2,4-二羟基苯甲酸在常温常压下较为稳定,无特殊气味或略带酚味,味道微苦。此外,它还具有抗氧化作用,通常用作食品添加剂中的抗氧化剂。同时,这是一种重要的医药中间体,可用于合成2,4-二羟基苯甲酸。
毒性GRAS(FEMA)。
使用限量2,4-二羟基苯甲酸为白色针状结晶。从水中结晶时含有结晶水,在100℃时变成无水物,熔点为218-219℃(急热的熔点为213℃)。它溶于热水、乙醇和乙醚。在水、酸或盐溶液中煮沸会脱去二氧化碳,并与氯化铁作用呈现红色。
用途该品兼有间苯二酚和水杨酸的化学性质,可用于化学试剂比色测定铁、钛和其他元素;作为有机合成时的主要染料及药物中间体。在生产酸性媒介桃红3BM时,每吨染料消耗157 kg(按100%计算)2,4-二羟基苯甲酸。
用途主要用于染料中间体、医药及试剂的合成;作为染料、医药和农药的中间体;铁的点滴分析试剂。该品兼有间苯二酚和水杨酸的化学性质,用于化学试剂比色测定铁、钛和其他元素;用于有机合成时主要作染料及药物中间体。
生产方法由间苯二酚经羟基化而得。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-甲氧基水杨酸 | 4-methoxysalicylic acid | 2237-36-7 | C8H8O4 | 168.149 |
2,4-二羟基苯甲酸甲酯 | methyl 2,4-dihydroxybenzoate | 2150-47-2 | C8H8O4 | 168.149 |
水杨酸 | salicylic acid | 69-72-7 | C7H6O3 | 138.123 |
4,6-二羟基间苯二甲酸 | 4,6-dihydroxyisophthalic acid | 19829-74-4 | C8H6O6 | 198.132 |
2,4-二甲氧基苯甲酸 | 2,4 dimethoxybenzoic acid | 91-52-1 | C9H10O4 | 182.176 |
2,4-二羟基苄醇 | 2,4-dihydroxybenzyl alcohol | 33617-59-3 | C7H8O3 | 140.139 |
2,4-二羟基苯甲醛 | 2,4-Dihydroxybenzaldehyde | 95-01-2 | C7H6O3 | 138.123 |
对羟基苯甲酸 | 4-hydroxy-benzoic acid | 99-96-7 | C7H6O3 | 138.123 |
4-氨基水杨酸 | 4-Aminosalicylic acid | 65-49-6 | C7H7NO3 | 153.137 |
—— | 2-Acetoxy-4-hydroxybenzoesaeure | 91485-08-4 | C9H8O5 | 196.16 |
2,4-二羟基苯乙酮 | 2',4'-dihydroxy-4-acetophenone | 89-84-9 | C8H8O3 | 152.15 |
过氧化氢酶 | Ethyl 4-hydroxybenzoate | 120-47-8 | C9H10O3 | 166.177 |
对羟基苯甲酸苄酯 | Benzyl 4-hydroxybenzoate | 94-18-8 | C14H12O3 | 228.247 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-甲氧基水杨酸 | 4-methoxysalicylic acid | 2237-36-7 | C8H8O4 | 168.149 |
2,4-二羟基苯甲酸甲酯 | methyl 2,4-dihydroxybenzoate | 2150-47-2 | C8H8O4 | 168.149 |
2,6-二羟基苯甲酸 | 2,6-Dihydroxybenzoic acid | 303-07-1 | C7H6O4 | 154.122 |
5-甲酰基-2,4-二羟基-苯甲酸 | 5-formyl-2,4-dihydroxybenzoic acid | 873974-93-7 | C8H6O5 | 182.133 |
4-乙氧基-2-羟基苯甲酸 | 4-ethoxy-2-hydroxybenzoic acid | 10435-55-9 | C9H10O4 | 182.176 |
4,6-二羟基间苯二甲酸 | 4,6-dihydroxyisophthalic acid | 19829-74-4 | C8H6O6 | 198.132 |
2,4,5-三羟基苯甲酸 | 2,4,5-trihydroxybenzoic acid | 610-90-2 | C7H6O5 | 170.122 |
2,4-二羟基苯甲酸乙酯 | ethyl 2,4-dihydroxybenzoate | 4143-00-4 | C9H10O4 | 182.176 |
4-甲氧基水杨酸甲酯 | 4-methoxymethylsalicylate | 5446-02-6 | C9H10O4 | 182.176 |
2,3,4-三羟基苯甲酸 | 2,3,4-trihydroxybenzoic acid | 610-02-6 | C7H6O5 | 170.122 |
2,4-二甲氧基苯甲酸 | 2,4 dimethoxybenzoic acid | 91-52-1 | C9H10O4 | 182.176 |
3-甲酰基-2,4-二羟基-苯甲酸 | 3-formyl-2, 4-dihydroxybenzoic acid | 4435-88-5 | C8H6O5 | 182.133 |
