aluminium(3+) ion potassium dodecahydrate disulfate

• ChemBase编号: 130853
• 分子式: AlH27KO20S2
• 平均质量: 477.412218
• 单一同位素质量: 476.99895557
• SMILES: O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[AlH3+3].[K+]
• Canonical SMILES: [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].O.O.O.O.O.O.O.O.O.O.O.O.[AlH3+3].[K+]
• InChI: InChI=1S/Al.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
• InChIKey: GNHOJBNSNUXZQA-UHFFFAOYSA-J

名称和登记号

名称

• IUPAC标准名: aluminium(3+) ion potassium dodecahydrate disulfate
• IUPAC传统名: aluminium(3+) ion potassium dodecahydrate disulfate
• 别名: 十二水硫酸铝钾, ACS; 硫酸铝钾 十二水合物; 明矾; 硫酸钾铝 十二水合物; 硫酸铝钾 十二水合物; 钾明矾; 钾明矾 十二水合物; Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate; Aluminum potassium sulfate dodecahydrate, ACS; Aluminum potassium sulfate dodecahydrate; Potassium alum dodecahydrate

登记号

• CAS号: 7784-24-9
• EC号: 233-141-3
• MDL号: MFCD00149143
• 默克索引号: 14360
• PubChem SID: 162225131; 24858892; 24854215; 24847709; 24891090; 24891189; 24898896
• PubChem CID: 62667

理论计算性质

• Acid pKa: -3.034349
• 质子受体: 4
• 质子供体: 0
• LogD (pH = 5.5): -5.569452
• LogD (pH = 7.4): -5.594027
• Log P: -0.841552
• 摩尔折射率: 11.5274 cm^3
• 极化性: 6.037845 Å^3
• 极化表面积: 80.26 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: H2O: soluble0.5 M, clear, colorless; Soluble in water, glycerol. Insoluble in alcohol
• 外观: Granular
• 熔点: 92 °C(lit.); 92°C
• 密度: 1.757; 1.757 g/mL at 25 °C(lit.)
• pH值: 3.0-3.5 (20 °C, 10%); 3.0-3.5 (25 °C, 50 mg/mL in H2O)

安全信息

• RTECS编号: WS5690000
• 德国WGK号: 3
• TSCA收录: 是
• 个人保护装置: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

产品相关信息

• 纯度: ≥98%; ≥98.0%; ≥99.0% (T); ≥99.5%; ≥99.995%; 98.0-102.0%; 98.0-102.0% (ACS specification); 99.0-100.5% (calc. on dry substance); 99.0-102.0%
• 级别: ACS reagent; ACS reagent, reag. Ph. Eur.; JIS special grade; puriss.; puriss. p.a.; ReagentPlus®; SAJ first grade
• 适用性: complies for appearance of solution; meets USP testing specifications; suitable for insect cell culture
• 杂质: <50 ppm total metallic impurities; ≤0.0005% Phosphorus (P); ≤0.001% heavy metals (as Pb); ≤0.005% ammonium (NH4); ≤0.005% Insoluble matter; ≤0.005% insolubles; ≤0.2% ammonium (NH4)
• 痕量阳离子: As: ≤0.1 mg/kg; As: ≤2 mg/kg; Ca: ≤0.0005%; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤0.0005%; Cu: ≤5 mg/kg; Fe: ≤0.001%; Fe: ≤5 mg/kg; Fe:, in accordance; heavy metals (as Pb): ≤0.001%; heavy metals: ≤0.001%; Mg: ≤0.005%; Mg: ≤50 mg/kg; Mn: ≤5 mg/kg; Na: ≤0.005%; Na: ≤0.02%; Na: ≤100 mg/kg; Na: ≤50 mg/kg; NH4+: ≤0.005%; NH4+: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤0.001%; Pb: ≤10 mg/kg; Pb: ≤5 mg/kg; Zn: ≤0.0005%; Zn: ≤5 mg/kg
• 痕量阴离子: chloride (Cl-): ≤0.0005%; chloride (Cl-): ≤5 mg/kg; chloride (Cl-): ≤5 ppm; chloride (Cl-): ≤50 mg/kg
• 干燥失重: 43.0-46.0 loss on drying
• 品质说明: meets analytical specification of Ph. Eur., BP
• 线性分子式: AlK(SO4)2 · 12H2O

详细说明

Sigma Aldrich - 467820

法律信息
ReagentPlus 注册商标 Sigma-Aldrich Co. LLC

Sigma Aldrich - 237086

包装
100, 500 g in poly bottle
2.5 kg in poly bottle