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Sigma-Aldrich

Natriumhydroxid

reagent grade, 97%, flakes

Synonym(e):

‘Caustic Soda’

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About This Item

Lineare Formel:
NaOH
CAS-Nummer:
1310-73-2
Molekulargewicht:
40.00
EG-Nummer:
215-185-5
MDL-Nummer:
MFCD00003548
UNSPSC-Code:
12352316
PubChem Substanz-ID:
329757371
NACRES:
NA.21

Qualität

reagent grade

Qualitätsniveau

100

Agentur

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

Dampfdichte

>1 (vs air)

Dampfdruck

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

Assay

97%

Form

flakes

Methode(n)

titration: suitable

mp (Schmelzpunkt)

318 °C (lit.)

Löslichkeit

water: soluble 1260 g/L at 20 °C

Dichte

2.13 g/cm3

SMILES String

[OH-].[Na+]

InChI

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

InChIKey

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Allgemeine Beschreibung

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.

Anwendung

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

Piktogramme

Corrosion
GHS05

Signalwort

Danger

H-Sätze

H290,H314

Gefahreneinstufungen

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

Lagerklassenschlüssel

8B - Non-combustible corrosive hazardous materials

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Solubility of SO2 in aqueous blend of sodium citrate and sodium hydroxide.
Mondal MK, et al.
Fluid Phase Equilibria, 349, 56-60 (2013)
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)
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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