硫酸铝铵 (CAS No.7784-25-0)
- 物化性质
- 无色透明结晶或白色颗粒粉末，易溶于水，不溶于乙醇，水溶液呈酸性。熔点约94.5°C，加热至120°C失去全部结晶水，继续加热分解生成硫酸铵和氧化铝。密度约1.64 g/cm³。
- 技术参数
- 含量（以AlNH4(SO4)2·12H2O计）≥99.0% 水不溶物≤0.01% 重金属（以Pb计）≤0.002% 砷（As）≤0.0002% pH值（5%水溶液）3.0-5.0
English description（英文原文，共 1019 字符）
Product Name:Aluminum ammonium sulfate
English Name:Aluminum ammonium sulfate
CAS No.:7784-25-0
Aliases:Ammonium alum, Aluminum ammonium sulfate dodecahydrate, Ammonium aluminum sulfate dodecahydrate
Molecular Formula:AlNH4(SO4)2·12H2O
Physical Properties:Colorless transparent crystal or white granular powder, freely soluble in water, insoluble in ethanol, acidic in aqueous solution. Melting point about 94.5°C, loses all crystal water at 120°C, and further decomposes into ammonium sulfate and aluminum oxide upon heating. Density about 1.64 g/cm³.
Uses:Used as a leavening agent and stabilizer in food additives, commonly in baking powder, fried foods, jellyfish pickling, starch noodle processing; also used as a water purifying agent, rubber processing aid, tanning agent, detergent additive and feed additive in industry.
Technical Specifications:
Content (as AlNH4(SO4)2·12H2O) ≥99.0%
Water insoluble matter ≤0.01%
Heavy metals (as Pb) ≤0.002%
Arsenic (As) ≤0.0002%
pH (5% aqueous solution) 3.0-5.0
English Name:Aluminum ammonium sulfate
CAS No.:7784-25-0
Aliases:Ammonium alum, Aluminum ammonium sulfate dodecahydrate, Ammonium aluminum sulfate dodecahydrate
Molecular Formula:AlNH4(SO4)2·12H2O
Physical Properties:Colorless transparent crystal or white granular powder, freely soluble in water, insoluble in ethanol, acidic in aqueous solution. Melting point about 94.5°C, loses all crystal water at 120°C, and further decomposes into ammonium sulfate and aluminum oxide upon heating. Density about 1.64 g/cm³.
Uses:Used as a leavening agent and stabilizer in food additives, commonly in baking powder, fried foods, jellyfish pickling, starch noodle processing; also used as a water purifying agent, rubber processing aid, tanning agent, detergent additive and feed additive in industry.
Technical Specifications:
Content (as AlNH4(SO4)2·12H2O) ≥99.0%
Water insoluble matter ≤0.01%
Heavy metals (as Pb) ≤0.002%
Arsenic (As) ≤0.0002%
pH (5% aqueous solution) 3.0-5.0
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常见问题
- 硫酸铝铵的 CAS 号是多少？
- 硫酸铝铵的 CAS 号是 7784-25-0。
- 硫酸铝铵的分子式和分子量是什么？
- 硫酸铝铵的分子式为 AlNH4(SO4)2·12H2O。
- 硫酸铝铵的英文名称是什么？
- 硫酸铝铵的英文名称为 Aluminum ammonium sulfate。
- 硫酸铝铵还有哪些别名？
- 硫酸铝铵又称 铵明矾、十二水合硫酸铝铵、硫酸铵铝。
- 硫酸铝铵有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条硫酸铝铵供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 硫酸铝铵的供应商主要分布在哪些地区？
- 硫酸铝铵的供应商主要分布在 上海市（1 条） 等地。
- 硫酸铝铵有哪些级别可选？
- 平台上硫酸铝铵的供应级别包括 工业级。
- 硫酸铝铵的报价单位是什么？
- 硫酸铝铵的报价单位主要有 千克。
- 哪里可以查到硫酸铝铵的价格？
- 掌上化工硫酸铝铵产品页汇总了各供应商的最新报价与规格，地址：/chemicals/7784-25-0/。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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