12636

Cloreto de potássio

puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E508, 99-100.5% (AT), ≤0.0001% Al

• Fórmula linear: KCl
• Número CAS: 7447-40-7
• Peso molecular: 74.55
• Número CE: 231-211-8
• Número MDL: MFCD00011360
• Código UNSPSC: 12352302
• ID de substância PubChem: 329749782
• NACRES: NA.21

Propriedades

• grau: puriss.
• Nível de qualidade: 200
• Ensaio: 99-100.5% (AT)
• Formulário: powder or crystals
• qualidade: meets analytical specification of Ph. Eur., BP, USP, FCC, E508
• Impurezas: acidity or alkalinity, complies; organic volatile impurities, complies (GC); residual solvents, complies; ≤0.0001% Al; ≤0.0005% heavy metals (as Pb); ≤0.003% free acid (as HCl); ≤0.005% free alkali (as KOH); ≤0.02% Mg, alkaline earth metals (as Ca)
• perda: ≤0.5% loss on drying, 105 °C, 3 h
• pH: 7
• pf: 770 °C (lit.)
• densidade: 1.98 g/mL at 25 °C (lit.)
• traços de ânion: bromide (Br^-): ≤1000 mg/kg; iodide (I^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• traços de cátion: Al: ≤1 mg/kg; As: ≤0.5 mg/kg; Ba:, in accordance; Ca: ≤50 mg/kg; Cd: ≤1 mg/kg; Cu: ≤10 mg/kg; Fe: ≤10 mg/kg; Hg: ≤1 mg/kg; Mg: ≤50 mg/kg; Na: ≤700 mg/kg; Pb: ≤5 mg/kg; Zn: ≤20 mg/kg
• adequação: complies for appearance of solution
• cadeia de caracteres SMILES: [Cl-].[K+]
• InChI: 1S/ClH.K/h1H;/q;+1/p-1
• chave InChI: WCUXLLCKKVVCTQ-UHFFFAOYSA-M

Descrição

Descrição geral

Potassium chloride, an alkali metal halide, is a colorless crystalline salt. Its solubility in water is directly proportional to increase in temperature. It can be prepared from potassium hydroxide, via neutralization reaction with HCl. Calorimetric estimation of the enthalpy of solution of potassium chloride in water has been described.

Aplicação

Pode ser usado no preparo de solução salina tamponada com fosfato e na extração e solubilização de proteínas.

Potassium chloride may be used in the preparation of fertilizer, potassium hydroxide, potassium carbonate and other potassium slats. It may be used in the calorimetric determination of enthalpy and heat capacity values during the deprotonation (loss of proton H⁺) of buffers. From these values temperature dependence of the pH of these buffers was calculated.
Potassium chloride can be used as a fertilizer and as a regenerant to soften water. It has been used a buffer for the separation of major purine metabolites in the heart, using reverse phase ion pair chromatography(RPIPC).

Informações de segurança

• Código de classe de armazenamento: 13 - Non Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable