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Merck

60370

Potassium hydroxide

puriss. p.a., ≥86% (T), pellets

동의어(들):

Caustic potash

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
KOH
CAS 번호:
1310-58-3
Molecular Weight:
56.11
PubChem Substance ID:
329758915
eCl@ss:
38100303
UNSPSC Code:
12352106
NACRES:
NA.21
EC Number:
215-181-3
MDL number:
MFCD00003553
Assay:
≥86% (T)
Form:
pellets
Solubility:
alcohol: soluble(lit.), water: soluble(lit.)

주요 문서

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vapor pressure

1 mmHg ( 719 °C)

Quality Level

100

grade

puriss. p.a.

assay

≥86% (T)

form

pellets

impurities

≤0.0005% total nitrogen (N), ≤0.6% potassium carbonate (K2CO3)

pH

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

solubility

alcohol: soluble(lit.), water: soluble(lit.)

anion traces

chloride (Cl-): ≤50 mg/kg, phosphate (PO43-): ≤5 mg/kg, silicate (as SiO2): ≤5 mg/kg, sulfate (SO42-): ≤40 mg/kg

cation traces

Ag: ≤5 mg/kg, Al: ≤5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Hg: ≤0.1 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤5000 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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관련 카테고리

General description

Potassium hydroxide (KOH, Caustic potash) is a base. It is a water absorbing, colorless solid having rhombic crystals. It has been synthesized by reacting potassium carbonate with calcium hydroxide. It is widely employed for the manufacture of dyes and pigments. Pulverized KOH may be used for the preparation of chalcones.

Application

Potassium hydroxide (KOH) may be employed for the following studies:
  • As an etching agent for the laser modified silica glass. It selectively facilitates etching on exposure to femtosecond laser.
  • As a catalyst for the transformation of palm oil along with methanol to methyl esters, via transesterification reaction.
  • Preparation of potassium hydroxide catalyst supported on palm shell activated carbon, which is used for the transesterification of palm oil.
  • To improve the catalytic efficacy of X, Y and ZSM (Zeolite Socony Mobil)-5 zeolites during the synthesis of methyl methacrylate.

Other Notes

Reagent for the decomposition of silicates by fusion

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

저장 등급

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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시험 성적서(COA)

Lot/Batch Number

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문서 라이브러리에서 최근에 구매한 제품에 대한 문서를 찾아보세요.

문서 라이브러리 방문

R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
Tien Duc Pham et al.
Polymers, 12(1) (2020-01-08)
The present study aims to investigate adsorptive removal of molecular ciprofloxacin using protein-modified nanosilica (ProMNS). Protein was successfully extracted from Moringa seeds while nanosilica was synthesized from rice husk. Fourier-transform infrared (FTIR), ultraviolet visible (UV-Vis) and high-performance liquid chromatography (HPLC)
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
Eagleson M.
Concise Encyclopedia Chemistry, 888-888 (1994)
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