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911062

Sigma-Aldrich

Kaliumhydroxid

free-flowing, Redi-Dri™, ACS reagent, ≥85%, pellets

Synonym(e):

Aetzkali

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About This Item

Lineare Formel:
KOH
CAS-Nummer:
1310-58-3
Molekulargewicht:
56.11
MDL-Nummer:
MFCD00003553
UNSPSC-Code:
12352320
NACRES:
NA.21

Qualität

ACS reagent
free-flowing

Agentur

suitable for EPA 1621
suitable for EPA 1633
suitable for SM 5210

Dampfdruck

1 mmHg ( 719 °C)

Produktlinie

Redi-Dri™

Assay

≥85%

Form

pellets

Verunreinigungen

≤0.001% N compounds
≤2.0% K2CO3
10-15% water

mp (Schmelzpunkt)

361 °C (lit.)

Anionenspuren

chloride (Cl-): ≤0.01%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.003%

Kationenspuren

Ca: ≤0.005%
Fe: ≤0.001%
Mg: ≤0.002%
Na: ≤0.05%
Ni: ≤0.001%
heavy metals: ≤0.001% (by ICP-OES)

SMILES String

[OH-].[K+]

InChI

1S/K.H2O/h;1H2/q+1;/p-1

InChIKey

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Allgemeine Beschreibung

Potassium hydroxide is an inorganic salt mainly used as a precursor to synthesize other potassium compounds such as potassium acetate, potassium bicarbonate and potassium carbonate. On a commercial scale, it is synthesized by the electrolysis of potassium chloride.

Anwendung

Redi-Dri™ is an innovative packaging product line that helps eliminate clumping material by adding extra packaging process steps without any chemical additives, anti-clumping agents, or hydrophobic compounds. Redi-Dri™ offers a more convenient and safer way to handle the products.
Potassium hydroxide may be used in the following processes:
  • Conversion of nitriles to amide in tert-butanol.
  • Cross-coupling of aryl halides with different sulfur-, oxygen- and nitrogen-based nucleophiles in dimethyl sulfoxide.
  • As an activator for the preparation of activated carbons from corn cobs.
  • As a base for the N-alkylation of nitrogen heterocycles in polyethylene glycol-ether solvents.
  • Synthesis of (S)-1-(4-benzyl-2-thioxothiazolidin-3-yl)propan-1-one from (S)-phenylalaninol.
  • To catalyze the polymerization of propylene oxide.

Rechtliche Hinweise

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Piktogramme

CorrosionExclamation mark
GHS05,GHS07

Signalwort

Danger

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

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCN8364

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Rokas Drevinskas et al.
Optics express, 23(2), 1428-1437 (2015-04-04)
Surface texturing is demonstrated by the combination of wet etching and ultrafast laser nanostructuring of silica glass. Using potassium hydroxide (KOH) at room temperature as an etchant of laser modified glass, we show the polarization dependent linear increase in retardance
Yoshihiro Takemura et al.
Plant physiology and biochemistry : PPB, 86, 121-129 (2014-12-02)
Endodormancy is an important feature of perennial deciduous fruit trees that survive in the extreme climates brought about by seasonal variation. To acquire a comprehensive knowledge of the biochemical processes occurring just before endodormancy breaking, the buds collected in the
Chen-Ting Lee et al.
PloS one, 10(3), e0120327-e0120327 (2015-03-21)
Traditional treatments, including a variety of thermal therapies have been known since ancient times to provide relief from rheumatoid arthritis (RA) symptoms. However, a general absence of information on how heating affects molecular or immunological targets relevant to RA has
Hassan M Albishri et al.
Journal of chromatographic science, 53(7), 1123-1130 (2014-12-30)
Two cyclodextrin micellar liquid chromatographic methods were developed and applied to the simultaneous determination of bisoprolol/hydrochlorothiazide and atenolol/chlorthalidone combinations in urine matrices without sample pretreatment. These combined β-blockers and diuretics chemotherapies are commonly used in the treatment of hypertension and
Carlos H Niño et al.
Memorias do Instituto Oswaldo Cruz, 110(7), 890-897 (2015-11-13)
The intracellular parasite Trypanosoma cruzi is the aetiological agent of Chagas disease, a public health concern with an increasing incidence rate. This increase is due, among other reasons, to the parasite's drug resistance mechanisms, which require nicotinamide adenine dinucleotide (NAD+).
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