The unit is weight/weight (w/w).
417661
Potassium hydroxide solution
45 wt. % in H2O
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500 ML
$55.70
1 L
$79.50
2 L
$112.00
18 L
$438.00
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500 ML
$55.70
1 L
$79.50
2 L
$112.00
18 L
$438.00
About This Item
Fórmula lineal:
KOH
Número de CAS:
Peso molecular:
56.11
MDL number:
UNSPSC Code:
12352106
eCl@ss:
38100303
PubChem Substance ID:
NACRES:
NA.21
form:
liquid
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form
liquid
Quality Level
concentration
43.0-47.0 wt. % (KOH basis, by HCl, titration)
45 wt. % in H2O
density
1.456 g/mL at 25 °C
SMILES string
[K+].[O-][H]
InChI
1S/K.H2O/h;1H2/q+1;/p-1
InChI key
KWYUFKZDYYNOTN-UHFFFAOYSA-M
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General description
Potassium hydroxide (KOH) solution is a strong alkali widely used in chemical synthesis. Van Slyke apparatus and Hildebrand adsorption technique have been utilized to determine the solubility of oxygen in different concentration of KOH solution.[1]
Application
Potassium hydroxide solution may be used in the following processes:
- Depolymerization of poly(ethylene terephthalate) (PET) flakes.[2]
- Synthesis of potassium bicarbonate and potassium carbonate.[3]
- As an eluent in the nonsuppressor ion chromatography to separate and determine inorganic and organic anions.[4]
- Saponification of fruit seed oil to determine tocopherols and tocotrienols.[5]
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class
8B - Non-combustible corrosive hazardous materials
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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Certificados de análisis (COA)
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Los clientes también vieron
The solubility and diffusion coefficient of oxygen in potassium hydroxide solutions.
Davis RE, et al.
Electrochimica Acta, 12(3), 287-297 (1967)
Nonsuppressor ion chromatography of inorganic and organic anions with potassium hydroxide as eluent.
Okada T and Kuwamoto T.
Analytical Chemistry, 55(7), 1001-1004 (1983)
Native oils from apple, blackcurrant, raspberry, and strawberry seeds as a source of polyenoic fatty acids, tocochromanols, and phytosterols: a health implication.
Pieszka M, et al.
Journal of Chemistry, 2015 (2015)
Kinetics of depolymerization of poly (ethylene terephthalate) in a potassium hydroxide solution.
Wan BZ, et al.
Industrial & Engineering Chemistry Research, 40(2), 509-514 (2001)
Ledgard J.
The Preparatory Manual of Explosives., 79-79 (2007)
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Is the 45 wt% specified w/w or w/v?
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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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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
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