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Merck

484024

Hidróxido de sodio

reagent grade, 97%, flakes

Sinónimos:

«Sosa cáustica»

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Fórmula lineal:
NaOH
Número CAS:
Peso molecular:
40.00
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352316
EC Number:
215-185-5
MDL number:

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Nombre del producto

Hidróxido de sodio, reagent grade, 97%, flakes

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

InChI

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

SMILES string

[OH-].[Na+]

grade

reagent grade

agency

suitable for DIN 38407-42
suitable for EPA 533
suitable for EPA 8327
suitable for EPA OTM-45

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

assay

97%

form

flakes

technique(s)

titration: suitable

mp

318 °C (lit.)

solubility

water: soluble 1260 g/L at 20 °C

density

2.13 g/cm3

application(s)

PFAS testing

Quality Level

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Este artículo
22146579542906203
grade

reagent grade

grade

ACS reagent

grade

ACS reagent, anhydrous

grade

-

assay

97%

assay

≥97.0%

assay

≥97%

assay

98-100.5%

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

200

agency

suitable for DIN 38407-42, suitable for EPA 8327, suitable for EPA 533, suitable for EPA OTM-45

agency

suitable for DIN 38407-42, suitable for EPA 1621, suitable for EPA 533, suitable for EPA 8327, suitable for EPA OTM-45, suitable for SM 4500 - NH3

agency

suitable for DIN 38407-42, suitable for EPA 1621, suitable for EPA 533, suitable for EPA 8327, suitable for EPA OTM-45, suitable for SM 4500 - NH3

agency

-

form

flakes

form

pellets

form

pellets

form

pellets

solubility

water: soluble 1260 g/L at 20 °C

solubility

water: soluble 1,260 g/L at 20 °C

solubility

water: soluble 1260 g/L at 20 °C

solubility

water: soluble 1260 g/L at 20 °C

Application

Sodium hydroxide (NaOH) has been used to trap the hydrogen bromide gas released during the photo-bromination of 4-nitro-o-xylene.[1]
It may be used in the following processes:
  • Boehm′s titration[2]
  • dissolution testing[3]
  • pH adjustment during the silver nanoparticles synthesis[4]

General description

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.[5] NaOH when coupled with thermal desorption is reported to improve the degradation of polychlorinated biphenyl (PCB) in PCB contaminated soil.[1] The efficiency of the aqueous solution of sodium citrate (Na3Ci) and sodium hydroxide (NaOH) to dissolve SO2 has been investigated.[6]

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

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

Clase de almacenamiento

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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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)
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.
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)
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

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