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05211 Sigma-Aldrich

Sodium hydroxide solution

purum, ≥32%

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Properties

Related Categories Acids & Bases, Bases, Chemical Synthesis, Essential Chemicals, Inorganic Bases,
Quality Level   200
vapor pressure   3 mmHg ( 37 °C)
grade   purum
assay   ≥32%
form   solution
application(s)   titration: suitable
impurities   ≤0.001% heavy metals (as Pb)
pH   14
density   1.327 g/cm3 at 25 °C
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Fe: ≤20 mg/kg
SMILES string   [OH-].[Na+]
InChI   1S/Na.H2O/h;1H2/q+1;/p-1
InChI key   HEMHJVSKTPXQMS-UHFFFAOYSA-M

Description

General description

Sodium hydroxide participates in the oxidation of glycerol catalyzed by Au/charcoal or Au/graphite. It also participates in solvent-free aldol condensation reaction.

Application

Sodium hydroxide may be employed for the determination 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 compose citrate buffer and borate buffers. It may be used in the synthesis of :
• alkylaryl amidosulfobetaines
• (3-[4-teroctylphenoxyethoxyethoxyethyl] dimethylammonio propane sulfonate (XOSB)
• trisulfobetaines (TriSBn)

Other Notes

The article number 05211-4X2.5L will be discontinued. Please order the single bottle 05211-2.5L which is physically identical with the same exact specifications.
The article number 05211-4X5L will be discontinued. Please order the single bottle 05211-5L which is physically identical with the same exact specifications.

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 1824 8 / PGII
WGK Germany 
WGK 1
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles

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