Merck
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484024

Sigma-Aldrich

Sodium hydroxide

reagent grade, 97%, flakes

Sinónimos:
‘Caustic soda’
Fórmula lineal:
NaOH
Número de CAS:
Peso molecular:
40.00
Número de EC:
Número MDL:
ID de la sustancia en PubChem:
NACRES:
NA.21

Nivel de calidad

100

grado

reagent grade

densidad de vapor

>1 (vs air)

presión de vapor

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

ensayo

97%

formulario

flakes

technique(s)

titration: suitable

mp

318 °C (lit.)

solubilidad

water: soluble 1260 g/L at 20 °C

densidad

2.13 g/cm3

SMILES string

[OH-].[Na+]

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Descripción general

Sodium hydroxide also known as caustic soda is a water soluble base with a wide range of industrial applications. Purification of diatomite with NaOH enhances its ability to adsorb basic dyes. NaOH when coupled with thermal desorption is reported to improve the degradation of polychlorinated biphenyl (PCB) in PCB contaminated soil. The efficiency of the aqueous solution of sodium citrate (Na3Ci) and sodium hydroxide (NaOH) to dissolve SO2 has been investigated.

Aplicación

Sodium hydroxide (NaOH) has been used to trap the hydrogen bromide gas released during the photo-bromination of 4-nitro-o-xylene.
It may be used in the following processes:
  • Boehm′s titration
  • dissolution testing
  • pH adjustment during the silver nanoparticles synthesis

Envase

1 kg in poly bottle
10, 25 kg in poly drum

pictogramas

Corrosion

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Código de clase de almacenamiento

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Certificado de Análisis

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Certificado de origen

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Synthesis of single crystal hollow silver nanoparticles in a fast reaction-diffusion process.
Ben MA and Markovich G.
Chemistry of Materials, 23(5), 1239-1245 (2011)
Kinetics and equilibrium studies from the methylene blue adsorption on diatomite treated with sodium hydroxide.
Zhang J, et al.
Applied Clay Science, 83, 12-16 (2013)
Solubility of SO2 in aqueous blend of sodium citrate and sodium hydroxide.
Mondal MK, et al.
Fluid Phase Equilibria, 349, 56-60 (2013)
Ravindra S Dhumal et al.
Acta pharmaceutica (Zagreb, Croatia), 56(4), 451-461 (2006-12-01)
The study investigates ibuprofen with wax-like properties as a multifunctional agent (as an active component and as a melt binder). Binding efficiency was compared with granules prepared by wet granulation using polyvinylpyrollidone (PVP K-30) as a binder for micromeritic, physical
Fuat Güzel et al.
Journal of hazardous materials, 153(3), 1275-1287 (2007-11-06)
In this study, the effect of temperature on the adsorption of Mn(II), Ni(II), Co(II) and Cu(II) from aqueous solution by modified carrot residues (MCR) was investigated. The equilibrium contact times of adsorption process for each heavy metals-MCR systems were determined.

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