06005

Potassium hydroxide

puriss., meets analytical specification of Ph. Eur., BP, 85-100.5%, pellets

• Synonym(s): Caustic potash
• Linear Formula: KOH
• CAS Number: 1310-58-3
• Molecular Weight: 56.11
• EC Number: 215-181-3
• MDL number: MFCD00003553
• UNSPSC Code: 12352106
• eCl@ss: 38100303
• PubChem Substance ID: 329748189
• NACRES: NA.21

Properties

• vapor pressure: 1 mmHg ( 719 °C)
• Quality Level: 200
• grade: puriss.
• Assay: 85-100.5%
• form: pellets
• quality: meets analytical specification of Ph. Eur., BP
• impurities: residual solvents, complies; ≤0.0005% heavy metals (as Pb); ≤0.0005% total nitrogen (N); ≤1% K₂CO₃
• pH: ~13.5 (25 °C, 5.6 g/L)
• mp: 361 °C (lit.)
• anion traces: chloride (Cl^-): ≤50 mg/kg; phosphate (PO₄^3-): ≤10 mg/kg; silicate (as SiO₂): ≤100 mg/kg; sulfate (SO₄^2-): ≤20 mg/kg
• cation traces: Al: ≤10 mg/kg; As: ≤3 mg/kg; Ca: ≤20 mg/kg; Fe: ≤10 mg/kg; Na: ≤1%
• SMILES string: [OH-].[K+]; [OH-].[K+]
• InChI: 1S/K.H2O/h;1H2/q+1;/p-1
• InChI key: KWYUFKZDYYNOTN-UHFFFAOYSA-M

Description

General description

Potassium hydroxide is an inorganic compound commonly known as caustic potash. It is frequently used to neutralize acids and prepare potassium salts of reagents. Additionally, NaOH is also employed in a variety of large-scale applications.

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H290,H302,H314
• Precautionary Statements: P234 - P260 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class Code: 8B - Non-combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable