焦磷酸钠 (CAS No.7722-88-5)
- 物化性质
- 白色粉末或结晶性固体，相对密度约2.534，熔点约988℃，易溶于水，水溶液呈碱性，不溶于乙醇。加热至80℃以上可失去结晶水，高温下进一步分解。
- 技术参数
- 焦磷酸钠含量（以Na4P2O7计）≥98.0% 水不溶物含量≤0.2% pH值（1%水溶液）为9.9-10.7 干燥减量≤0.5% 砷含量≤0.0003%，重金属含量≤0.001%
English description（英文原文，共 987 字符）
Product Name:Tetrasodium pyrophosphate
English Name:Tetrasodium pyrophosphate
CAS No.:7722-88-5
Aliases:Sodium pyrophosphate, Tetrasodium diphosphate, TSPP
Molecular Formula:Na4O7P2
Physical Properties:White powder or crystalline solid, relative density approximately 2.534, melting point about 988°C, readily soluble in water with an alkaline aqueous solution, insoluble in ethanol. It loses crystal water when heated above 80°C and decomposes further at high temperatures.
Uses:Used as a water retention agent, stabilizer and quality improver in food additives, such as in meat and aquatic products to improve water retention and elasticity. In industry, it is used as a water softener, electroplating complexing agent, dispersant and detergent builder.
Technical Specifications:
Sodium pyrophosphate content (as Na4P2O7) ≥98.0%
Water insoluble matter ≤0.2%
pH value (1% aqueous solution) 9.9-10.7
Loss on drying ≤0.5%
Arsenic content ≤0.0003%, heavy metals content ≤0.001%
English Name:Tetrasodium pyrophosphate
CAS No.:7722-88-5
Aliases:Sodium pyrophosphate, Tetrasodium diphosphate, TSPP
Molecular Formula:Na4O7P2
Physical Properties:White powder or crystalline solid, relative density approximately 2.534, melting point about 988°C, readily soluble in water with an alkaline aqueous solution, insoluble in ethanol. It loses crystal water when heated above 80°C and decomposes further at high temperatures.
Uses:Used as a water retention agent, stabilizer and quality improver in food additives, such as in meat and aquatic products to improve water retention and elasticity. In industry, it is used as a water softener, electroplating complexing agent, dispersant and detergent builder.
Technical Specifications:
Sodium pyrophosphate content (as Na4P2O7) ≥98.0%
Water insoluble matter ≤0.2%
pH value (1% aqueous solution) 9.9-10.7
Loss on drying ≤0.5%
Arsenic content ≤0.0003%, heavy metals content ≤0.001%
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常见问题
- 焦磷酸钠的 CAS 号是多少？
- 焦磷酸钠的 CAS 号是 7722-88-5。
- 焦磷酸钠的分子式和分子量是什么？
- 焦磷酸钠的分子式为 Na4O7P2。
- 焦磷酸钠的英文名称是什么？
- 焦磷酸钠的英文名称为 Tetrasodium pyrophosphate。
- 焦磷酸钠还有哪些别名？
- 焦磷酸钠又称 磷酸四钠、焦磷酸四钠、二磷酸四钠。
- 焦磷酸钠有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条焦磷酸钠供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 焦磷酸钠的供应商主要分布在哪些地区？
- 焦磷酸钠的供应商主要分布在 上海市（1 条） 等地。
- 焦磷酸钠有哪些级别可选？
- 平台上焦磷酸钠的供应级别包括 工业级。
- 焦磷酸钠的报价单位是什么？
- 焦磷酸钠的报价单位主要有 千克。
- 哪里可以查到焦磷酸钠的价格？
- 掌上化工焦磷酸钠产品页汇总了各供应商的最新报价与规格，地址：/chemicals/7722-88-5/。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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