PX1480

Potassium hydroxide

pellets, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

• Synonym(s): Caustic Potash, Caustic potash
• Linear Formula: KOH
• CAS Number: 1310-58-3
• Molecular Weight: 56.11
• MDL number: MFCD00003553
• UNSPSC Code: 12352305
• EC Index Number: 215-181-3

Properties

• vapor pressure: 1 mmHg ( 719 °C)
• Quality Level: 200
• assay: ≥85.0%
• form: pellets
• color: white to off-white
• pH: 14 (20 °C, 56 g/L in H₂O)
• mp: 361 °C (lit.)
• solubility: 1130 g/L
• anion traces: carbonate (K₂CO₃): ≤2.0%; chloride (Cl^-): ≤0.01%; phosphate (PO₄^3-): ≤5 ppm; sulfate (SO₄^2-): ≤0.003%
• cation traces: Ca: ≤0.005%; Fe: ≤0.001%; Mg: ≤0.002%; N: ≤0.001%; Na: ≤0.05%; Ni: ≤0.001%; heavy metals: ≤0.001%
• shipped in: ambient
• storage temp.: room temp
• SMILES string: [OH-].[K+]
• InChI: 1S/K.H2O/h;1H2/q+1;/p-1
• InChI key: KWYUFKZDYYNOTN-UHFFFAOYSA-M

Description

Analysis Note

Assay: 85.0% min
Calcium (Ca): 0.005% max
Chloride (Cl): 0.01% max
Color: White to off-white
Form: Pellets
Heavy Metals (by ICP-OES): 0.001% max
Iron (Fe): 0.001% max
Magnesium (Mg): 0.002% max
Nickel (Ni): 0.001% max
Nitrogen compounds (as N): 0.001% max
Phosphate (PO4): 5ppm max
Potassium carbonate (K2CO3): 2.0% max
Sodium (Na): 0.05% max
Sulfate (SO4): 0.003% max

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H290,H302,H314
• pcodes: 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: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable