在常温常压下稳定,应避免与氧化物接触。
3-羟基苯甲酸甲酯是一种白色结晶粉末或无色结晶物质,易溶于醇、醚和丙酮,极微溶于水,沸点为270-280℃。它主要用作有机合成、食品、化妆品、医药领域的杀菌防腐剂,并且也用于饲料防腐剂。由于3-羟基苯甲酸甲酯具有酚羟基结构,因此其抗细菌性能比苯甲酸和山梨酸更强大。
作用机制该物质通过破坏微生物的细胞膜,导致细胞内蛋白质变性,并抑制微生物细胞呼吸酶系与电子传递酶系的活性。传统上,3-羟基苯甲酸甲酯通常采用3-羟基苯甲酸与甲醇在浓硫酸作用下直接制备。然而,这种方法存在硫酸腐蚀性强、易发生副反应且污染环境的问题,因此寻找新型环保催化剂具有重要意义。
应用许多国家和地区已将3-羟基苯甲酸甲酯作为食品防腐剂,并广泛应用于肉制品、脂肪制品、乳制品、水产品、调味品、糖果、果蔬制品、啤酒、果酒及果蔬保鲜等领域。它不仅可完全替代苯甲酸钠和山梨酸钾,其使用范围也更广。
制备在三口瓶中加入3-羟基苯甲酸、甲醇与羟基苯磺酸,摩尔比为1:4,且羟基苯磺酸的添加量占反应物总质量8.6%。左侧口塞磨口塞,右侧口装有探头管(内置温度探头),中间口连接空气冷凝管并通过炉顶口接至外部设备。分水器、水冷凝管等装置依次安装后,混合均匀并放入电磁搅拌子。将其置于微波炉内开启搅拌,转速设定为300r/min,开始反应过程中需不断放出分水器内的水分。微波辐射功率设为150W,温度保持在85℃下持续40分钟。反应结束后关闭电源,将反应液倒入洁净的三口瓶中,并用水蒸气蒸馏去除过量甲醇。剩余液体倾入干净烧杯内冷却结晶后,用10%碳酸钠溶液洗涤至pH值为7.0-8.0范围,抽滤并用蒸馏水清洗滤饼,干燥后精制得到白色固体产品3-羟基苯甲酸甲酯,其收率为84.1%。
用途该物质主要用于医药和有机合成领域。另外,也可用于提高处理角蛋白材料试剂的稳定性。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
间羟基苯甲酸 | 3-Carboxyphenol | 99-06-9 | C7H6O3 | 138.123 |
3-甲氧基苯甲酸甲酯 | methyl 3-methoxybenzoate | 5368-81-0 | C9H10O3 | 166.177 |
—— | methyl 3-(allyloxy)benzoate | 79250-46-7 | C11H12O3 | 192.214 |
—— | methyl 3-(prop-2-ynyloxy)benzoate | 160893-68-5 | C11H10O3 | 190.199 |
3-甲氧基苯甲酸 | 3-Methoxybenzoic acid | 586-38-9 | C8H8O3 | 152.15 |
3-(苄氧基)苯甲酸甲酯 | methyl 3-(benzyloxy)benzoate | 79678-37-8 | C15H14O3 | 242.274 |
2-溴-5-羟基苯甲酸甲酯 | 2-Bromo-5-hydroxybenzoic acid methyl ester | 154607-00-8 | C8H7BrO3 | 231.046 |
苯甲酸甲酯 | benzoic acid methyl ester | 93-58-3 | C8H8O2 | 136.15 |
—— | methyl 2-bromo-3-hydroxybenzoate | 1260783-82-1 | C8H7BrO3 | 231.046 |
3-羟基苯甲醇 | 3-Hydroxybenzyl alcohol | 620-24-6 | C7H8O2 | 124.139 |
间乙酰苯甲酸 | 3-acetoxybenzoic acid | 6304-89-8 | C9H8O4 | 180.16 |
—— | methyl 3-((tert-butyldimethylsilyl)oxy)benzoate | 120687-94-7 | C14H22O3Si | 266.412 |
间羟基苯甲醛 | meta-hydroxybenzaldehyde | 100-83-4 | C7H6O2 | 122.123 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
3-羟基苯甲酸乙酯 | ethyl-3-hydroxybenzoate | 7781-98-8 | C9H10O3 | 166.177 |
间羟基苯甲酸 | 3-Carboxyphenol | 99-06-9 | C7H6O3 | 138.123 |
3-甲氧基苯甲酸甲酯 | methyl 3-methoxybenzoate | 5368-81-0 | C9H10O3 | 166.177 |
3,4-二羟基苯甲酸甲酯 | 3,4-dihydroxybenzoic acid methyl ester | 2150-43-8 | C8H8O4 | 168.149 |
3-羟基-4-甲基苯甲酸甲酯 | methyl 4-methyl-3-hydroxybenzoate | 3556-86-3 | C9H10O3 | 166.177 |
—— | 2,2,2-trifluoroethyl 3-hydroxybenzoate | 179633-60-4 | C9H7F3O3 | 220.148 |
4-羰基甲氧基水杨醛 | methyl 4-formyl-3-hydroxybenzoate | 24589-98-8 | C9H8O4 | 180.16 |
3-羟基-4-(羟基甲基)-苯甲酸甲酯 | methyl 3-hydroxy-4-(hydroxymethyl)-benzoate | 71780-40-0 | C9H10O4 | 182.176 |