—— | 4-hydroxybenzyl 2,4-dihydroxybenzoate | 1273059-88-3 | C14H12O5 | 260.246 |
—— | benzyl 2,4-dihydroxybenzoate | 79557-90-7 | C14H12O4 | 244.247 |
2-羟基-4-(苯基甲氧基)-苯甲酸 | 4-(benzyloxy)-2-hydroxybenzoic acid | 5448-45-3 | C14H12O4 | 244.247 |
—— | 2,4-dihydroxybenzoic acid isopropyl ester | 1368224-26-3 | C10H12O4 | 196.203 |
—— | 2-hydroxyethyl 2,4-dihydroxybenzoate | —— | C9H10O5 | 198.175 |
—— | propargyl 2,4-Dihydroxybenzoate | —— | C10H8O4 | 192.171 |
—— | 2-hydroxybenzyl 2,4-dihydroxybenzoate | 1273060-06-2 | C14H12O5 | 260.246 |
—— | propyl 2,4-dihydroxybenzoate | 37622-41-6 | C10H12O4 | 196.203 |
—— | 4-Acetoxy-2-hydroxybenzoesaeure | 58534-63-7 | C9H8O5 | 196.16 |
2-羟基-4-辛氧基苯甲酸 | 2-hydroxy-4-octyloxybenzoic acid | 86840-99-5 | C15H22O4 | 266.337 |
2-羟基-4-十四烷氧基苯甲酸 | 2-hydroxy-4-(n-tetradecyloxy)benzoic acid | 79451-38-0 | C21H34O4 | 350.499 |
—— | 2-Hydroxy-4-n-dodecoxybenzoesaeure | 86841-00-1 | C19H30O4 | 322.445 |
—— | 2-hydroxy-4-(2-(2-methoxyethoxy)ethoxy)benzoic acid | 761455-11-2 | C12H16O6 | 256.255 |
2,4-二羟基苄醇 | 2,4-dihydroxybenzyl alcohol | 33617-59-3 | C7H8O3 | 140.139 |
2,4-二羟基苯甲酸丁酯 | butyl 2,4-dihydroxybenzoate | 37622-42-7 | C11H14O4 | 210.23 |
2-羟基-4-甲氧基苯甲酸乙酯 | ethyl 2-hydroxy-4-methoxybenzoate | 35031-00-6 | C10H12O4 | 196.203 |
4-羟基-2-甲基氧苯甲酸甲酯 | methyl 4-hydroxy-2-methoxybenzoate | 28478-46-8 | C9H10O4 | 182.176 |
阿考替胺杂质31 | 2,5-dihydroxy-4-methoxybenzoic acid | 5981-37-3 | C8H8O5 | 184.149 |
2,4-二羟基苯甲醛 | 2,4-Dihydroxybenzaldehyde | 95-01-2 | C7H6O3 | 138.123 |
2,4-二羟基-5-氯苯甲酸 | 5-chloro-2,4-dihydroxy-benzoic acid | 67828-44-8 | C7H5ClO4 | 188.567 |
2-羟基-4-异丙氧基苯甲酸甲酯 | methyl 2-hydroxy-4-isopropoxybenzoate | 163618-93-7 | C11H14O4 | 210.23 |
—— | 3-hydroxybenzyl 2,4-dihydroxybenzoate | 1273059-98-5 | C14H12O5 | 260.246 |
—— | 4-acryloyloxysalicylic acid | —— | C10H8O5 | 208.171 |
—— | hexyl 2,4-dihydroxybenzoate | 33266-86-3 | C13H18O4 | 238.284 |
—— | heptyl 2,4-dihydroxybenzoate | 37622-45-0 | C14H20O4 | 252.31 |
—— | octyl 2,4-dihydroxybenzoate | 37622-46-1 | C15H22O4 | 266.337 |
—— | nonyl 2,4-dihydroxybenzoate | 119402-83-4 | C16H24O4 | 280.364 |
—— | decyl 2,4-dihydroxybenzoate | 135701-91-6 | C17H26O4 | 294.391 |
—— | 10-(formyloxy)decyl 2,4-dihydroxybenzoate | —— | C18H26O6 | 338.401 |
—— | decane-1,10-diyl bis(2,4-dihydroxybenzoate) | —— | C24H30O8 | 446.497 |
