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Merck
CN

1.04926

Potassium carbonate-1.5-hydrate

99.995 Suprapur®

Synonym(s):

Potassium carbonate-1.5-hydrate

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About This Item

Empirical Formula (Hill Notation):
CK2O3 · 1.5H2O
CAS Number:
Molecular Weight:
165.23
MDL number:
UNSPSC Code:
12352302
EC Index Number:
209-529-3
NACRES:
NA.21
Assay:
99.995%
Form:
solid
Solubility:
1300 g/L
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Quality Segment

description

for inorganic trace analysis

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

SMILES string

[K].[K].OC(=O)O.O

InChI

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

InChI key

DQBSRQFEADGUIW-UHFFFAOYSA-N

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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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