Potassium hydroxide, 5K

SKU:
1050335000
  • $326.00

    • Description

    Potassium hydroxide, 5K

    pellets for analysis EMSURE®

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

    PROPERTIES

    vapor pressure

    1 mmHg ( 719 °C)

    Quality Level

    300

    product line

    EMSURE®

    Assay

    ≥85.0% 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.)

    solubility

    1130 g/L

    anion traces

    carbonate (K2CO3): ≤1.0%
    chloride (Cl-): ≤0.005%
    phosphate (PO43-): ≤0.0005%
    silicate (as SiO2): ≤0.005%
    sulfate (SO42-): ≤0.0005%

    cation traces

    Al: ≤0.001%
    Ca: ≤0.001%
    Cu: ≤0.0002%
    Fe: ≤0.0005%
    N: ≤0.0005%
    Na: ≤0.5%
    Ni: ≤0.0005%
    Pb: ≤0.0005%
    Zn: ≤0.0025%
    heavy metals (as Pb): ≤0.0005%

    storage temp.

    2-30°C

    SMILES string

    [OH-].[K+]

    InChI

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

    InChI key

    KWYUFKZDYYNOTN-UHFFFAOYSA-M

    Analysis Note

    Assay (acidimetric, KOH): ≥ 85.0 %
    Carbonate (as Kâ‚‚CO₃): ≤ 1.0 %
    Chloride (Cl): ≤ 0.005 %
    Phosphate (POâ‚„): ≤ 0.0005 %
    Silicate (SiOâ‚‚): ≤ 0.005 %
    Sulfate (SOâ‚„): ≤ 0.0005 %
    Total nitrogen (N): ≤ 0.0005 %
    Heavy metals (as Pb): ≤ 0.0005 %
    Al (Aluminium): ≤ 0.001 %
    Ca (Calcium): ≤ 0.001 %
    Cu (Copper): ≤ 0.0002 %
    Fe (Iron): ≤ 0.0005 %
    Na (Sodium): ≤ 0.5 %
    Ni (Nickel): ≤ 0.0005 %
    Pb (Lead): ≤ 0.0005 %
    Zn (Zinc): ≤ 0.0025 %

    Legal Information

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

    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