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Merck

306568

Sigma-Aldrich

氢氧化钾

semiconductor grade, pellets, 99.99% trace metals basis (Purity excludes sodium content.)

别名:

苛性钾

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About This Item

线性分子式:
KOH
CAS号:
分子量:
56.11
EC號碼:
MDL號碼:
分類程式碼代碼:
12352106
eCl@ss:
38100303
PubChem物質ID:
NACRES:
NA.21

等級

semiconductor grade

品質等級

蒸汽壓力

1 mmHg ( 719 °C)

化驗

99.99% trace metals basis (Purity excludes sodium content.)

形狀

pellets

成份

KOH, >85.0%

雜質

15% water

pH值

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

正離子痕跡

Na: ≤500.0 ppm

SMILES 字串

[OH-].[K+]

InChI

1S/K.H2O/h;1H2/q+1;/p-1

InChI 密鑰

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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一般說明

氢氧化钾(KOH)又称苛性钾。它被用作许多含钾产品的重要前体。

應用

与碲粉结合,介导芳香族羰基化合物的吡那酮化反应。
氢氧化钾可用于:
  • 作为碱,从胺和乙醇合成亚胺。
  • 作为仲醇与伯醇β-烷基化反应的碱,无需任何过渡金属催化剂。
  • 结合铝用于芳香醛的吡啶化和受阻酮的还原。
  • 作为沉淀剂,采用改性水热法制备 MnZn 铁氧体纳米粒子(Mn0.8Zn0.2Fe2O4铁氧体纳米粒子)。

象形圖

CorrosionExclamation mark

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

儲存類別代碼

8A - Combustible corrosive hazardous materials

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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Qilun Wang et al.
Nature communications, 11(1), 4246-4246 (2020-08-28)
Water electrolysis offers a promising energy conversion and storage technology for mitigating the global energy and environmental crisis, but there still lack highly efficient and pH-universal electrocatalysts to boost the sluggish kinetics for both cathodic hydrogen evolution reaction (HER) and
Ian T McCrum et al.
The journal of physical chemistry. C, Nanomaterials and interfaces, 122(29), 16756-16764 (2018-09-28)
The effect of the alkali-metal cation (Li+, Na+, K+, and Cs+) on the non-Nernstian pH shift of the Pt(554) and Pt(533) step-associated voltammetric peak is elucidated over a wide pH window (1-13), through computation and experiment. In conjunction with our
Haochen Zhang et al.
Nature communications, 10(1), 3340-3340 (2019-07-28)
Electroreduction of carbon dioxide to hydrocarbons and oxygenates on copper involves reduction to a carbon monoxide adsorbate followed by further transformation to hydrocarbons and oxygenates. Simultaneous improvement of these processes over a single reactive site is challenging due to the
Takahiro Naito et al.
ChemSusChem, 13(22), 5921-5933 (2020-09-03)
Hydrogen production from renewable energy and ubiquitous water has a potential to achieve sustainability, although current water electrolyzers cannot compete economically with the fossil fuel-based technology. Here, we evaluate water electrolysis at pH 7 that is milder than acidic and alkaline
Maria D Cabezas et al.
Methods in cell biology, 119, 261-276 (2014-01-21)
The extracellular matrix (ECM) is a complex, spatially inhomogeneous environment that is host to myriad cell-receptor interactions that promote changes in cell behavior. These biological systems can be probed and simulated with engineered surfaces, but doing so demands careful control

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