—— | methyl 3-(vinyloxy)benzoate | 61031-63-8 | C10H10O3 | 178.188 |
3-甲氧基苯甲酸乙酯 | ethyl 3-methoxybenzoate | 10259-22-0 | C10H12O3 | 180.203 |
3-乙氧基苯甲酸甲酯 | methyl 3-ethoxybenzoate | 108593-47-1 | C10H12O3 | 180.203 |
4-氯-3-羟基苯甲酸甲酯 | methyl 4-chloro-3-hydroxybenzoate | 166272-81-7 | C8H7ClO3 | 186.595 |
3-苯氧基苯甲酸甲酯 | methyl 3-phenoxybenzoate | 50789-43-0 | C14H12O3 | 228.247 |
3-羟基-4-碘苯甲酸甲酯 | methyl 3-hydroxy-4-iodobenzoate | 157942-12-6 | C8H7IO3 | 278.046 |
—— | 3-(3-formylphenoxy)benzoic acid methyl ester | 185908-93-4 | C15H12O4 | 256.258 |
4-溴-3-羟基苯甲酸甲酯 | methyl 4-bromo-3-hydroxybenzoate | 106291-80-9 | C8H7BrO3 | 231.046 |
—— | methyl 3-(methoxymethoxy)benzoate | 81245-42-3 | C10H12O4 | 196.203 |
—— | methyl 3-propoxybenzoate | 148433-10-7 | C11H14O3 | 194.23 |
3-异丙氧基苯甲酸甲酯 | methyl 3-isopropoxybenzoate | 350989-42-3 | C11H14O3 | 194.23 |
—— | Methyl 3-(2-fluoroethoxy)benzoate | 132838-27-8 | C10H11FO3 | 198.194 |
甲基-3-(2-溴乙氧基)苯甲酸 | 1-Bromo-2-(3'-carbomethoxyphenoxy)ethane | 59516-96-0 | C10H11BrO3 | 259.1 |
3-(氰基甲氧基)苯甲酸甲酯 | methyl 3-(cyanomethyloxy)benzoate | 153938-40-0 | C10H9NO3 | 191.186 |
—— | methyl 3-(allyloxy)benzoate | 79250-46-7 | C11H12O3 | 192.214 |
—— | methyl 3-(prop-2-ynyloxy)benzoate | 160893-68-5 | C11H10O3 | 190.199 |
—— | 3-(2-chloro-ethoxy)-benzoic acid methyl ester | —— | C10H11ClO3 | 214.649 |
3-(2-氨基乙氧基)苯甲酸甲酯盐酸盐 | methyl 3-(2-aminoethoxy)benzoate | 153938-41-1 | C10H13NO3 | 195.218 |
3-甲氧基苯甲酸 | 3-Methoxybenzoic acid | 586-38-9 | C8H8O3 | 152.15 |
3-(4-甲基苯氧基)-苯甲酸甲酯 | methyl 3-(p-tolyloxy)benzoate | 78303-09-0 | C15H14O3 | 242.274 |
—— | 3-Hydroxy-benzoic acid 2,3-dihydroxy-propyl ester | —— | C10H12O5 | 212.202 |
—— | 3-(2-phenoxy-ethoxy)-benzoic acid methyl ester | 2788-70-7 | C16H16O4 | 272.301 |
—— | methyl 3-n-butoxybenzoate | 152091-60-6 | C12H16O3 | 208.257 |
—— | 3-(3-Amino-propoxy)-benzoic acid methyl ester | 892492-49-8 | C11H15NO3 | 209.245 |
3-(3-溴丙氧基)苯甲酸甲酯 | Methyl 3-(3-bromopropoxy)benzoate | 135998-87-7 | C11H13BrO3 | 273.126 |
3-(三氟甲氧基)苯甲酸甲酯 | methyl 3-(trifluoromethoxy)benzoate | 148438-00-0 | C9H7F3O3 | 220.148 |
—— | methyl 3-(2-methoxyethoxy)benzoate | —— | C11H14O4 | 210.23 |
—— | 3-(3-methoxypropoxy)-benzoic acid methyl ester | 179993-17-0 | C12H16O4 | 224.257 |
3-(苄氧基)苯甲酸甲酯 | methyl 3-(benzyloxy)benzoate | 79678-37-8 | C15H14O3 | 242.274 |
3-(4-甲酰基苯氧基)-苯甲酸甲酯 | methyl 3-(4-formylphenoxy)benzoate | 103561-09-7 | C15H12O4 | 256.258 |