—— | 2-hydroxy-4-methoxy-3-methylbenzoic acid | 116371-82-5 | C9H10O4 | 182.176 |
—— | 2,4-dihydroxybenzoic acid dodecyl ester | 146501-47-5 | C19H30O4 | 322.445 |
5-溴-2,4-二羟基苯酸 | 5-bromo-4-hydroxysalicylic acid | 7355-22-8 | C7H5BrO4 | 233.018 |
—— | 4-[5-(4-cyanophenoxy)pentyloxy]-2-hydroxy-benzoic acid | —— | C19H19NO5 | 341.364 |
2,4-二甲氧基苯甲酸甲酯 | methyl 2, 4-dimethoxybenzoate | 2150-41-6 | C10H12O4 | 196.203 |
2,4-二羟基-5-碘苯甲酸 | 2,4-dihydroxy-5-iodobenzoic acid | 856106-63-3 | C7H5IO4 | 280.019 |
—— | 4-(4-fluorobenzyloxy)-2-hydroxybenzoic acid | 761455-25-8 | C14H11FO4 | 262.237 |
—— | 4-(3-bromo-propoxy)-2-hydroxybenzoic acid methyl ester | 848825-78-5 | C11H13BrO4 | 289.126 |
4-乙氧基-2-羟基苯甲酸乙酯 | ethyl 4-ethoxy-2-hydroxybenzoate | 29264-30-0 | C11H14O4 | 210.23 |
2,4-二乙氧基苯甲酸 | 2,4-diethoxybenzoic acid | 19074-30-7 | C11H14O4 | 210.23 |
2,4-二羟基-3-碘苯甲酸 | 2,4-dihydroxy-3-iodobenzoic acid | 86635-85-0 | C7H5IO4 | 280.019 |
—— | phenyl 2,4-dihydroxybenzoate | 16700-99-5 | C13H10O4 | 230.22 |
4-(苄氧基)-2-羟基苯甲酸甲酯 | methyl 2-hydroxy-4-benzyloxybenzoate | 5427-29-2 | C15H14O4 | 258.274 |
—— | 4-(3-(piperidin-1-yl)propoxy)-2-hydroxybenzoic acid | 761455-28-1 | C15H21NO4 | 279.336 |
—— | 2-Hydroxy-4- |
19337-00-9 | C10H10O6 | 226.186 |
—— | 12-bromododecyl 2,4-dihydroxybenzoate | —— | C19H29BrO4 | 401.341 |
—— | 4-benzoyloxy-2-hydroxy-benzoic acid | 134061-83-9 | C14H10O5 | 258.23 |
—— | methyl 2-hydroxy-4-octyloxybenzoate | 86840-97-3 | C16H24O4 | 280.364 |
—— | methyl 2-hydroxy-4-(n-tetradecyloxy)benzoate | 393519-55-6 | C22H36O4 | 364.525 |
—— | 2,4-dihydroxybenzoic acid-4-hydroxyphenethyl ester | —— | C15H14O5 | 274.273 |
对羟基苯甲酸 | 4-hydroxy-benzoic acid | 99-96-7 | C7H6O3 | 138.123 |
—— | phenyl 2-hydroxy-4-methoxybenzoate | 33454-09-0 | C14H12O4 | 244.247 |
—— | 2-Phenoxyethyl 2,4-dihydroxybenzoate | 99952-37-1 | C15H14O5 | 274.273 |
—— | 2,4-di(propargyloxy)benzoic acid | 85607-75-6 | C13H10O4 | 230.22 |
2,4-二羟基-5-异丙基苯甲酸 | 2,4-dihydroxy-5-isopropylbenzoic acid | 1184181-48-3 | C10H12O4 | 196.203 |
—— | 2-Hydroxy-4-[(E,E)-3,7,11-trimethyldodeca-2,6,10-trien-1-yloxy]benzoic acid | —— | C22H30O4 | 358.478 |
2,5-二羟基苯甲酸甲酯 | Methyl 2,5-dihydroxybenzoate | 2150-46-1 | C8H8O4 | 168.149 |
—— | cyclopentyl 2,4-dihydroxybenzoate | —— | C12H14O4 | 222.241 |
—— | 4-[4-(2,4-dihydroxybenzoyloxy)-2-hydroxybenzoyloxy]-2-hydroxybenzoic acid | —— | C21H14O10 | 426.336 |
