | brassylic acid | 505-52-2 | C13H24O4 | 244.331 |
十七烷二酸 | heptadecanedioic acid | 2424-90-0 | C17H32O4 | 300.439 |
—— | 9-hydroxy-10-undecenoic acid | 79868-93-2 | C11H20O3 | 200.278 |
—— | (R)-9-hydroxy-10-undecenoic acid | 1026775-86-9 | C11H20O3 | 200.278 |
—— | (S)-9-hydroxy-10-undecenoic acid | —— | C11H20O3 | 200.278 |
—— | 12-hydroxy-9-dodecenoic acid | 13881-31-7 | C12H22O3 | 214.305 |
—— | 12-hydroxydodec-9(Z)-enoic acid | 79894-09-0 | C12H22O3 | 214.305 |
10-烯酸甲酯 | Methyl 10-undecenoate | 111-81-9 | C12H22O2 | 198.305 |
甲基17-十八碳烯酸酯 | 17-octadecenoic acid methyl ester | 18654-84-7 | C19H36O2 | 296.494 |
月桂酸甲酯 | methyl 11-dodecenoate | 29972-79-0 | C13H24O2 | 212.332 |
十三烯酸甲酯 | methyl 12-tridecenoate | 29780-00-5 | C14H26O2 | 226.359 |
—— | ((Z)-11-oxoundec-9-enoic acid) | 73548-18-2 | C11H18O3 | 198.262 |
—— | 11-Cyanoundec-10-enoic acid | 1046470-10-3 | C12H19NO2 | 209.288 |
—— | 4-tridecenedioic acid | 100991-51-3 | C13H22O4 | 242.315 |
—— | 10-fluoroundec-10-enoic acid | 175400-10-9 | C11H19FO2 | 202.269 |
—— | 6-undecenoic acid | 62472-77-9 | C11H20O2 | 184.279 |
12-甲基十三烷酸 | isomyristic acid | 2724-57-4 | C14H28O2 | 228.375 |
10-氧代十一烷酸 | 10-oxo-undecanoic acid | 676-00-6 | C11H20O3 | 200.278 |
12-氧代十三烷酸 | 12-oxotridecanoic acid | 2345-12-2 | C13H24O3 | 228.332 |
—— | (Z)-0-undecenoic acid methyl ester | 54299-07-9 | C12H22O2 | 198.305 |
棕榈油酸甲酯 | (Z)-9-hexadecenoic acid methyl ester | 1120-25-8 | C17H32O2 | 268.44 |
—— | methyl 9-undecenoate | 37973-85-6 | C12H22O2 | 198.305 |
—— | methyl (Z)-tetratriacont-27-enoate | 150630-55-0 | C35H68O2 | 520.924 |
—— | methyl (Z)-hexacos-17-enoate | —— | C27H52O2 | 408.709 |
羟基十一酸 | 10-hydroxyundecanoic acid | 6336-28-3 | C11H22O3 | 202.294 |
—— | 2-methylundec-10-enoic acid | 86169-94-0 | C12H22O2 | 198.305 |
10-氨基癸酸 | 10-aminodecanoic acid | 13108-19-5 | C10H21NO2 | 187.282 |
9-氰基壬酸 | 9-cyanononanoic acid | 5810-19-5 | C10H17NO2 | 183.25 |
12-氨基十二酸 | 12-Aminododecanoic acid | 693-57-2 | C12H25NO2 | 215.336 |
11-氰基-1-十一酸 | 11-cyanoundecanoic acid | 5810-18-4 | C12H21NO2 | 211.304 |
10-十一碳炔酸 | undec-10-ynoic acid | 2777-65-3 | C11H18O2 | 182.263 |
—— | 2D-Hydroxyundec-10-en-saeure | 34456-31-0 | C11H20O3 | 200.278 |
—— | 11-iodo-undecanoic acid | 63632-65-5 | C11H21IO2 | 312.191 |
2-羟基-10-十一碳烯酸 | 2-hydroxy-10-undecenoic acid | 69695-27-8 | C11H20O3 | 200.278 |
—— | (S)-2-hydroxyundec-10-enoic acid | 34456-30-9 | C11H20O3 | 200.278 |
11-溴十一酸 | 11-bromoundecane acid | 2834-05-1 | C11H21BrO2 | 265.191 |
11-巯基十一烷酸 | 11-mercaptounadecanoic acid | 71310-21-9 | C11H22O2S | 218.36 |
12-氟十二烷酸 | 12-fluoro-dodecanoic acid | 593-11-3 | C12H23FO2 | 218.312 |
(Z)-十二碳-2-烯二酸 | 2-dodecendioic acid | 124-00-5 | C12H20O4 | 228.288 |
