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221465

Hydroxyde de sodium

ACS reagent, ≥97.0%, pellets

Synonyme(s) :

"Soude caustique"

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A propos de cet article

Formule linéaire :
NaOH
Numéro CAS:
1310-73-2
Poids moléculaire :
40.00
NACRES:
NA.21
PubChem Substance ID:
329752270
UNSPSC Code:
12352302
EC Number:
215-185-5
MDL number:
MFCD00003548
Assay:
≥97.0%
Form:
pellets
Grade:
ACS reagent
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grade

ACS reagent

Quality Level

200

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

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C), 3 mmHg ( 37 °C)

assay

≥97.0%

form

pellets

technique(s)

cell culture | mammalian: suitable, titration: suitable

impurities

≤0.001% N compounds, ≤0.02% NH4OH ppt., ≤1.0% Na2CO3

pH

(ca.> 14 at 100 g/l at 20 °C)

mp

318 °C (lit.)

solubility

water: soluble 1,260 g/L at 20 °C

density

2.13 g/cm3 at 20 °C

anion traces

chloride (Cl-): ≤0.005%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.003%

cation traces

Fe: ≤0.001%, Hg: ≤0.1 ppm, K: ≤0.02%, Ni: ≤0.001%, heavy metals (as Ag): ≤0.002%

application(s)

PFAS testing

SMILES string

[OH-].[Na+]

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

General description

Sodium hydroxide (NaOH) also known as caustic soda is a water soluble inorganic base with a wide range of industrial application such as titration, dissolution testing and in impinger to remove acidic gases. It participates in the oxidation of glycerol catalyzed by Au/charcoal or Au/graphite. It participates in solvent-free aldol condensation reaction.

Application

Sodium hydroxide (NaOH) was used in the following processes:
  • Preparation of sodium 3,3′-bis(sulfonato)-4,4′-bis(chloroacetamido)azobenzene (BSBCA) that is utilized in protein cross-linking techniques.
  • Preparation of electrolyte solution to study the effect of electrolyte composition on the conversion of CO2 to CO by electrochemical reduction.
  • Preparation of CSK (cytoskeleton) buffer for the three-dimensional (3D) slide method of preserving the 3D chromatin structure of testicular germ cells.
  • Synthesis of ZSMs (zeolite socony mobils).
Sodium hydroxide may be employed for the deterimination of specific surface area of colloidal silica, via titration. It may be employed for the direct oxidation of sodium borohydride, which was investigated by cyclic and linear voltammetry, chronoamperometry and chronopotentiometry. It may be used to prepare citrate buffer and borate buffer. It may be used in the synthesis of :
  • alkylaryl amidosulfobetaines
  • (3 -[4-teroctylphenoxyethoxyethoxyethyl] dimethylammonio propane sulfonate (XOSB)
  • trisulfobetaines (TriSBn)
Sodium hydroxide may be used as a base in titration methods, dissolution testing, for adjusting pH and in the impinger to remove acidic gases.
It may be used in the following processes:
  • Conversion of glycerol to glyceric acid in the presence of gold catalyst.
  • Palladium-catalyzed cross-coupling reaction between vinylalkoxysilanes and aryl bromides or chlorides to form styrenes.

Other Notes

Go to Redi-Dri™ Product Listing 795429

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pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H290,H314

Hazard Classifications

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

Classe de stockage

8B - Non-combustible corrosive hazardous materials

flash_point_f

Not applicable

flash_point_c

Not applicable

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Selective oxidation of glycerol to glyceric acid using a gold catalyst in aqueous sodium hydroxide.
Carrettin S, et al.
Chemical Communications (Cambridge, England), 7, 696-697 (2002)
The First Fluoride-Free Hiyama Reaction of Vinylsiloxanes Promoted by Sodium Hydroxide in Water.
Alacid E &amp; Najera C
Advanced Synthesis & Catalysis, 348(15), 2085-2091 (2006)
Effect of Cations on the Electrochemical Conversion of CO2 to CO.
Thorson MR, et al.
Journal of the Electrochemical Society, 160(1), F69-F74 (2013)
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Numéro d'article de commerce international

RéférenceGTIN
553425-1G04061837010521
221465-12KG04061838777348
221465-1KG04061835561711
221465-2.5KG04061837733840
221465-25G04061837733857
221465-25KG04061838084040
221465-50KG04061833636534
221465-6X500G04061837733871
221465-500G04061837733864