900502
碳酸钾
anhydrous, free-flowing, −325 mesh, Redi-Dri™, reagent grade, ≥98%
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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:
≥98%
Grade:
anhydrous, reagent grade
Form:
powder
Quality Level
grade
anhydrous, reagent grade
product line
Redi-Dri™
assay
≥98%
form
powder
quality
free-flowing
particle size
−325 mesh
pH
11-13 (25 °C, 138 g/L)
mp
891 °C (lit.)
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。它可作为碱参与环钯配合物催化的氯苯与苯乙烯的Heck反应。
Application
碳酸钾用于以下研究：
- 多取代碘苯衍生物的合成。
- 作为合成高分子量均聚物和各种双酚衍生物的共聚物的基础。
- 作为芳基卤化物与芳基硼酸的 Suzuki 偶联的碱基。
- 作为苯乙烯和溴苯 Heck 反应的基础。
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
商品
Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.
Chelating N-heterocyclic carbene ligands in palladium-catalyzed Heck-type reactions.
Herrmann WA, et al.
Journal of Organometallic Chemistry, 557(1), 93-96 (1998)
Heck reaction catalyzed by phospha-palladacycles in non-aqueous ionic liquids.
Herrmann WA and Bohm VPW.
Journal of Organometallic Chemistry, 572(1), 141-145 (1999)
Heck reaction using palladium complexed to dendrimers on silica.
Alper H, et al.
Canadian Journal of Chemistry, 78(6), 920-924 (2000)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 900502-12KG | 04061832581446 |
| 900502-1KG | 04061824806748 |
| 900502-2.5KG | 04061832581453 |
| 900502-500G | 04061832581460 |