209619
碳酸钾
ACS reagent, ≥99.0%
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关于此项目
线性分子式:
K2CO3
化学文摘社编号:
分子量:
138.21
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
209-529-3
Beilstein/REAXYS Number:
4267587
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
powder or crystals
grade
ACS reagent
Quality Level
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
碳酸钾是一种无机碱。作为碱参与 palladacycle 催化的氯苯与苯乙烯的 Heck 反应。向 K2CO3（溶剂）中加入氨基酸（甘氨酸、肌氨酸和脯氨酸）可促进 CO2 的吸收。
Application
碳酸钾被用于制备双磺化双（4-（3-氨基苯氧基）苯基）砜（一种二磺化二胺单体）。
它可用于以下研究：
它可用于以下研究：
- 作为合成多取代碘苯衍生物的试剂。
- 作为合成由各种双酚衍生的高分子量均聚物和共聚物的基础。
- 作为芳基卤化物与芳基硼酸的 Suzuki 偶联的碱基。
- 苯乙烯和溴苯的 Heck 反应。
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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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
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
A kinetic study of CO2 capture with potassium carbonate solutions promoted with various amino acids: glycine, sarcosine and proline.
Thee H, et al.
International Journal of Greenhouse Gas Control, 20, 212-222 (2014)
Polyamide interfacial composite membranes prepared from m-phenylene diamine, trimesoyl chloride and a new disulfonated diamine.
Xie W, et al.
Journal of Membrane Science, 403, 152-161 (2012)
Chelating N-heterocyclic carbene ligands in palladium-catalyzed Heck-type reactions.
Herrmann WA, et al.
Journal of Organometallic Chemistry, 557(1), 93-96 (1998)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 209619-100G | 04061835346592 |
| 209619-12KG | 04061838151506 |
| 209619-2.5KG | 04061838770820 |
| 209619-500G | 04061838770837 |