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105002 Potassium hydroxide hydrate


Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
26288-25-5246-324-8HKO * H₂OKOH * H₂O74.13 g/mol


Catalog NumberPackaging Qty/Pack
1050020500 Plastic bottle 500 g
Catalogue Number105002
Synonymscaustic potash monohydrate
Product Information
CAS number26288-25-5
EC index number019-002-00-8
EC number246-324-8
Hill FormulaHKO * H₂O
Chemical formulaKOH * H₂O
Molar Mass74.13 g/mol
HS Code2815 20 00
Quality LevelMQ100
ApplicationPotassium hydroxide hydrate 99.995 Suprapur®. CAS No. 26288-25-5, EC Number 246-324-8.
Biological Information
Physicochemical Information
Boiling point1320 °C (1013 hPa)
Melting Point143 °C
pH value>13.5 (50 g/l, H₂O, 20 °C)
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 333 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H290: May be corrosive to metals.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
Precautionary Statement(s)P234: Keep only in original packaging.
P260: Do not breathe dust.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal WordDanger
Storage class8A Combustible, corrosive hazardous materials
WGKWGK 1 slightly hazardous to water
Bases and alcoholates should be diluted if necessary by carefully stirring them into water and then neutralized (protective gloves, fume cupboard!) with hydrochloric acid (Cat. No. 100312). Before placing in container D, check the pH with pH universal indicator strips (Cat. No. 109535).
Safety Information
Categories of dangerharmful, corrosive
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 1813 , 8, II
Declaration (transport by air) IATA-DGRUN 1813 , 8, II
Declaration (transport by sea) IMDG-CodeUN 1813 , 8, II, Segregation Group: 18 (Alkalis)
Supplemental Information
Purity (metallic)≥ 99.995 %
Assay of KOH‧1H₂O≥ 85 %
Assay of potassium carbonate≤ 1.0 %
Chloride (Cl)≤ 1.0 ppm
Phosphate (PO₄)≤ 0.05 ppm
Silicate (as SiO₂)≤ 5 ppm
Sulfate (SO₄)≤ 5 ppm
Al (Aluminium)≤ 0.05 ppm
As (Arsenic)≤ 0.1 ppm
Ba (Barium)≤ 10.0 ppm
Ca (Calcium)≤ 0.5 ppm
Cd (Cadmium)≤ 0.01 ppm
Ce (Cerium)≤ 0.01 ppm
Co (Cobalt)≤ 0.010 ppm
Cr (Chromium)≤ 0.010 ppm
Cu (Copper)≤ 0.010 ppm
Eu (Europium)≤ 0.010 ppm
Fe (Iron)≤ 0.05 ppm
Hg (Mercury)≤ 0.01 ppm
La (Lanthanum)≤ 0.010 ppm
Li (Lithium)≤ 0.5 ppm
Mg (Magnesium)≤ 0.10 ppm
Mn (Manganese)≤ 0.050 ppm
Na (Sodium)≤ 5 ppm
Ni (Nickel)≤ 0.010 ppm
Pb (Lead)≤ 0.010 ppm
Sc (Scandium)≤ 0.010 ppm
Sm (Samarium)≤ 0.010 ppm
Sr (Strontium)≤ 0.50 ppm
Tl (Thallium)≤ 0.01 ppm
Y (Yttrium)≤ 0.010 ppm
Yb (Ytterbium)≤ 0.010 ppm
Zn (Zinc)≤ 0.050 ppm
Global Trade Item Number
Catalog Number GTIN
1050020500 04022536059211


Potassium hydroxide hydrate SDS


Safety Data Sheet (SDS) 

Potassium hydroxide hydrate Certificates of Analysis

Product Number PackagingSpecificationLot Number
1050020500 Plastic bottlePDF Specification Document