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71690 SAFC

Sodium hydroxide

puriss. p.a., ACS reagent, K ≤0.02%, ≥98.0% (T), pellets

Synonym: ‘Caustic soda’

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Properties

Related Categories ACS Grade Acids & Bases, Acids & Bases, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography,
grade   ACS reagent
vapor density   >1 (vs air)
vapor pressure   <18 mmHg ( 20 °C)
  3 mmHg ( 37 °C)
InChI Key   HEMHJVSKTPXQMS-UHFFFAOYSA-M
grade   puriss. p.a.
assay   ≥98.0% (T)
form   pellets
impurities   ≤0.0003% total nitrogen (N)
  ≤0.0005% silicon dioxide (SiO2)
  ≤1.0% sodium carbonate (Na2CO3)
mp   318 °C (lit.)
solubility   water: soluble 1,260 g/L at 20 °C
anion traces   chloride (Cl-): ≤10 mg/kg
  phosphate (PO43-): ≤5 mg/kg
  sulfate (SO42-): ≤5 mg/kg
cation traces   Ag: ≤5 mg/kg
  Al: ≤5 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤5 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  Hg: ≤0.1 mg/kg
  K: ≤200 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Tl: ≤5 mg/kg
  Zn: ≤5 mg/kg

Description

General description

Sodium hydroxide (NaOH) is an inorganic base. It 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 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 following compounds:
• alkylaryl amidosulfobetaines
• (3-[ 4-teroctylphenoxyethoxyethoxyethyl] dimethylammonio propane sulfonate (XOSB)
• trisulfobetaines (TriSBn)

Packaging

1, 5 kg in poly bottle

500 g in poly bottle

Other Notes

Reagent for the decomposition of silicates by fusion

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1823 8 / PGII
WGK Germany 
1
RTECS 
WB4900000

Documents

Certificate of Analysis

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Protocols & Articles

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References

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