1.05029

Potassium hydroxide

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

• Synonim(y): Potash caustic, Caustic potash
• Wzór liniowy: KOH
• Numer CAS: 1310-58-3
• Masa cząsteczkowa: 56.11
• NACRES: NA.21
• EC Index Number: 215-181-3
• UNSPSC Code: 12352305
• MDL number: MFCD00003553
• Assay: 85.0-100.5% KOH basis
• Grade: ACS reagent
• Form: solid
• Solubility: water: soluble

Właściwości

• grade: ACS reagent
• Quality Segment: 300
• agency: reag. Ph. Eur.
• vapor pressure: 1 mmHg ( 719 °C)
• product line: EMSURE^®
• assay: 85.0-100.5% KOH basis
• form: solid
• potency: 333 mg/kg LD₅₀, oral (Rat)
• pH: 14 (20 °C, 56 g/L in H₂O)
• mp: 361 °C (lit.)
• solubility: water: soluble
• anion traces: carbonate (K₂CO₃): ≤1.0%, chloride (Cl^-): ≤0.01%, phosphate (PO₄^3-): ≤0.0005%, silicate (as SiO₂): ≤0.005%, sulfate (SO₄^2-): ≤0.0005%
• cation traces: 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%
• storage temp.: 2-30°C
• SMILES string: [OH-].[K+]
• InChI: 1S/K.H2O/h;1H2/q+1;/p-1
• InChI key: KWYUFKZDYYNOTN-UHFFFAOYSA-M

Opis

Application

• 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).

Analysis Note

Assay (KOH): 85.0 - 100.5 %
Assay (total alkalinity calc. as KOH): 85.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Carbonate (KCO): ≤ 1.0 %
Chloride (Cl): ≤ 0.01 %
Phosphate (PO): ≤ 0.0005 %
Silicate (SiO): ≤ 0.005 %
Sulfate (SO): ≤ 0.0005 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Ag): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.001 %
Ca (Calcium): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.002 %
Na (Sodium): ≤ 0.05 %
Ni (Nickel): ≤ 0.0005 %

Legal Information

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

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Informacja o środkach bezpieczeństwa

• pictograms: GHS05,GHS07
• signalword: Danger
• pcodes: P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• hcodes: H290,H302,H314
• Klasa składowania: 8B - Non-combustible corrosive hazardous materials