221473
Potassium hydroxide
ACS reagent, ≥85%, pellets
Synonym(s):
Caustic potash
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About This Item
grade
ACS reagent
Quality Level
agency
suitable for EPA 1621, suitable for EPA 1633
vapor pressure
1 mmHg ( 719 °C)
assay
≥85%
form
pellets
impurities
≤0.001% N compounds, ≤2.0% K2CO3, 10-15% water
pH
~13.5 (25 °C, 5.6 g/L)
mp
361 °C (lit.)
solubility
water: soluble
anion traces
chloride (Cl-): ≤0.01%, phosphate (PO43-): ≤5 ppm, sulfate (SO42-): ≤0.003%
cation traces
Ca: ≤0.005%, Fe: ≤0.001%, Mg: ≤0.002%, Na: ≤0.05%, Ni: ≤0.001%, heavy metals: ≤0.001% (by ICP)
application(s)
PFAS testing
storage temp.
room temp
SMILES string
[OH-].[K+]
InChI
1S/K.H2O/h;1H2/q+1;/p-1
InChI key
KWYUFKZDYYNOTN-UHFFFAOYSA-M
General description
Application
- 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.
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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
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
221473-25G:4.548173118086E12 + 221473-1KG:4.548173118062E12 + 221473-2.5KG:4.548173118079E12 + 221473-12KG:4.548173118055E12 + 221473-500G:4.548173118093E12
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