—— | m-Hydroxybenzoesaeuremethylestertrimethylsilylaether | 27798-50-1 | C11H16O3Si | 224.332 |
—— | methyl 3-(pentyloxy)benzoate | 132858-17-4 | C13H18O3 | 222.284 |
—— | methyl 3-(isopentyloxy)benzoate | —— | C13H18O3 | 222.284 |
—— | methyl 3-(hexyloxy)benzoate | —— | C14H20O3 | 236.311 |
—— | methyl 3-cyclopropoxybenzoate | 921602-60-0 | C11H12O3 | 192.214 |
—— | methyl 3-(4-bromobutoxy)benzoate | 486396-41-2 | C12H15BrO3 | 287.153 |
甲基3-乙酰氧基苯甲酸酯 | methyl 3-acetoxybenzoate | 24781-23-5 | C10H10O4 | 194.187 |
—— | methyl 3-(4-aminobutoxy)benzoate | 899441-85-1 | C12H17NO3 | 223.272 |
—— | methyl 3-(2-ethoxyethoxy)benzoate | 1355460-16-0 | C12H16O4 | 224.257 |
—— | methyl 3-(2,2,2-trifluoroethoxy)benzoate | 35453-46-4 | C10H9F3O3 | 234.175 |
—— | methyl 3-(pentadecyloxy)benzoate | 1422437-59-9 | C23H38O3 | 362.553 |
—— | methyl 3-decyloxybenzoate | 97067-80-6 | C18H28O3 | 292.419 |
—— | methyl 3-(undecyloxy)benzoate | 855774-58-2 | C19H30O3 | 306.445 |
—— | 3-(tetradecyloxy)benzoic acid methyl ester | 40654-43-1 | C22H36O3 | 348.526 |
—— | 3-Dodecyloxy-benzoic acid methyl ester | 52415-13-1 | C20H32O3 | 320.472 |
—— | 3-Hexadecyloxy-benzoic acid methyl ester | 62443-21-4 | C24H40O3 | 376.58 |
2,3-二羟基苯甲酸甲酯 | methyl-2,3-dihydroxybenzoate | 2411-83-8 | C8H8O4 | 168.149 |
—— | 3-<(2-methylprop-1-en-3-yl)oxy> benzoic acid methyl ester | 136954-98-8 | C12H14O3 | 206.241 |
—— | methyl 3-(cyclopropylmethoxy)benzoate | 1150617-70-1 | C12H14O3 | 206.241 |
—— | Methyl 3-(5-bromopentoxy)benzoate | 1408973-94-3 | C13H17BrO3 | 301.18 |
—— | [3-(methoxycarbonyl)phenoxy]acetic acid | 113496-11-0 | C10H10O5 | 210.186 |
2-溴-5-羟基苯甲酸甲酯 | 2-Bromo-5-hydroxybenzoic acid methyl ester | 154607-00-8 | C8H7BrO3 | 231.046 |
—— | methyl 3-(2-(4-formylphenoxy)ethoxy)benzoate | 937601-95-1 | C17H16O5 | 300.311 |
—— | methyl 3-(4-methoxyphenoxy)benzoate | 64691-60-7 | C15H14O4 | 258.274 |
3-(4-氨基苯氧基)苯甲酸甲酯 | methyl 3-(4-aminophenoxy)benzoate | 192768-24-4 | C14H13NO3 | 243.262 |
—— | Methyl 3-(4-chlorophenoxy)benzoate | 773874-19-4 | C14H11ClO3 | 262.693 |
3-乙氧基苯甲酸 | 3-ethoxybenzoic acid | 621-51-2 | C9H10O3 | 166.177 |
M-(2,3-二羟基丙氧基)苯甲酸甲酯 | methyl (±)-3-(2,3-dihydroxypropoxy)benzoate | 67032-33-1 | C11H14O5 | 226.229 |
2-氯-5-羟基苯甲酸甲酯 | methyl 2-chloro-5-hydroxybenzoate | 247092-10-0 | C8H7ClO3 | 186.595 |
—— | methyl 3-hydroxy-4-methylthiomethylbenzoate | 95202-33-8 | C10H12O3S | 212.269 |
—— | methyl 3-(o-tolyloxy)benzoate | —— | C15H14O3 | 242.274 |
