306568
Potassium hydroxide
semiconductor grade, pellets, 99.99% trace metals basis (Purity excludes sodium content.)
동의어(들):
Caustic potash
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모든 사진(3)
About This Item
Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
EC Number:
MDL number:
UNSPSC 코드:
12352106
eCl@ss:
38100303
PubChem Substance ID:
NACRES:
NA.21
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추천 제품
Grade
semiconductor grade
Quality Level
vapor pressure
1 mmHg ( 719 °C)
분석
99.99% trace metals basis (Purity excludes sodium content.)
양식
pellets
구성
KOH, >85.0%
불순물
15% water
pH
~13.5 (25 °C, 5.6 g/L)
mp
361 °C (lit.)
양이온 미량물
Na: ≤500.0 ppm
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일반 설명
Potassium hydroxide (KOH), also known as caustic potash. It is used as a significant precursor to many potassium containing products.
애플리케이션
In combination with tellurium powder, mediates the quantitative pinacolization of aromatic carbonyl compounds.[1]
Potassium hydroxide can be used:
- As a base in the synthesis of imines, starting from amines and alcohols.
- As a base in β-alkylation of secondary alcohols with primary alcohols without any transition metal catalyst.
- In combination with aluminium for pinacolization of aromatic aldehydes and reduction of hindered ketones.
- As a precipitating agent in the synthesis of MnZn ferrites nanoparticles (Mn0.8Zn0.2Fe2O4 ferrite nanoparticles) by modified hydrothermal method.
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class Code
8A - Combustible corrosive hazardous materials
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
이미 열람한 고객
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
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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
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