10-十一烯酸乙酯 | ethyl 10-undecenenoate | 692-86-4 | C13H24O2 | 212.332 |
—— | methyl 9-hydroxyundec-10-enoate | 212515-36-1 | C12H22O3 | 214.305 |
—— | methyl (9R)-9-hydroxyundec-10-eneoate | 359846-75-6 | C12H22O3 | 214.305 |
—— | Ethyl 18-nonadecenoate | 30379-25-0 | C21H40O2 | 324.547 |
—— | tridec-12-enoic acid ethyl ester | 120127-03-9 | C15H28O2 | 240.386 |
12-甲基十四烷酸 | 12-methyltetradecanoic acid | 5502-94-3 | C15H30O2 | 242.402 |
—— | (rac)-12-methylpentanoic acid | 7086-52-4 | C16H32O2 | 256.429 |
12-甲基十六烷酸 | 12-methylhexadecanoic acid | 17001-24-0 | C17H34O2 | 270.456 |
12-氧代十八烷酸 | 12-oxooctadecanoic acid | 925-44-0 | C18H34O3 | 298.466 |
—— | 12-Oxoheptacosanoic Acid | —— | C27H52O3 | 424.708 |
10-氧壬二酸 | 10-oxononadecanedioic acid | 18197-46-1 | C19H34O5 | 342.476 |
10-氧代十四酸 | 10-oxotetradecanoic acid | 675-95-6 | C14H26O3 | 242.359 |
—— | (R)-3-hydroxy-undec-10-enoic acid | —— | C11H20O3 | 200.278 |
—— | 10-hydroxyheptadecanoic acid | —— | C17H34O3 | 286.455 |
—— | 10-hydroxyoctadecanoic acid | 67042-09-5 | C18H36O3 | 300.482 |
10-羟基十四烷酸 | 10-hydroxytetradecanoic acid | 16899-08-4 | C14H28O3 | 244.375 |
10-羟基硬脂酸 | 10-hydroxystearic acid | 638-26-6 | C18H36O3 | 300.482 |
10-十一碳烯酸乙烯酯 | ω-undecylenic acid vinyl ester | 5299-57-0 | C13H22O2 | 210.316 |
十八烷二酸二甲酯 | dimethyl 1,18-octadecanedioate | 1472-93-1 | C20H38O4 | 342.519 |
癸二酸二甲酯 | dimethyl sebacate | 106-79-6 | C12H22O4 | 230.304 |
9-甲酰基壬酸甲酯 | 10-oxo-decanoic acid methyl ester | 14811-73-5 | C11H20O3 | 200.278 |
9-氧代壬酸甲酯 | methyl ester of azelaic acid aldehyde | 1931-63-1 | C10H18O3 | 186.251 |
—— | 1,21-heneicosanoic acid dimethyl ester | 42235-77-8 | C25H48O4 | 412.654 |
—— | methyl 11-hydroxyundecanoate | 24724-07-0 | C12H24O3 | 216.321 |
癸二酸单甲酯 | sebacic acid mono methyl ester | 818-88-2 | C11H20O4 | 216.277 |
二十九烷酸甲酯 | nonacosanoic acid methyl ester | 4082-55-7 | C30H60O2 | 452.805 |
10-羟基癸酸甲酯 | methyl 10-hydroxydecanoate | 2640-94-0 | C11H22O3 | 202.294 |
—— | methyl 17-oxoheptadecanoate | 150630-53-8 | C18H34O3 | 298.466 |
—— | (R)-3-hydroxy-non-8-enoic acid | —— | C9H16O3 | 172.224 |
—— | 10-formylundecanoic acid | 1313571-94-6 | C12H22O3 | 214.305 |
10,11-二羟基十一烷酸 | 10,11-dihydroxyundecanoic acid | 32779-22-9 | C11H22O4 | 218.293 |
十一碳-10-烯酸丙酯 | undec-10-enoic acid propyl ester | 94230-80-5 | C14H26O2 | 226.359 |
—— | 12-ethyltetradecanoic acid | —— | C16H32O2 | 256.429 |
—— | 12-ethylpentadecanoic acid | —— | C17H34O2 | 270.456 |
—— | 6-Oxo-pentadecan-dicarbonsaeure-(1,15) | 329211-61-2 | C17H30O5 | 314.422 |
—— | 9-cyclopropylnonanoic acid | 5617-97-0 | C12H22O2 | 198.305 |
—— | 11-hydroxy-10-oxo-undecanoic acid | 859325-50-1 | C11H20O4 | 216.277 |
10-十一烯-1-醇 | 10-Undecen-1-ol | 112-43-6 | C11H22O | 170.295 |