chromium(3+) ion potassium dodecahydrate disulfate

• ChemBase编号: 158523
• 分子式: CrH24KO20S2
• 平均质量: 499.40296
• 单一同位素质量: 498.93444935
• SMILES: O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[K+].[Cr+3]
• Canonical SMILES: [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].O.O.O.O.O.O.O.O.O.O.O.O.[K+].[Cr+3]
• InChI: InChI=1S/Cr.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: ZFVHBEKVAITXHW-UHFFFAOYSA-J

名称和登记号

名称

• IUPAC标准名: chromium(3+) ion potassium dodecahydrate disulfate
• IUPAC传统名: chromium(3+) ion potassium dodecahydrate disulfate
• 别名: 硫酸钾铬(III) 十二水合物; 铬明矾; 硫酸铬(III)钾 十二水合物; Chrome alum; Potassium chromium(III) sulfate dodecahydrate; Chromium(III) potassium sulfate dodecahydrate

登记号

• CAS号: 7788-99-0
• EC号: 233-401-6
• MDL号: MFCD00149917
• PubChem SID: 162252659; 24854611; 24881803; 24881804
• PubChem CID: 24596

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

• 熔点: 89 °C(lit.)

安全信息

• RTECS编号: GB6850000
• 德国WGK号: 2
• 个人保护装置: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

产品相关信息

• 纯度: ≥97.0%; ≥98%; ≥98% (iodometric); ≥98.5% (RT); ≥99.0% (RT); 98.0-102.0% (ACS specification)
• 级别: ACS reagent; puriss.; puriss. p.a.; purum p.a.; SAJ first grade
• 杂质: ≤0.01% heavy metals (as Pb); ≤0.01% insolubles
• 痕量阳离子: Al: ≤0.02%; Al: ≤200 mg/kg; Ca: ≤100 mg/kg; Ca: ≤500 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cu: ≤10 mg/kg; Cu: ≤50 mg/kg; Fe: ≤0.01%; Fe: ≤100 mg/kg; Fe: ≤200 mg/kg; Fe: ≤300 mg/kg; heavy metals (as Pb): ≤0.01%; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Na: ≤1000 mg/kg; Na: ≤500 mg/kg; NH4+: ≤0.01%; NH4+: ≤100 mg/kg; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: ≤50 mg/kg; Zn: ≤10 mg/kg; Zn: ≤50 mg/kg
• 痕量阴离子: chloride (Cl-): ≤0.002%; chloride (Cl-): ≤20 mg/kg; chloride (Cl-): ≤200 mg/kg; chloride (Cl-): ≤50 mg/kg
• 线性分子式: CrK(SO4)2 · 12H2O

详细说明

Sigma Aldrich - 60151

包装
500 g in poly bottle

Sigma Aldrich - 243361

包装
100, 500 g in poly bottle
5 g in glass bottle