三偏磷酸钠 (CAS No.7785-84-4)
- 物化性质
- 白色结晶或粉末，相对密度2.49，熔点约627°C。易溶于水，不溶于乙醇等有机溶剂，水溶液呈弱碱性。
- 技术参数
- 含量（以Na3P3O9计）≥98% 五氧化二磷（P2O5）含量≥68% 水不溶物≤0.05% pH值（10 g/L水溶液）约8.5
English description（英文原文，共 1032 字符）
Product Name:Sodium Trimetaphosphate
English Name:Sodium Trimetaphosphate
CAS No.:7785-84-4
Aliases:Trisodium trimetaphosphate, Trimetaphosphoric acid trisodium salt, STMP
Molecular Formula:Na3P3O9
Physical Properties:White crystals or powder; relative density 2.49; melting point approximately 627°C; freely soluble in water; insoluble in ethanol and other organic solvents; aqueous solution is weakly alkaline.
Uses:Primarily used as a builder in synthetic detergents for laundry powders and automatic dishwashing formulations, where it chelates metal ions and disperses soil. It is also used in the production of dry bleaches and mixtures of sodium tripolyphosphate hexahydrate with inert inorganic salts. Additionally, it finds application as a food thickening and stabilizing agent.
Technical Specifications:
Assay (as Na3P3O9): ≥98%
Phosphorus pentoxide (P2O5) content: ≥68%
Water-insoluble residue: ≤0.05%
pH (10 g/L aqueous solution): approximately 8.5
Packaging: 25 kg/bag, inner plastic bag and outer woven bag
English Name:Sodium Trimetaphosphate
CAS No.:7785-84-4
Aliases:Trisodium trimetaphosphate, Trimetaphosphoric acid trisodium salt, STMP
Molecular Formula:Na3P3O9
Physical Properties:White crystals or powder; relative density 2.49; melting point approximately 627°C; freely soluble in water; insoluble in ethanol and other organic solvents; aqueous solution is weakly alkaline.
Uses:Primarily used as a builder in synthetic detergents for laundry powders and automatic dishwashing formulations, where it chelates metal ions and disperses soil. It is also used in the production of dry bleaches and mixtures of sodium tripolyphosphate hexahydrate with inert inorganic salts. Additionally, it finds application as a food thickening and stabilizing agent.
Technical Specifications:
Assay (as Na3P3O9): ≥98%
Phosphorus pentoxide (P2O5) content: ≥68%
Water-insoluble residue: ≤0.05%
pH (10 g/L aqueous solution): approximately 8.5
Packaging: 25 kg/bag, inner plastic bag and outer woven bag
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常见问题
- 三偏磷酸钠的 CAS 号是多少？
- 三偏磷酸钠的 CAS 号是 7785-84-4。
- 三偏磷酸钠的分子式和分子量是什么？
- 三偏磷酸钠的分子式为 Na3P3O9。
- 三偏磷酸钠的英文名称是什么？
- 三偏磷酸钠的英文名称为 Sodium Trimetaphosphate。
- 三偏磷酸钠还有哪些别名？
- 三偏磷酸钠又称 偏磷酸三钠、环三偏磷酸钠、STMP。
- 三偏磷酸钠有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条三偏磷酸钠供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 三偏磷酸钠的供应商主要分布在哪些地区？
- 三偏磷酸钠的供应商主要分布在 上海市（1 条） 等地。
- 三偏磷酸钠有哪些级别可选？
- 平台上三偏磷酸钠的供应级别包括 工业级。
- 三偏磷酸钠的报价单位是什么？
- 三偏磷酸钠的报价单位主要有 千克。
- 哪里可以查到三偏磷酸钠的价格？
- 掌上化工三偏磷酸钠产品页汇总了各供应商的最新报价与规格，地址：/chemicals/7785-84-4/。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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