Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
1.05033
Kaliumhydroxid
pellets for analysis EMSURE®
Synonym(e):
Ätzkali, Kalihydrat, Kaliumoxidhydrat, Aetzkali
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About This Item
Empfohlene Produkte
Agentur
suitable for SM 5210
Qualitätsniveau
Dampfdruck
1 mmHg ( 719 °C)
Produktlinie
EMSURE®
Assay
≥85.0% KOH basis (acidimetric)
Form
solid
Wirksamkeit
333 mg/kg LD50, oral (Rat)
pH-Wert
14 (20 °C, 56 g/L in H2O)
mp (Schmelzpunkt)
361 °C (lit.)
Löslichkeit
1130 g/L
Anionenspuren
carbonate (K2CO3): ≤1.0%
chloride (Cl-): ≤0.005%
phosphate (PO43-): ≤0.0005%
silicate (as SiO2): ≤0.005%
sulfate (SO42-): ≤0.0005%
Kationenspuren
Al: ≤0.001%
Ca: ≤0.001%
Cu: ≤0.0002%
Fe: ≤0.0005%
N: ≤0.0005%
Na: ≤0.5%
Ni: ≤0.0005%
Pb: ≤0.0005%
Zn: ≤0.0025%
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
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Hinweis zur Analyse
Carbonat (als K₂CO₃): ≤ 1,0 %
Chlorid (Cl): ≤ 0,005 %
Phosphat (PO₄): ≤ 0,0005 %
Silicat (SiO₂): ≤ 0,005 %
Sulfat (SO₄): ≤ 0,0005 %
Gesamtstickstoff (N): ≤ 0,0005 %
Schwermetalle (als Pb): ≤ 0,0005 %
Al (Aluminium): ≤ 0,001 %
Ca (Calcium): ≤ 0,001 %
Cu (Kupfer): ≤ 0,0002 %
Fe (Eisen): ≤ 0,0005 %
Na (Natrium): ≤ 0,5 %
Ni (Nickel): ≤ 0,0005 %
Pb (Blei): ≤ 0,0005 %
Zn (Zink): ≤ 0,0025 %
Rechtliche Hinweise
Signalwort
Danger
H-Sätze
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
Analysenzertifikate (COA)
Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.
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Verwandter Inhalt
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdfHilfreich?
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