243558
碳酸钾 倍半水合物
99%, ACS reagent
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线性分子式:
K2CO3 · 1.5H2O
化学文摘社编号:
分子量:
165.23
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
EC Number:
209-529-3
NACRES:
NA.21
Assay:
98.5-101.0% (ACS specification), 99%
Grade:
ACS reagent
Form:
crystals or granules, (Powder or Crystals or Granules or Chunks)
grade
ACS reagent
Quality Segment
assay
98.5-101.0% (ACS specification), 99%
form
crystals or granules, (Powder or Crystals or Granules or Chunks)
impurities
≤0.001% N compounds, ≤0.004% S compounds (as SO42-), ≤0.005% silica, ≤0.01% NH4OH pptd., ≤0.01% insolubles
loss
14.0-16.5% loss on heating
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
O.O.O.[K+].[K+].[K+].[K+].[O-]C([O-])=O.[O-]C([O-])=O
InChI key
WWVGGBSGYNQKCY-UHFFFAOYSA-J
General description
Crystals of potassium carbonate sesquihydrate belong to the monoclinic crystal system and space group C2/c.
Application
Potassium carbonate sesquihydrate can be used as a sorbent for the removal of CO2 from flue gas in precombustion process. It may be employed as a base in the cross-coupling of benzene boronic acid with benzoyl chloride in the presence of deposited Pd catalysts to give benzophenone.
It may also be used as one of the reaction components in the preparation of:
It may also be used as one of the reaction components in the preparation of:
- 1,2,3-triethylimidazolium
- 1,2,3-triethyl-4-methylimidazolium
- 2-ethyl-1,3,4-trimethylimidazolium
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable