Potassium hydroxide ≥85.0%, pellets, EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, FCC, E525, SAFC®

Supplier: MilliporeSigma
Danger

Synonyms: Potash caustic, Caustic potash

1.05032.1000 1.05032.5000
EM1.05032.1000CS 1857.75 USD
EM1.05032.1000 EM1.05032.5000
Potassium hydroxide ≥85.0%, pellets, EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, FCC, E525, SAFC®
Potassium hydroxide

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities).
Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).


Certificaciones: Conforms to Ph Eur, BP, JP, NF, FCC, E525
Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Formula: KOH
MW: 56.11 g/mol
Boiling Pt: 1320 °C (1013 hPa)
Melting Pt: 360 °C
Density: 2.04 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003553
CAS Number: 1310-58-3
EINECS: 215-181-3
UN: 1813
ADR: 8,II
REACH: 01-2119487136-33
Merck Index: 12,07806

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Specification Test Results

Assay (acidimetric, KOH) ≥ 85.0 %
Assay (total alkalinity calc. as KOH) 85.0 - 100.5 %
Assay (K) ≥ 59.9 %
Identity passes test
Appearance of solution passes test
Insoluble substances passes test
Carbonate (as K₂CO₃) ≤ 2.0 %
Chloride (Cl) ≤ 0.008 %
Phosphate (PO₄) ≤ 0.002 %
Silicate (SiO₂) ≤ 0.01 %
Sulfate (SO₄) ≤ 0.005 %
Total nitrogen (N) ≤ 0.0005 %
Heavy metals (as Pb) ≤ 0.0005 %
Al (Aluminium) ≤ 0.001 %
As (Arsenic) ≤ 0.0003 %
Ca (Calcium) ≤ 0.002 %
Cu (Copper) ≤ 0.0005 %
Fe (Iron) ≤ 0.001 %
Hg (Mercury) ≤ 0.00001 %
Na (Sodium) ≤ 1.0 %
Pb (Lead) ≤ 0.0002 %
Zn (Zinc) ≤ 0.0025 %
Residual solvents (Ph Eur/USP/ICH) excluded by manufacturing process

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