Potassium hydroxide pellets for analysis EMSURE®


Catalogue Number105033
SynonymsPotash caustic

Product Information

CAS number1310-58-3
EC index number019-002-00-8
EC number215-181-3
Hill FormulaHKO
Chemical formulaKOH
Molar Mass56.11 g/mol
HS Code2815 20 00
Quality LevelMQ300


Assay (acidimetric, KOH)≥ 85.0 %
Carbonate (as K₂CO₃)≤ 1.0 %
Chloride (Cl)≤ 0.01 %
Phosphate (PO₄)≤ 0.0005 %
Silicate (SiO₂)≤ 0.005 %
Sulfate (SO₄)≤ 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 %

Safety Information

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 or mist.
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).