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/418/501/product-dating-information-06-25-mk.pdf
06103
Potassium hydroxide
technical, ≥85%, powder
Synonym(s):
Caustic potash
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
1 kg | Available to ship TODAYfromMILWAUKEE | $70.50 |
5 kg | Available to ship TODAYfromMILWAUKEE | $271.00 |
About This Item
vapor pressure
1 mmHg ( 719 °C)
Quality Segment
grade
technical
assay
≥85%
form
powder
impurities
≤0.002% heavy metals (as Pb), ≤1.0% K2CO3
pH
~13.5 (25 °C, 5.6 g/L)
mp
361 °C (lit.)
anion traces
chloride (Cl-): ≤1000 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Fe: ≤20 mg/kg
SMILES string
[OH-].[K+]
InChI
1S/K.H2O/h;1H2/q+1;/p-1
InChI key
KWYUFKZDYYNOTN-UHFFFAOYSA-M
General description
Application
- To prepare KOH treated powder activated carbon, which is used as a catalyst for the synthesis of CNT (carbon nano tube) using chemical vapor deposition (CVD) method.
- As a base in the intramolecular N-arylation of urea′s to form benzimidazol-2-ones.
- As a catalyst for the synthesis of khellactone-type compounds (10-aryl substituted-9,10-dihydropyrano[2,3-h] benzopyrone-8-ones) via one-pot, three-component (Meldrum′s acid, aryl aldehydes and 5,7-dihydroxy benzopyrone derivatives) reaction.
1 of 1
This Item | |||
|---|---|---|---|
| description technical, ≥85%, powder | description ACS reagent, ≥85%, pellets | description puriss. p.a., ≥86% (T), pellets | description reagent grade, 90%, flakes |
| grade technical | grade - | grade puriss. p.a. | grade - |
| assay ≥85% | assay ≥85% | assay ≥86% (T) | assay 90% |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| form powder | form pellets | form pellets | form flakes |
| pH ~13.5 (25 °C, 5.6 g/L) | pH ~13.5 (25 °C, 5.6 g/L) | pH ~13.5 (25 °C, 5.6 g/L) | pH ~13.5 (25 °C, 5.6 g/L) |
| mp 361 °C (lit.) | mp 361 °C (lit.) | mp 361 °C (lit.) | mp 361 °C (lit.) |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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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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