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About This Item
Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.21
Recommended Products
vapor pressure
3 mmHg ( 37 °C)
Quality Level
grade
purum
form
solution
concentration
≥32%
technique(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
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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.
The article number 05211-4X5L will be discontinued. Please order the single bottle 05211-5L which is physically identical with the same exact specifications.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class Code
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Glycerol is oxidised to glyceric acid with 100% selectivity using either 1% Au/charcoal or 1% Au/graphite catalyst under mild reaction conditions (60 degrees C, 3 h, water as solvent).
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