硫酸铵 (CAS No.7783-20-2)
- 物化性质
- 纯品为无色透明斜方晶系结晶，易溶于水，水溶液呈酸性，不溶于醇、丙酮和氨。相对密度1.769（50℃），熔点280℃，同时开始分解。
- 技术参数
- 含量≥99.0% pH值（25℃，0.1mol/L水溶液）为5.0-6.0 水不溶物≤0.005% 重金属（以Pb计）≤0.001% 灼烧残渣≤0.01%
English description（英文原文，共 923 字符）
Product Name:Ammonium sulfate
English Name:Ammonium sulfate
CAS No.:7783-20-2
Aliases:Ammonium sulphate, Diammonium sulfate, Sulfuric acid diammonium salt
Molecular Formula:(NH4)2SO4
Physical Properties:Pure product appears as colorless transparent orthorhombic crystals. Freely soluble in water, aqueous solution is acidic, insoluble in alcohol, acetone and ammonia. Relative density 1.769 (50°C), melting point 280°C with simultaneous decomposition.
Uses:Mainly used as nitrogen fertilizer, suitable for various soils and crops. Also used as welding flux, fabric flame retardant, and in pharmaceuticals as salting-out agent and osmotic pressure regulator. Additionally used as chemical raw material for manufacturing other ammonium salts.
Technical Specifications:
Assay ≥99.0%
pH (25°C, 0.1mol/L aqueous solution) 5.0-6.0
Water-insoluble matter ≤0.005%
Heavy metals (as Pb) ≤0.001%
Residue on ignition ≤0.01%
English Name:Ammonium sulfate
CAS No.:7783-20-2
Aliases:Ammonium sulphate, Diammonium sulfate, Sulfuric acid diammonium salt
Molecular Formula:(NH4)2SO4
Physical Properties:Pure product appears as colorless transparent orthorhombic crystals. Freely soluble in water, aqueous solution is acidic, insoluble in alcohol, acetone and ammonia. Relative density 1.769 (50°C), melting point 280°C with simultaneous decomposition.
Uses:Mainly used as nitrogen fertilizer, suitable for various soils and crops. Also used as welding flux, fabric flame retardant, and in pharmaceuticals as salting-out agent and osmotic pressure regulator. Additionally used as chemical raw material for manufacturing other ammonium salts.
Technical Specifications:
Assay ≥99.0%
pH (25°C, 0.1mol/L aqueous solution) 5.0-6.0
Water-insoluble matter ≤0.005%
Heavy metals (as Pb) ≤0.001%
Residue on ignition ≤0.01%
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常见问题
- 硫酸铵的 CAS 号是多少？
- 硫酸铵的 CAS 号是 7783-20-2。
- 硫酸铵的分子式和分子量是什么？
- 硫酸铵的分子式为 (NH4)2SO4。
- 硫酸铵的英文名称是什么？
- 硫酸铵的英文名称为 Ammonium sulfate。
- 硫酸铵还有哪些别名？
- 硫酸铵又称 硫铵、肥田粉、硫酸胺。
- 硫酸铵有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条硫酸铵供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 硫酸铵的供应商主要分布在哪些地区？
- 硫酸铵的供应商主要分布在 上海市（1 条） 等地。
- 硫酸铵有哪些级别可选？
- 平台上硫酸铵的供应级别包括 工业级。
- 硫酸铵的报价单位是什么？
- 硫酸铵的报价单位主要有 千克。
- 哪里可以查到硫酸铵的价格？
- 掌上化工硫酸铵产品页汇总了各供应商的最新报价与规格，地址：/chemicals/7783-20-2/。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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