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POTASSIUM HYDROXIDE AQUEOUS SOLUTION AR

COAs

Packings

500 ml (00500)

1000 ml (01000)

2500 ml (02500)

2PPB000500 2PPB001000 2PPB002500
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Article No. 5380B Grade AR
Purity 45% CAS No. 1310-58-3
Molecular Formula KOH Molecular Weight 56.11
H.S. Code 2815.2000 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Liquid Colour Clear colorless
pH value Alkaline Boiling point [°C] 100°C
Vapour pressure [20°C] 17.535 mm of Hg (@ 20°C) Vapour pressure mm/Hg 17.535 mm of Hg (@ 20°C)
Vapour density 0.62 Density [g/cm3] 1.3
Solubility in water [% weight] Soluble in water

Specifications

Appearance A clear colourless solution Assay (acidimetric, KOH) 44 - 46% (w/w)
Carbonate (as K2CO3) Max 1% Chloride (Cl) Max 0.002%
Sulphate (SO4) Max 0.0005% Phosphate (PO4) Max 0.0005%
Silicate (SiO2) Max 0.005% Total nitrogen (N) Max 0.0003%
Heavy metal (as Pb) Max 0.0005% Iron (Fe) Max 0.001%
Arsenic (As) Max 0.0001% Magnesium (Mg) Max 0.005%
Copper (Cu) Max 0.001% Calcium (Ca) Max 0.001%
Nickel (Ni) Max 0.0005% Sodium (Na) Max 0.5%

Safety Information and Hazard Symbols

Corrosion Exclamation Mark
Symbol: GHS05, GHS07
 Signal Word: Danger
 UN No.: 1814
 IMCO Class No.: 8
 Packing Group: II
 Hazardous Statement: H302-H314
 Precaution Statement: P280-P305 + P351 + P338-P310
Revision Date: 27-Apr-2015

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