磷酸二氢钾 (CAS No.7778-77-0)
- 物化性质
- 白色或无色结晶性粉末，具潮解性，在空气中稳定；易溶于水，水溶液呈酸性，不溶于乙醇；常温下性质稳定，高温下熔化并固化成不透明的玻璃状偏磷酸钾。
- 技术参数
- 含量≥99% 密度为2.338 g/cm³ 熔点为252.6°C，高温下熔化并固化成玻璃状偏磷酸钾 25°C时水中溶解度约22.2 g/100 mL，水溶液呈酸性 包装规格为25kg/件
English description（英文原文，共 1323 字符）
Product Name:Potassium dihydrogen phosphate
English Name:Potassium dihydrogen phosphate
CAS No.:7778-77-0
Aliases:Monopotassium phosphate, Potassium biphosphate, Anhydrous potassium dihydrogen phosphate
Molecular Formula:KH2PO4
Physical Properties:White or colorless crystalline powder, hygroscopic and stable in air; freely soluble in water giving an acidic solution, insoluble in ethanol; stable at room temperature, melts at high temperature and solidifies into opaque glassy potassium metaphosphate.
Uses:Used as a food additive in the food industry to improve taste and flavor, enhance stability, extend shelf life, and adjust acidity and pH. In industry, it serves as a buffer and culture agent for the production of fermented products such as monosodium glutamate, yogurt, and lactic acid bacteria. It is also a raw material for potassium pyrophosphate, dipotassium hydrogen phosphate, flame retardants, water treatment agents, and ceramic glazes, and is used in textiles as a dyeing auxiliary, fixing agent, and flame-retardant finishing agent.
Technical Specifications:
Assay ≥99%
Density: 2.338 g/cm³
Melting point: 252.6°C; melts and solidifies into glassy potassium metaphosphate at high temperature
Solubility in water: approx. 22.2 g/100 mL at 25°C; aqueous solution is acidic
Packaging: 25 kg/bag
English Name:Potassium dihydrogen phosphate
CAS No.:7778-77-0
Aliases:Monopotassium phosphate, Potassium biphosphate, Anhydrous potassium dihydrogen phosphate
Molecular Formula:KH2PO4
Physical Properties:White or colorless crystalline powder, hygroscopic and stable in air; freely soluble in water giving an acidic solution, insoluble in ethanol; stable at room temperature, melts at high temperature and solidifies into opaque glassy potassium metaphosphate.
Uses:Used as a food additive in the food industry to improve taste and flavor, enhance stability, extend shelf life, and adjust acidity and pH. In industry, it serves as a buffer and culture agent for the production of fermented products such as monosodium glutamate, yogurt, and lactic acid bacteria. It is also a raw material for potassium pyrophosphate, dipotassium hydrogen phosphate, flame retardants, water treatment agents, and ceramic glazes, and is used in textiles as a dyeing auxiliary, fixing agent, and flame-retardant finishing agent.
Technical Specifications:
Assay ≥99%
Density: 2.338 g/cm³
Melting point: 252.6°C; melts and solidifies into glassy potassium metaphosphate at high temperature
Solubility in water: approx. 22.2 g/100 mL at 25°C; aqueous solution is acidic
Packaging: 25 kg/bag
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常见问题
- 磷酸二氢钾的 CAS 号是多少？
- 磷酸二氢钾的 CAS 号是 7778-77-0。
- 磷酸二氢钾的分子式和分子量是什么？
- 磷酸二氢钾的分子式为 KH2PO4。
- 磷酸二氢钾的英文名称是什么？
- 磷酸二氢钾的英文名称为 Potassium dihydrogen phosphate。
- 磷酸二氢钾还有哪些别名？
- 磷酸二氢钾又称 磷酸一钾、无水磷酸二氢钾。
- 磷酸二氢钾有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条磷酸二氢钾供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 磷酸二氢钾的供应商主要分布在哪些地区？
- 磷酸二氢钾的供应商主要分布在 上海市（1 条） 等地。
- 磷酸二氢钾有哪些级别可选？
- 平台上磷酸二氢钾的供应级别包括 工业级。
- 磷酸二氢钾的报价单位是什么？
- 磷酸二氢钾的报价单位主要有 千克。
- 哪里可以查到磷酸二氢钾的价格？
- 掌上化工磷酸二氢钾产品页汇总了各供应商的最新报价与规格，地址：/chemicals/7778-77-0/。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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