If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
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For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
209619
Potassium carbonate
ACS reagent, ≥99.0%
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
100 g | Check Cart for Availability | $63.90 |
500 g | Check Cart for Availability | $115.00 |
2.5 kg | Check Cart for Availability | $398.00 |
12 kg | Check Cart for Availability | $1,050.00 |
About This Item
$63.90
grade
ACS reagent
Quality Segment
assay
≥99.0%
form
powder or crystals
impurities
≤0.004% S compounds as (SO42-) , ≤0.005% silica, ≤0.01% insolubles
pH
11-13 (25 °C, 138 g/L)
mp
891 °C (lit.)
anion traces
chloride (Cl-): ≤0.003%, phosphate (PO43-): ≤0.001%
cation traces
Ca: ≤0.005%, Fe: ≤5 ppm, Mg: ≤0.002%, Na: ≤0.02%, heavy metals: ≤5 ppm (by ICP-OES)
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
General description
Application
It may be used in the following studies:
- As a reagent in the synthesis of polysubstituted iodobenzene derivatives.[1]
- As a base for the synthesis of high molecular weight homopolymers and copolymers derived from various bisphenols.
- As a base for the Suzuki coupling of aryl halides with aryl boronic acids.
- The Heck reaction of styrene and bromobenzene.
Other Notes
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| form powder or crystals | form powder or crystals | form solid | form powder |
| assay ≥99.0% | assay ≥99.0% (T) | assay 99% | assay ≥99.0% |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| grade ACS reagent | grade ACS reagent, puriss. p.a. | grade - | grade - |
| anion traces chloride (Cl-): ≤0.003%, phosphate (PO43-): ≤0.001% | anion traces chloride (Cl-): ≤30 mg/kg, phosphate (PO43-): ≤10 mg/kg, silicate (as SiO2): ≤50 mg/kg | anion traces - | anion traces chloride (Cl-): ≤0.005%, sulfate (SO42-): ≤0.02% |
| mp 891 °C (lit.) | mp 891 °C (lit.) | mp 891 °C (lit.) | mp 891 °C (lit.) |
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signalword
Warning
hcodes
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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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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