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Merck

12611

Potassium carbonate

meets analytical specification of Ph. Helv., puriss., anhydrous, granulated, 99-101% (calc. to the dried substance)

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About This Item

Linear Formula:
K2CO3
CAS Number:
Molecular Weight:
138.21
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
209-529-3
Beilstein/REAXYS Number:
4267587
MDL number:
Assay:
99-101% (calc. to the dried substance)
Form:
powder or crystals
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Quality Segment

grade

puriss.

assay

99-101% (calc. to the dried substance)

form

powder or crystals

quality

granulated, meets analytical specification of Ph. Helv.

impurities

residual solvents, complies, ≤0.001% heavy metals (as Pb)

loss

≤1% loss on drying, 120 °C, 5 h

pH

11-13 (25 °C, 138 g/L)

mp

891 °C (lit.)

anion traces

chloride (Cl-): ≤20 mg/kg, sulfate (SO42-): ≤20 mg/kg

cation traces

As: ≤1 mg/kg, Ca: ≤50 mg/kg, Fe: ≤10 mg/kg, Mg: ≤50 mg/kg, Na: ≤2000 mg/kg

suitability

complies for appearance of solution

SMILES string

[K+].[K+].[O-]C([O-])=O

InChI

1S/CH2O3.2K/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

InChI key

BWHMMNNQKKPAPP-UHFFFAOYSA-L



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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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