L-苹果酸钠 (CAS No.138-09-0)
- 物化性质
- 白色结晶性粉末，无臭，味微咸。易溶于水，水溶液呈弱碱性，微溶于乙醇，几乎不溶于乙醚。有吸湿性，熔点大于300℃（分解）。
- 技术参数
- 含量（以干基计）≥98.0% pH（10 g/L水溶液）为7.5~8.5 干燥失重≤1.0% 重金属（以Pb计）≤10 mg/kg 砷（As）≤2 mg/kg
English description（英文原文，共 988 字符）
Product Name:L-Malic Acid Disodium Salt
English Name:L-Malic Acid Disodium Salt
CAS No.:138-09-0
Aliases:Disodium L-hydroxybutanedioate, Disodium L-malate, Disodium L-hydroxysuccinate
Molecular Formula:C4H4Na2O5
Physical Properties:White crystalline powder, odorless, with a slightly salty taste. Readily soluble in water, aqueous solution is weakly alkaline; slightly soluble in ethanol and practically insoluble in diethyl ether. Hygroscopic; melting point above 300°C (decomposes).
Uses:Used as a food acidity regulator and pH buffering agent, widely applied in beverages, fruit juices, jams, jellies and dairy products to improve flavor and taste. In the pharmaceutical industry, it serves as an electrolyte supplement and pH regulator; it is also used as a buffering ingredient in daily chemical products.
Technical Specifications:
Assay (on dry basis) ≥98.0%
pH (10 g/L aqueous solution): 7.5-8.5
Loss on drying ≤1.0%
Heavy metals (as Pb) ≤10 mg/kg
Arsenic (As) ≤2 mg/kg
English Name:L-Malic Acid Disodium Salt
CAS No.:138-09-0
Aliases:Disodium L-hydroxybutanedioate, Disodium L-malate, Disodium L-hydroxysuccinate
Molecular Formula:C4H4Na2O5
Physical Properties:White crystalline powder, odorless, with a slightly salty taste. Readily soluble in water, aqueous solution is weakly alkaline; slightly soluble in ethanol and practically insoluble in diethyl ether. Hygroscopic; melting point above 300°C (decomposes).
Uses:Used as a food acidity regulator and pH buffering agent, widely applied in beverages, fruit juices, jams, jellies and dairy products to improve flavor and taste. In the pharmaceutical industry, it serves as an electrolyte supplement and pH regulator; it is also used as a buffering ingredient in daily chemical products.
Technical Specifications:
Assay (on dry basis) ≥98.0%
pH (10 g/L aqueous solution): 7.5-8.5
Loss on drying ≤1.0%
Heavy metals (as Pb) ≤10 mg/kg
Arsenic (As) ≤2 mg/kg
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常见问题
- L-苹果酸钠的 CAS 号是多少？
- L-苹果酸钠的 CAS 号是 138-09-0。
- L-苹果酸钠的分子式和分子量是什么？
- L-苹果酸钠的分子式为 C4H4Na2O5。
- L-苹果酸钠的英文名称是什么？
- L-苹果酸钠的英文名称为 L-Malic Acid Disodium Salt。
- L-苹果酸钠还有哪些别名？
- L-苹果酸钠又称 L-羟基丁二酸二钠盐、L-苹果酸二钠、L-羟基琥珀酸二钠。
- L-苹果酸钠有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条L-苹果酸钠供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- L-苹果酸钠的供应商主要分布在哪些地区？
- L-苹果酸钠的供应商主要分布在 上海市（1 条） 等地。
- L-苹果酸钠有哪些级别可选？
- 平台上L-苹果酸钠的供应级别包括 工业级。
- L-苹果酸钠的报价单位是什么？
- L-苹果酸钠的报价单位主要有 千克。
- 哪里可以查到L-苹果酸钠的价格？
- 掌上化工L-苹果酸钠产品页汇总了各供应商的最新报价与规格，地址：/chemicals/138-09-0/。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。
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