—— | methyl 3-(naphthalen-2-yloxy)benzoate | 1027423-17-1 | C18H14O3 | 278.307 |
—— | Methyl 3-(2-hydroxybutoxy)benzoate | 56220-28-1 | C12H16O4 | 224.257 |
3-羟基-4-(2-丙烯基)苯甲酸甲酯 | methyl 3-hydroxy-4-(2-propenyl)benzoate | 79950-41-7 | C11H12O3 | 192.214 |
—— | methyl 3-(undec-4-ynyloxy)benzoate | 855774-60-6 | C19H26O3 | 302.414 |
—— | methyl 3-(undec-4Z-enyloxy)benzoate | 795297-83-5 | C19H28O3 | 304.43 |
—— | 3-(1,1-dimethylprop-2-ynyloxy)benzoic acid methyl ester | 1123582-44-4 | C13H14O3 | 218.252 |
—— | 3-(Pyridin-4-yloxy)-benzoic acid methyl ester | 328546-69-6 | C13H11NO3 | 229.235 |
—— | 3-methoxycarbonylmethoxy-benzoic acid methyl ester | 40835-53-8 | C11H12O5 | 224.213 |
—— | O-3-(methoxycarbonyl)phenyl S-methyl dithiocarbonate | 143582-88-1 | C10H10O3S2 | 242.32 |
—— | methyl 3-(2-cyclobutylideneethoxy)benzoate | 1290056-77-7 | C14H16O3 | 232.279 |
—— | 3-(m-tolyloxy)benzoic acid | 135611-27-7 | C14H12O3 | 228.247 |
—— | 3-(4-benzyloxybutoxy)benzoic acid methyl ester | 1097624-27-5 | C19H22O4 | 314.381 |
—— | 3-(methoxymethoxy)benzoic acid | 81245-43-4 | C9H10O4 | 182.176 |
苯甲酸甲酯 | benzoic acid methyl ester | 93-58-3 | C8H8O2 | 136.15 |
—— | Methyl 3-[(4-fluorophenyl)methoxy]benzoate | —— | C15H13FO3 | 260.265 |
3-丙氧基-苯甲酸 | 3-propoxybenzoic acid | 190965-42-5 | C10H12O3 | 180.203 |
—— | methyl 3-(cyclopentyloxy)benzoate | —— | C13H16O3 | 220.268 |
—— | 3-[(Aminosulfonyl)oxy]benzoic acid methyl ester | 25999-00-2 | C8H9NO5S | 231.229 |
4-碘-3-甲氧基苯甲酸甲酯 | methyl 4-iodo-3-methoxybenzoate | 35387-92-9 | C9H9IO3 | 292.073 |
3-(3-氨基苯氧基)苯甲酸甲酯 | 3-(3-amino-phenoxy)-benzoic acid methyl ester | 183270-47-5 | C14H13NO3 | 243.262 |
4-溴-3-甲氧基苯甲酸甲酯 | methyl 4-bromo-3-methoxybenzoate | 17100-63-9 | C9H9BrO3 | 245.073 |
—— | 3-(2-Bromoethoxy)benzoic acid | 59516-97-1 | C9H9BrO3 | 245.07 |
—— | 3-(2-fluoroethoxy)benzoic acid | —— | C9H9FO3 | 184.167 |
3-异丙氧基苯甲酸 | 3-isopropoxybenzoic acid | 60772-67-0 | C10H12O3 | 180.203 |
—— | methyl 3-((methylsulfonyl)oxy)benzoate | 161912-35-2 | C9H10O5S | 230.241 |
—— | methyl 3-((4-cyanobenzyl)oxy)benzoate | 169605-18-9 | C16H13NO3 | 267.284 |
—— | methyl 3-(3-fluorophenoxy)benzoate | 492471-76-8 | C14H11FO3 | 246.238 |
—— | methyl 2-bromo-3-hydroxybenzoate | 1260783-82-1 | C8H7BrO3 | 231.046 |
3-烯丙氧基-苯甲酸 | 3-(allyloxy)benzoic acid | 103203-83-4 | C10H10O3 | 178.188 |
—— | 3-(prop-2-ynyloxy) benzoic acid | 85607-73-4 | C10H8O3 | 176.172 |