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Merck
CN

06005

Sigma-Aldrich

氢氧化钾

puriss., meets analytical specification of Ph. Eur., BP, 85-100.5%, pellets

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 号:
MDL编号:
UNSPSC代码:
12352106
eCl@ss:
38100303
PubChem化学物质编号:
NACRES:
NA.21

蒸汽压

1 mmHg ( 719 °C)

质量水平

等级

puriss.

检测方案

85-100.5%

形式

pellets

质量

meets analytical specification of Ph. Eur., BP

杂质

residual solvents, complies
≤0.0005% heavy metals (as Pb)
≤0.0005% total nitrogen (N)
≤1% K2CO3

pH值(酸碱度)

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

痕量阴离子

chloride (Cl-): ≤50 mg/kg
phosphate (PO43-): ≤10 mg/kg
silicate (as SiO2): ≤100 mg/kg
sulfate (SO42-): ≤20 mg/kg

痕量阳离子

Al: ≤10 mg/kg
As: ≤3 mg/kg
Ca: ≤20 mg/kg
Fe: ≤10 mg/kg
Na: ≤1%

SMILES字符串

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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一般描述

氢氧化钾是一种无机化合物,俗称苛性钾。它常用于中和酸和制备试剂的钾盐。此外,NaOH 还用于各种大规模应用。

象形图

CorrosionExclamation mark

警示用语:

Danger

危险声明

危险分类

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

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

危险化学品

分析证书(COA)

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Yuewang Huang et al.
Optics express, 23(5), 6780-6786 (2015-04-04)
We demonstrate a novel technique to fabricate sub-micron silicon nitride waveguides using conventional contact lithography with MEMS-grade photomasks. Potassium hydroxide anisotropic etching of silicon facilitates line reduction and roughness smoothing and is key to the technique. The fabricated waveguides is
Aldol condensation in gaseous phase by zeolite catalysts.
Wierzchowski PT and Zatorski LW.
Catalysis Letters, 9(5-6), 411-414 (1991)
Rokas Drevinskas et al.
Optics express, 23(2), 1428-1437 (2015-04-04)
Surface texturing is demonstrated by the combination of wet etching and ultrafast laser nanostructuring of silica glass. Using potassium hydroxide (KOH) at room temperature as an etchant of laser modified glass, we show the polarization dependent linear increase in retardance
Kinetics of palm oil transesterification in a batch reactor.
Darnoko D and Cheryan M.
Journal of the American Oil Chemists' Society, 77(12), 1263-1267 (2000)
Saeid Baroutian et al.
Bioresource technology, 102(2), 1095-1102 (2010-10-05)
In this study, a novel continuous reactor has been developed to produce high quality methyl esters (biodiesel) from palm oil. A microporous TiO2/Al2O3 membrane was packed with potassium hydroxide catalyst supported on palm shell activated carbon. The central composite design

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