二水合磷酸二氢钠 (CAS No.13472-35-0)
- 中文别名
- 二水磷酸二氢钠；磷酸二氢钠二水合物；磷酸二氢钠(二水)
- 英文名称
- Sodium dihydrogen phosphate dihydrate
- 分子式
- NaH2PO4·2H2O
- 所属类别
- 食品添加剂
- 物化性质
- 白色结晶性粉末或颗粒，无臭，稍有潮解性。相对密度2.04，熔点60℃。易溶于水，不溶于乙醇。100℃以下加热可溶于结晶水形成一水盐；加热至100℃失去结晶水成为无水物，继续加热则变为偏磷酸钠。
- 技术参数
- 含量（以干基计，NaH2PO4）为98.0%～103.0% pH值（10g/L溶液，25℃）为4.1～4.7 水不溶物≤0.2% 重金属（以Pb计）≤10mg/kg，铅≤4mg/kg，砷≤3mg/kg，氟化物（以F计）≤50mg/kg 包装规格为每袋净重25kg，内衬聚乙烯塑料袋，外套复合塑料编织袋
English description（英文原文，共 1231 字符）
Product Name:Sodium dihydrogen phosphate dihydrate
English Name:Sodium dihydrogen phosphate dihydrate
CAS No.:13472-35-0
Aliases:Sodium phosphate monobasic dihydrate, Monosodium phosphate dihydrate
Molecular Formula:NaH2PO4·2H2O
Physical Properties:White crystalline powder or granules, odorless, slightly deliquescent. Relative density 2.04, melting point 60 °C. Easily soluble in water, insoluble in ethanol. When heated below 100 °C, it dissolves in its water of crystallization to form the monohydrate; at 100 °C it loses water of crystallization to become the anhydrous form, and further heating converts it to sodium metaphosphate.
Uses:Used as a buffer, quality improver, emulsifier, nutritional supplement and antioxidant synergist. In the food industry, it is also used as a stabilizer, gelling agent, sugar clarifying agent and brine penetration aid, and for poultry scalding treatment.
Technical Specifications:
Content (as NaH2PO4, dry basis): 98.0%–103.0%
pH (10 g/L solution, 25 °C): 4.1–4.7
Water-insoluble substances: ≤0.2%
Heavy metals (as Pb): ≤10 mg/kg; Pb: ≤4 mg/kg; As: ≤3 mg/kg; fluorides (as F): ≤50 mg/kg
Packaging: 25 kg net per bag, inner polyethylene bag and outer composite plastic woven bag
English Name:Sodium dihydrogen phosphate dihydrate
CAS No.:13472-35-0
Aliases:Sodium phosphate monobasic dihydrate, Monosodium phosphate dihydrate
Molecular Formula:NaH2PO4·2H2O
Physical Properties:White crystalline powder or granules, odorless, slightly deliquescent. Relative density 2.04, melting point 60 °C. Easily soluble in water, insoluble in ethanol. When heated below 100 °C, it dissolves in its water of crystallization to form the monohydrate; at 100 °C it loses water of crystallization to become the anhydrous form, and further heating converts it to sodium metaphosphate.
Uses:Used as a buffer, quality improver, emulsifier, nutritional supplement and antioxidant synergist. In the food industry, it is also used as a stabilizer, gelling agent, sugar clarifying agent and brine penetration aid, and for poultry scalding treatment.
Technical Specifications:
Content (as NaH2PO4, dry basis): 98.0%–103.0%
pH (10 g/L solution, 25 °C): 4.1–4.7
Water-insoluble substances: ≤0.2%
Heavy metals (as Pb): ≤10 mg/kg; Pb: ≤4 mg/kg; As: ≤3 mg/kg; fluorides (as F): ≤50 mg/kg
Packaging: 25 kg net per bag, inner polyethylene bag and outer composite plastic woven bag
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常见问题
- 二水合磷酸二氢钠的 CAS 号是多少？
- 二水合磷酸二氢钠的 CAS 号是 13472-35-0。
- 二水合磷酸二氢钠的分子式和分子量是什么？
- 二水合磷酸二氢钠的分子式为 NaH2PO4·2H2O。
- 二水合磷酸二氢钠的英文名称是什么？
- 二水合磷酸二氢钠的英文名称为 Sodium dihydrogen phosphate dihydrate。
- 二水合磷酸二氢钠还有哪些别名？
- 二水合磷酸二氢钠又称 二水磷酸二氢钠、磷酸二氢钠二水合物、磷酸二氢钠(二水)。
- 二水合磷酸二氢钠有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条二水合磷酸二氢钠供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
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- 平台上二水合磷酸二氢钠的供应级别包括 工业级。
- 二水合磷酸二氢钠的报价单位是什么？
- 二水合磷酸二氢钠的报价单位主要有 千克。
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- 掌上化工二水合磷酸二氢钠产品页汇总了各供应商的最新报价与规格，地址：/chemicals/13472-35-0/。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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