Potassium hydroxide ≥85.0%, pellets, EMPROVE® ESSENTIAL Ph. Eur., BP, JP, NF, FCC, E525, SAFC®
Supplier: MilliporeSigma
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Danger
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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 |
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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