DL-苹果酸结构式
|
常用名 | DL-苹果酸 | 英文名 | (±)-Malic Acid |
|---|---|---|---|---|
| CAS号 | 617-48-1 | 分子量 | 134.087 | |
| 密度 | 1.6±0.1 g/cm3 | 沸点 | 306.4±27.0 °C at 760 mmHg | |
| 分子式 | C4H6O5 | 熔点 | 130-132ºC | |
| MSDS | N/A | 闪点 | 153.4±20.2 °C |
DL-苹果酸用途食品工业用作酸味剂、色泽保持剂、防腐剂和蛋黄等的乳化稳定剂等,也用于制药。 苹果酸是国际公认的一种安全的食品添加剂,作酸味剂、保鲜剂和Ph值调节剂用,其酸味柔和且持久性长,酸味比柠檬酸强20%。可用于各类食品,按生产需要适量使用。 |
| 中文名 | DL-苹果酸 |
|---|---|
| 英文名 | dl-Hydroxybutanedioic acid |
| 中文别名 | DL-羟基丁二酸 |
| 英文别名 | 更多 |
| 密度 | 1.6±0.1 g/cm3 |
|---|---|
| 沸点 | 306.4±27.0 °C at 760 mmHg |
| 熔点 | 130-132ºC |
| 分子式 | C4H6O5 |
| 分子量 | 134.087 |
| 闪点 | 153.4±20.2 °C |
| 精确质量 | 134.021530 |
| PSA | 94.83000 |
| LogP | -1.26 |
| 外观性状 | 白色结晶粉末 |
| 蒸汽密度 | 4.6 (vs air) |
| 蒸汽压 | 0.0±1.5 mmHg at 25°C |
| 折射率 | 1.529 |
| 储存条件 | 室温,干燥 |
| 稳定性 | Stable. Incompatible with strong oxidizing agents, strong bases, amines, alkali metals, carbonates. |
| 水溶解性 | methanol: 0.1 g/mL, clear, colorless |
| 危害码 (欧洲) | Xi:Irritant; |
|---|---|
| 风险声明 (欧洲) | R22;R34;R42/43 |
| 安全声明 (欧洲) | S26-S37/39 |
| WGK德国 | 1 |
| RTECS号 | ON7175000 |
| 海关编码 | 2918990090 |
| DL-苹果酸上游产品 10 | |
|---|---|
| DL-苹果酸下游产品 10 | |
| 海关编码 | 2918990090 |
|---|---|
| 中文概述 | 2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
| 申报要素 | 品名, 成分含量, 用途 |
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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| MFCD00064212 |
| R,S(±)-Malic acid |
| (±)-1-Hydroxy-1,2-ethanedicarboxylic Acid |
| UNII:817L1N4CKP |
| Hydroxybutandisaeure |
| MALIC ACID, (DL) |
| hydroxysuccinic acid |
| R,S-Malic acid |
| 2-hydroxybutane-1,4-dioic acid |
| EINECS 210-514-9 |
| 2-hydroxybutanedioic acid |
| 2-Hydroxysuccinic Acid |
| a-Hydroxysuccinic Acid |
| Malic acid |
| DL-MALIC ACID |
| 2-Hydroxy-succinic acid |
| DL-Hydroxybutanedioic acid |