potassium hydrogen carbonate

• ChemBase编号: 103660
• 分子式: CHKO3
• 平均质量: 100.11514
• 单一同位素质量: 99.95627557
• SMILES: [K+].OC(=O)[O-]
• Canonical SMILES: [O-]C(=O)O.[K+]
• InChI: InChI=1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• InChIKey: TYJJADVDDVDEDZ-UHFFFAOYSA-M

名称和登记号

名称

• IUPAC标准名: potassium hydrogen carbonate
• IUPAC传统名: potassium bicarbonate; potassium ion bicarbonate
• 别名: 碳酸氢钾; 重碳酸钾; 碳酸氢钾; Potassium bicarbonate; Kalii hydrogenocarbonas; Potassium Acid Carbonate; Potassium hydrogen carbonate; POTASSIUM BICARBONATE, ACS; Potassium bicarbonate; Potassium bicarbonate; Potassium hydrogen carbonate

登记号

• CAS号: 298-14-6
• EC号: 206-059-0
• MDL号: MFCD00011402
• Beilstein号: 4535309
• 默克索引号: 147609
• PubChem SID: 24867032; 24854226; 24881839; 24898866; 24862016; 24881840; 24899012; 24847694; 162102857
• PubChem CID: 516893
• ATC码: A12BA04
• Chemspider ID: 55053
• 维基百科标题: Potassium_bicarbonate

理论计算性质

• Acid pKa: 6.0525417
• 质子受体: 3
• 质子供体: 1
• LogD (pH = 5.5): 0.142811
• LogD (pH = 7.4): -1.1138874
• Log P: 0.25005138
• 摩尔折射率: 20.3353 cm^3
• 极化性: 3.759794 Å^3
• 极化表面积: 60.36 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: 33.7 g/100 mL (20 °C) ; 60 g/100 mL (60 °C) in water; H2O: soluble1 M at 20 °C, clear, colorless; practically insoluble in alcohol
• 外观: fine crystals; granular; white crystals
• 熔点: 100°C (decomposes); Decomposes
• 闪点: Non-Flammable
• 密度: 2.17; 2.17 g/cm^3; 2.17 g/cm^3 at 20 °C
• 蒸汽压: 0 hPa at 20 °C
• 紫外吸收波长: λ: 260 nm Amax: 0.010; λ: 280 nm Amax: 0.01
• pKa: (1) 6.37, (2) 10.25 (carbonic acid); 10.3296.351 (carbonic acid)
• 气味: odorless
• pH值: 7.5-9.0 (25 °C, 1 M in H2O); 8.0-8.6 (20 °C, 5%)

安全信息

• 保存条件: Room Temperature (15-30°C), Desiccate
• 德国WGK号: 1
• 危险公开号: R36 R37 R38
• TSCA收录: 是
• 欧盟危险品索引: Not listed
• NFPA704:
  

  1
• 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%; ≥99.0% (T); ≥99.5% (T); ≥99.7% (calc. based on dry substance, T); ≥99.99% trace metals basis; 99%; 99.5-100.3%; 99.5-101.0% (acidimetric); 99.7%; 99.7-100.5%; 99.7-100.5% (ACS specification); 99.7-100.5% dry basis
• 级别: ACS; ACS reagent; JIS special grade; Ph Eur; puriss.; puriss. p.a.; purum p.a.; REAGENT; reagent grade
• 适用性: complies for appearance of solution; insect cell culture tested
• 杂质: <100 ppm total metallic impurities(excluding Na); ≤0.0005% heavy metals (as Pb); ≤0.002% ammonium (NH4); ≤0.003% S compounds; ≤0.003% sulfur compounds (as SO4); ≤0.01% insolubles; insoluble matter, passes filter test; organic volatile impurities, complies (GC)
• 痕量阳离子: Al: ≤5 mg/kg; As: ≤1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤0.002%; Ca: ≤10 mg/kg; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Fe: ≤10 mg/kg; Fe: ≤20 mg/kg; Fe: ≤5 mg/kg; Fe: ≤5 ppm; heavy metals (as Pb): ≤5 ppm; heavy metals: ≤5 ppm; Li: ≤5 mg/kg; Mg: ≤0.001%; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤0.03%; Na: ≤200 mg/kg; Na: ≤300 mg/kg; NH4+: ≤5 mg/kg; NH4+: ≤5 ppm; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: ≤5 mg/kg; Pb: ≤50 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• 痕量阴离子: carbonate (K2CO3): ≤2.5%; chloride (Cl-): ≤0.001%; chloride (Cl-): ≤10 mg/kg; chloride (Cl-): ≤50 mg/kg; phosphate (PO43-): ≤5 mg/kg; phosphate (PO43-): ≤5 ppm; sulfate (SO42-): ≤100 mg/kg; sulfate (SO42-): ≤50 mg/kg
• 干燥失重: ≤0.1% loss on drying, 4 h (on silica gel)
• 品质说明: meets analytical specification of Ph. Eur., BP, USP, E501
• λ: 1 M in H2O
• 药典: testing & handling conforms to Pharmacopeia
• 产品线: BioUltra
• 线性分子式: KHCO3

详细说明

MP Biomedicals - 02152557

ACS Reagent Grade
Purity: 99.7-100.5%

Sigma Aldrich - 60339

Other Notes
For the assay of carbamoyl-phosphate synthetase1

Sigma Aldrich - P7682

Application
在昆虫细胞培养应用中用于控制 pH 值。

Sigma Aldrich - 237205

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

Sigma Aldrich - 431583

Features and Benefits
符合 ACS 的试剂规范。
包装
50, 250 g in poly bottle