Potassium Hydroxide, 5kg

pellets for analysis EMSURE®

Manufacturer: Merck

Catalog ID: 105033.5000

Stock: In Stock

 

Description

Catalogue Number 105033
Synonyms Potash caustic

Product Information

CAS number 1310-58-3
EC index number 019-002-00-8
EC number 215-181-3
Hill Formula HKO
Chemical formula KOH
Molar Mass 56.11 g/mol
HS Code 2815 20 00

Physicochemical Information

Density 2.04 g/cm3 (20 °C)
Melting Point 360 °C
pH value 14 (56 g/l, H₂O, 20 °C)
Solubility 1130 g/l

Toxicological Information

LD 50 oral LD50 Rat 333 mg/kg

Storage and Shipping Information

Storage Store at +5°C to +30°C.

Specifications

Assay (acidimetric, KOH) ≥ 85.0 %
Carbonate (as K₂CO₃) ≤ 1.0 %
Chloride (Cl) ≤ 0.005 %
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 %
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