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1.06498 Supelco

Sodium hydroxide

pellets for analysis EMSURE®

Synonym: ‘Caustic soda’

  • CAS Number 1310-73-2

  • Linear Formula NaOH

  • Molecular Weight 40.00

  •  MDL number MFCD00003548

  •  EC Index Number 215-185-5

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Properties

Related Categories Acids & Bases, Bases, Chemical Synthesis, Inorganic Bases, Synthetic Reagents More...
Quality Level   300
vapor density   >1 (vs air)
vapor pressure   <18 mmHg ( 20 °C)
  3 mmHg ( 37 °C)
assay   ≥99% NaOH basis (acidimetric)
form   pellets
pH   >14 (20 °C, 100 g/L in H2O)
mp   318 °C (lit.)
solubility   1090 g/L
density   2.13 g/cm3 at 20 °C
anion traces   carbonate (as Na2CO3): ≤1%
  chloride (Cl-): ≤0.012%
  phosphate (PO43-): ≤0.0005%
  silicate (as SiO2): ≤0.001%
  sulfate (SO42-): ≤0.010%
cation traces   Al: ≤0.0005%
  As: ≤0.0001%
  Ca: ≤0.0005%
  Cu: ≤0.0002%
  Fe: ≤0.0005%
  K: ≤0.05%
  Mg: ≤0.0005%
  Ni: ≤0.00025%
  Pb: ≤0.0005%
  Zn: ≤0.001%
  heavy metals (as Pb): ≤0.0005%
SMILES string   [OH-].[Na+]
InChI   1S/Na.H2O/h;1H2/q+1;/p-1
InChI key   HEMHJVSKTPXQMS-UHFFFAOYSA-M
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Assay (acidimetric,NaOH): ≥ 99.0 %
Carbonate (as Na₂CO₃): ≤ 1.0 %
Chloride (Cl): ≤ 0.012 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.010 %
Total nitrogen (N): ≤ 0.0003 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.0005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.05
Mg (Magnesium): ≤ 0.0005 %
Ni (Nickel): ≤ 0.00025 %
Pb (Lead): ≤ 0.0005 %
Zn (Zinc): ≤ 0.001 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Protocols & Articles

Articles

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