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1.04926

Supelco

Potassium carbonate-1.5-hydrate

99.995 Suprapur®

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Synonym(s):
Potassium carbonate-1.5-hydrate
Empirical Formula (Hill Notation):
CK2O3 · 1.5H2O
CAS Number:
Molecular Weight:
165.23
EC Index Number:
209-529-3

grade

for inorganic trace analysis

Quality Level

Assay

99.995%

form

solid

potency

>2000 mg/kg LD50, oral (Rat)

mp

891 °C (anhydrous substance)

solubility

1300 g/L

storage temp.

2-30°C

InChI

1S/CH2O3.2K.H2O/c2-1(3)4;;;/h(H2,2,3,4);;;1H2

InChI key

DQBSRQFEADGUIW-UHFFFAOYSA-N

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1.936321.936981.04854
Supelco

Supelco

1.93632

Potassium carbonate

assay

99.995%

assay

-

assay

-

assay

≥99.5% (acidimetric), 99.7-100.5% dry basis (acidimetric)

form

solid

form

-

form

-

form

powder or crystals

mp

891 °C (anhydrous substance)

mp

-

mp

-

mp

-

solubility

1300 g/L

solubility

-

solubility

-

solubility

362 g/L

Quality Level

100

Quality Level

-

Quality Level

-

Quality Level

300

Analysis Note

Purity (metallic): ≥ 99.995 %
K₂CO₃ contents: ≥ 80.0 %
Chloride (Cl): ≤ 10 ppm
Fluoride (F): ≤ 5 ppm
Phosphate (PO₄): ≤ 0.05 ppm
Silicate (as SiO₂): ≤ 5 ppm
Sulfate (SO₄): ≤ 10 ppm
Al (Aluminium): ≤ 0.05 ppm
As (Arsenic): ≤ 0.05 ppm
B (Boron): ≤ 0.5 ppm
Ba (Barium): ≤ 5.0 ppm
Ca (Calcium): ≤ 0.50 ppm
Cd (Cadmium): ≤ 0.010 ppm
Ce (Cerium): ≤ 0.010 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): ≤ 0.05 ppm
La (Lanthanum): ≤ 0.010 ppm
Li (Lithium): ≤ 0.2 ppm
Mg (Magnesium): ≤ 0.10 ppm
Mn (Manganese): ≤ 0.050 ppm
Na (Sodium): ≤ 10 ppm
Ni (Nickel): ≤ 0.050 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

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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