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Merck

237205

Sigma-Aldrich

碳酸氢钾

ACS reagent, 99.7%, powder, crystals or granules

别名:

碳酸氢钾

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About This Item

线性分子式:
KHCO3
CAS号:
分子量:
100.12
Beilstein:
4535309
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NB.24

等級

ACS reagent

品質等級

化驗

99.7%
99.7-100.5% (ACS specification)

形狀

powder, crystals or granules

雜質

≤0.003% S compounds
≤0.01% insolubles

pH值

8.2 (10.01 g/L)

負離子痕跡

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤5 ppm

正離子痕跡

Ca: ≤0.002%
Fe: ≤5 ppm
Mg: ≤0.001%
NH4+: ≤5 ppm
Na: ≤0.03%
heavy metals (as Pb): ≤5 ppm

SMILES 字串

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

InChI

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

InChI 密鑰

TYJJADVDDVDEDZ-UHFFFAOYSA-M

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一般說明

碳酸氢钾是一种市售的无毒碱,在研究和工业应用中经常用作试剂和pH调节剂。

應用

碳酸氢钾可被用作:      
  • 由环氧丙烷、超临界二氧化碳和甲醇合成碳酸二甲酯和丙二醇的催化剂。在此过程中,KHCO3 还起到干燥剂的作用。      
  • 在二氧化硅负载的氧化钒作为催化剂存在下丙烯环氧化中的掺杂剂。      
  • 通过Ag2CO3 催化炔丙胺的羧化环化合成 Z-5-亚烷基-2-恶唑烷酮的羧基源。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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