L-苹果酸 (CAS No.97-67-6)
- 物化性质
- 白色结晶性粉末或颗粒，略有特殊酸味，易溶于水，溶于乙醇，微溶于乙醚。熔点约100°C，分解温度约140°C，密度1.595 g/cm³。在空气中稳定，有吸湿性。L-苹果酸是天然有机酸，参与三羧酸循环，具有较好的抗氧化性能。
- 技术参数
- 含量（以干基计）≥99.0%
- 熔点
- 98~102°C 干燥失重≤0.5% 灼烧残渣≤0.1% 重金属（以Pb计）≤10 mg/kg
English description（英文原文，共 1223 字符）
Product Name:L-Malic acid
English Name:L-Malic acid
CAS No.:97-67-6
Aliases:L-Hydroxybutanedioic acid, L-Hydroxy succinic acid, (S)-(-)-Malic acid
Molecular Formula:C4H6O5
Physical Properties:White crystalline powder or granules with a slightly special sour taste, freely soluble in water, soluble in ethanol, slightly soluble in ether. Melting point about 100°C, decomposition temperature about 140°C, density 1.595 g/cm³. Stable in air and hygroscopic. As a natural organic acid, L-malic acid participates in the tricarboxylic acid cycle and has good antioxidant properties.
Uses:In the food industry, it is mainly used as an acidulant, partially replacing citric acid to give beverages and foods a natural sour taste. It also acts as a preservative, antioxidant, and inhibitor of oil rancidity, and can be used for food preservation and prevention of fruit and vegetable browning. It serves as a flour fortifier, improving the elasticity and toughness of dough. In salty foods, it can reduce salt usage, and it is also used to remove fishy and body odors.
Technical Specifications:
Assay (dry basis) ≥99.0%
Melting point: 98~102°C
Loss on drying ≤0.5%
Residue on ignition ≤0.1%
Heavy metals (as Pb) ≤10 mg/kg
English Name:L-Malic acid
CAS No.:97-67-6
Aliases:L-Hydroxybutanedioic acid, L-Hydroxy succinic acid, (S)-(-)-Malic acid
Molecular Formula:C4H6O5
Physical Properties:White crystalline powder or granules with a slightly special sour taste, freely soluble in water, soluble in ethanol, slightly soluble in ether. Melting point about 100°C, decomposition temperature about 140°C, density 1.595 g/cm³. Stable in air and hygroscopic. As a natural organic acid, L-malic acid participates in the tricarboxylic acid cycle and has good antioxidant properties.
Uses:In the food industry, it is mainly used as an acidulant, partially replacing citric acid to give beverages and foods a natural sour taste. It also acts as a preservative, antioxidant, and inhibitor of oil rancidity, and can be used for food preservation and prevention of fruit and vegetable browning. It serves as a flour fortifier, improving the elasticity and toughness of dough. In salty foods, it can reduce salt usage, and it is also used to remove fishy and body odors.
Technical Specifications:
Assay (dry basis) ≥99.0%
Melting point: 98~102°C
Loss on drying ≤0.5%
Residue on ignition ≤0.1%
Heavy metals (as Pb) ≤10 mg/kg
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常见问题
- L-苹果酸的 CAS 号是多少？
- L-苹果酸的 CAS 号是 97-67-6。
- L-苹果酸的分子式和分子量是什么？
- L-苹果酸的分子式为 C4H6O5。
- L-苹果酸的英文名称是什么？
- L-苹果酸的英文名称为 L-Malic acid。
- L-苹果酸还有哪些别名？
- L-苹果酸又称 L-丁醇二酸、L-羟基丁二酸、L-羟基琥珀酸。
- L-苹果酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条L-苹果酸供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- L-苹果酸的供应商主要分布在哪些地区？
- L-苹果酸的供应商主要分布在 上海市（1 条） 等地。
- L-苹果酸有哪些级别可选？
- 平台上L-苹果酸的供应级别包括 工业级。
- L-苹果酸的报价单位是什么？
- L-苹果酸的报价单位主要有 千克。
- 哪里可以查到L-苹果酸的价格？
- 掌上化工L-苹果酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/97-67-6/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
以上信息由平台根据收录的产品数据自动生成，数据更新时间 。 价格与库存由供应商自行发布，实际交易请以询价结果为准。
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