1.05029

Kaliumhydroxid

pellets for analysis (max. 0.05% Na) EMSURE^® ACS,Reag. Ph Eur

• Synonym(e): Ätzkali, Aetzkali
• Lineare Formel: KOH
• CAS-Nummer: 1310-58-3
• Molekulargewicht: 56.11
• MDL-Nummer: MFCD00003553
• UNSPSC-Code: 12352305
• EG-Index-Nummer: 215-181-3
• NACRES: NA.21

Eigenschaften

• Qualität: ACS reagent
• Qualitätsniveau: 300
• Agentur: reag. Ph. Eur.
• Dampfdruck: 1 mmHg ( 719 °C)
• Produktlinie: EMSURE^®
• Assay: 85.0-100.5% KOH basis
• Form: solid
• Wirksamkeit: 333 mg/kg LD₅₀, oral (Rat)
• pH-Wert: 14 (20 °C, 56 g/L in H₂O)
• mp (Schmelzpunkt): 361 °C (lit.)
• Anionenspuren: carbonate (K₂CO₃): ≤1.0%; chloride (Cl^-): ≤0.01%; phosphate (PO₄^3-): ≤0.0005%; silicate (as SiO₂): ≤0.005%; sulfate (SO₄^2-): ≤0.0005%
• Kationenspuren: Al: ≤0.001%; Ca: ≤0.001%; Fe: ≤0.0005%; Mg: ≤0.002%; N: ≤0.002%; Na: ≤0.05%; Ni: ≤0.0005%; heavy metals (as Ag): ≤0.0005%; heavy metals (as Pb): ≤0.0005%
• Lagertemp.: 2-30°C
• SMILES String: [OH-].[K+]
• InChI: 1S/K.H2O/h;1H2/q+1;/p-1
• InChIKey: KWYUFKZDYYNOTN-UHFFFAOYSA-M

Beschreibung

Anwendung

• Investigating chemical pre-treatment methods: Valorization of wheat straw to enhance polyhydroxyalkanoate (PHA) production with novel isolate Bacillus paranthracis RSKS-3.: This study highlights the use of potassium hydroxide in the chemical pre-treatment of wheat straw to optimize the production of polyhydroxyalkanoates, providing insights into sustainable biopolymer synthesis (Sachan RSK et al., 2024).


• Structure-property relationships in dicyanopyrazinoquinoxalines and their hydrogen-bonding-capable dihydropyrazinoquinoxalinedione derivatives.: Research explores the impact of potassium hydroxide in synthesizing new organic compounds, showcasing its role in advancing material science and analytical methods (Akhmedov TN et al., 2024).


• A state-of-the-art review of the physical and durability characteristics and microstructure behavior of ultra-high-performance geopolymer concrete.: Reviews the pivotal role of potassium hydroxide in modifying the microstructure and enhancing the durability of geopolymer concretes, contributing to advances in construction materials (Hakeem IY et al., 2024).

Hinweis zur Analyse

Gehalt (KOH): 85,0–100,5 %
Gehalt (gesamte Alkalinität, berechnet als KOH): 85,0–100,5 %
Identität: entspricht
Aussehen der Lösung: entspricht
Carbonat (KCO): ≤ 1,0 %
Chlorid (Cl): ≤ 0,01 %
Phosphat (PO): ≤ 0,0005 %
Silikat (SiO): ≤ 0,005 %
Sulfat (SO): ≤ 0,0005 %
Gesamtstickstoff (N): ≤ 0,0005 %
Schwermetalle (als Ag): ≤ 0,0005 %
Schwermetalle (als Pb): ≤ 0,0005 %
Al (Aluminium): ≤ 0,001 %
Ca (Calcium): ≤ 0,001 %
Fe (Eisen): ≤ 0,0005 %
Mg (Magnesium): ≤ 0,002 %
Na (Natrium): ≤ 0,05 %
Ni (Nickel): ≤ 0,0005 %

Rechtliche Hinweise

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS05,GHS07
• Signalwort: Danger
• H-Sätze: H290 - H302 - H314
• P-Sätze: P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Lagerklassenschlüssel: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable