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Merck
CN

06005

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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关于此项目

线性分子式:
KOH
化学文摘社编号:
1310-58-3
分子量:
56.11
UNSPSC Code:
12352106
eCl@ss:
38100303
PubChem Substance ID:
329748189
EC Number:
215-181-3
NACRES:
NA.21
MDL number:
MFCD00003553
Assay:
85-100.5%
Form:
pellets

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产品名称

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

SMILES string

[OH-].[K+]
[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

vapor pressure

1 mmHg ( 719 °C)

grade

puriss.

assay

85-100.5%

form

pellets

quality

meets analytical specification of Ph. Eur., BP

impurities

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

pH

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

anion traces

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

cation traces

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

Quality Level

200

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相关类别

General description

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。

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

存储类别

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

危险化学品
此项目有

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SDBB6456
SDBB5615
SDBB2978
SDBB0683
STBL4126

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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)
Ji-Tai Li et al.
Ultrasonics sonochemistry, 9(5), 237-239 (2002-10-10)
Claisen-Schmidt condensation of acetophenone with aromatic aldehydes catalyzed by pulverized KOH and KF-Al2O3 results chalcones in 52-97% and 83-98% yields respectively in alcoholic solvent under ultrasound irradiation.
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