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Safety Information

1.05012

Supelco

Potassium hydroxide

pellets EMPLURA®

Synonym(s):

Potash caustic, Caustic potash

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About This Item

Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
MDL number:
UNSPSC Code:
12352305
EC Index Number:
215-181-3
NACRES:
NA.21

vapor pressure

1 mmHg ( 719 °C)

Quality Level

product line

EMPLURA®

Assay

≥84.0% KOH basis (acidimetric)

form

solid

potency

333 mg/kg LD50, oral (Rat)

pH

14 (20 °C, 56 g/L in H2O)

mp

361 °C (lit.)

anion traces

carbonate (K2CO3): ≤2.0%
chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.01%

cation traces

Al: ≤0.002%
Fe: ≤0.002%
heavy metals (as Pb): ≤0.002%

storage temp.

2-30°C

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Related Categories

Application


  • Transformation of hard pollen into soft matter.: This study demonstrates the transformation of hard pollen into soft matter using potassium hydroxide treatment, providing insights into new materials′ potential applications in soft robotics and other fields (Fan et al., 2020).

  • Radiation induced oxidation of [(18)F]fluorothia fatty acids under cGMP manufacturing conditions.: The research highlights the role of potassium hydroxide in the oxidation process of radiolabeled fatty acids, which is critical for producing radiopharmaceuticals used in medical imaging (Pandey et al., 2020).

  • Molecular epidemiology of otomycosis in Isfahan revealed a large diversity in causative agents.: This study utilized potassium hydroxide preparations to identify fungal pathogens in otomycosis, showcasing its importance in clinical diagnostics and microbiological studies (Aboutalebian et al., 2019).

Analysis Note

Assay (acidimetric, KOH): ≥ 84.0 %
Carbonate (as K₂CO₃): ≤ 2.0 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.002 %
Al (Aluminium): ≤ 0.002 %
Fe (Iron): ≤ 0.002 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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