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Documentos Principais

30614

Sigma-Aldrich

Hidróxido de potássio

puriss. p.a., ACS reagent, reag. ISO, ≥85%, ≤0.002% Na, pellets

Sinônimo(s):

Potassa cáustica

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About This Item

Fórmula linear:
KOH
Número CAS:
Peso molecular:
56.11
Número CE:
Número MDL:
Código UNSPSC:
12352106
ID de substância PubChem:

grau

ACS reagent
puriss. p.a.

Agency

reag. ISO

pressão de vapor

1 mmHg ( 719 °C)

Ensaio

≥85%

forma

pellets

Impurezas

≤0.0003% total nitrogen (N)
≤0.002% Na
≤1% K2CO3

pf

361 °C (lit.)

traços de ânion

chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤5 mg/kg
silicate (as SiO2): ≤20 mg/kg
sulfate (SO42-): ≤5 mg/kg

traços de cátion

Al: ≤2 mg/kg
Ca: ≤5 mg/kg
Cd: ≤0.1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤5 mg/kg
Mn: ≤0.5 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤1 mg/kg

cadeia de caracteres SMILES

[OH-].[K+]

InChI

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

chave InChI

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Outras notas

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Pictogramas

CorrosionExclamation mark

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

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

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Shao-Long Sun et al.
Carbohydrate polymers, 92(2), 2224-2231 (2013-02-13)
Sweet sorghum stem was successively extracted with water at 90 °C, 0.3, 0.6, 1.0, 1.5, and 2.0% KOH aqueous solution, and 60% ethanol containing 2.5% KOH at 75 °C for 3 h, yielding 76.3% of the original hemicelluloses. Chemical composition
Andreu Fabregat et al.
Steroids, 78(3), 327-336 (2012-12-25)
The occurrence of several polyunsaturated testosterone related compounds (including 4,6-androstadien-3,17-dione and 4,6-androstadien-17β-ol-3-one) in urine after alkaline treatment of the sample has been recently reported. Although several experiments seem to indicate that they are testosterone metabolites, their origin is still unknown.
Rui-Lin Liu et al.
The Analyst, 137(21), 5135-5143 (2012-09-13)
A rapid and practical microwave-assisted one-step extraction-derivatization (MAED) method was developed for gas chromatography-mass spectrometry analysis of fatty acids profile in herbal medicine. Several critical experimental parameters for MAED, including reaction temperature, microwave power and the amount of derivatization reagent
Rajat Sharma et al.
Applied biochemistry and biotechnology, 169(3), 761-772 (2013-01-01)
Chemical pretreatment of lignocellulosic biomass has been extensively investigated for sugar generation and subsequent fuel production. Alkaline pretreatment has emerged as one of the popular chemical pretreatment methods, but most attempts thus far have utilized NaOH for the pretreatment process.
In-Seek Jeong et al.
Journal of food science, 77(10), C1042-C1046 (2012-09-18)
In this study, nonheated saponification was employed as a novel, rapid, and easy sample preparation method for the determination of cholesterol in emulsified foods. Cholesterol content was analyzed using gas chromatography with a flame ionization detector (GC-FID). The cholesterol extraction

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