1.05002
Potassium hydroxide hydrate
99.995 Suprapur®
Synonyme(s) :
Potassium hydroxide hydrate, caustic potash monohydrate
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A propos de cet article
Formule empirique (notation de Hill) :
HKO · xH2O
Numéro CAS:
Poids moléculaire :
56.11 (anhydrous basis)
MDL number:
UNSPSC Code:
12352305
EC Index Number:
246-324-8
NACRES:
NA.21
Assay:
99.995%
Form:
solid
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description
for inorganic trace analysis
assay
99.995%
form
solid
potency
333 mg/kg LD50, oral (Rat)
pH
>13.5 (20 °C, 50 g/L in H2O)
bp
1320 °C/1013 hPa
mp
143 °C
storage temp.
2-30°C
SMILES string
[K+].[O-H].O
InChI
1S/K.2H2O/h;2*1H2/q+1;;/p-1
InChI key
LUMVCLJFHCTMCV-UHFFFAOYSA-M
Analysis Note
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
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
Legal Information
SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Classe de stockage
8A - Combustible, corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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