—— | 4-((2,4-dihydroxybenzoyl)oxy)-2-hydroxybenzoic acid | 4707-43-1 | C14H10O7 | 290.229 |
5-氯-2,4-二羟基苯甲酸甲酯 | methyl 5-chloro-2,4-dihydroxybenzoate | 67828-69-7 | C8H7ClO4 | 202.594 |
—— | 2,4-dibutoxybenzoic acid | —— | C15H22O4 | 266.337 |
—— | 2-(benzyloxy)-4-methoxybenzoic acid | 13618-49-0 | C15H14O4 | 258.274 |
—— | 2,4-bis(benzyloxy)benzoic acid | 85593-77-7 | C21H18O4 | 334.372 |
—— | 5-tert-butyl-2,4-dihydroxy-benzoic acid | 909871-42-7 | C11H14O4 | 210.23 |
—— | methyl 4-allyloxy-2-methoxybenzoate | —— | C12H14O4 | 222.241 |
5-乙酰基-2,4-二羟基苯甲酸 | 2,4-dihydroxy-5-acetylbenzoic acid | 62908-65-0 | C9H8O5 | 196.16 |
—— | 2-Acetoxy-4-hydroxybenzoesaeure | 91485-08-4 | C9H8O5 | 196.16 |
—— | methyl 3-chloro-2,4-dihydroxybenzoate | 1154415-52-7 | C8H7ClO4 | 202.594 |
5-溴-2,4-二羟基苯甲酸甲酯 | methyl 5-bromo-2,4-dihydroxybenzoate | 98437-43-5 | C8H7BrO4 | 247.045 |
—— | benzyl 4-(benzyloxy)-2-hydroxybenzoate | 97476-06-7 | C21H18O4 | 334.372 |
2-羟基-4-甲氧基-3-甲基苯甲酸甲酯 | methyl 2-hydroxy-4-methoxy-3-methylbenzoate | 116386-94-8 | C10H12O4 | 196.203 |
2-甲氧基苯甲酸甲酯 | 2-methoxybenzoic acid methyl ester | 606-45-1 | C9H10O3 | 166.177 |
2-羟基-4-(2,2,3,3,3-五氟丙氧基)苯甲酸 | 2-hydroxy-4-(2,2,3,3,3-pentafluoropropoxy)benzoic acid | 651331-92-9 | C10H7F5O4 | 286.15 |
—— | cyclododecyl 2,4-dihydroxybenzoate | 896099-49-3 | C19H28O4 | 320.429 |
—— | 2,4-dihydroxybenzoic acid 2-phenylselenoethyl ester | —— | C15H14O4Se | 337.234 |
—— | 2,4-Dioctoxybenzoic acid | 126888-60-6 | C23H38O4 | 378.552 |
—— | 2,4-Di(tetradecoxy)benzoic acid | 62443-17-8 | C35H62O4 | 546.875 |
3,5-二氯-2,4-二羟基苯甲酸 | 3,5-dichloro-2,4-dihydroxybenzoic acid | 59119-79-8 | C7H4Cl2O4 | 223.012 |
5-溴-2-羟基-4-甲氧基苯甲酸 | 5-bromo-2-hydroxy-4-methoxybenzoic acid | 98437-41-3 | C8H7BrO4 | 247.045 |
—— | methyl 4-benzoyloxy-2-hydroxybenzoate | 109337-51-1 | C15H12O5 | 272.257 |
—— | methyl 5-formyl-4-hydroxy-2-methoxybenzoate | —— | C10H10O5 | 210.186 |
2,4-二乙酰氧基苯甲酸 | 2,4-bis(acetyloxy)benzoic acid | 51-01-4 | C11H10O6 | 238.197 |
2,4-二甲氧基苄醇 | 2,4-dimethoxylbenzyl alcohol | 7314-44-5 | C9H12O3 | 168.192 |
3,5-二溴-4-羟基水杨酸 | 3,5-dibromo-4-hydroxysalicylic acid | 3147-46-4 | C7H4Br2O4 | 311.914 |
—— | 2,4-Dihydroxy-5-(3'-methyl-2'-butenyl)-benzoic acid | 80008-48-6 | C12H14O4 | 222.241 |
2,4-二甲氧基苯甲酸酐 | 2,4-dimethoxybenzoic anhydride | 53931-00-3 | C18H18O7 | 346.337 |
2,6-二羟基苯甲醛 | 2,6-dihydroxybenzaldehyde | 387-46-2 | C7H6O3 | 138.123 |