Sodium hydroxide 50% in aqueous solution, EMSURE® for analysis, Supelco®

Supplier: MilliporeSigma
Danger

Synonyms: Sodium hydrateSoda lyeCaustic sodaLye

M-Clarity™ quality level = MQ300

1.58793.1000 1.58793.9025 1.58793.1000 1.58793.5000 1.58793.9200 1.58793.9025
EM1.58793.5000EA 412 USD
EM1.58793.5000 CA1.58793.9025 CA1.58793.1000 EM1.58793.1000 EM1.58793.9025 EM1.58793.9200
Sodium hydroxide 50% in aqueous solution, EMSURE® for analysis, Supelco®
Sodium hydroxide

Basic cleaning agent (concentration 50%) in premium MilliporeSigma quality. The high purity of these solutions make these sodium liquids suitable above all for cleaning applications in which residues from surfactants or complexation agents are to be avoided.


  • Strongly alkaline liquid
  • Chlorine-free


Through the use of these prepared solutions, the time-consuming and dangerous breakdown of solid sodium hydroxide can be avoided.

Formula: NaOH
MW: 40 g/mol
Boiling Pt: 119…135 °C (1013 hPa)
Melting Pt: 9…10 °C
Density: 1.53 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003548
CAS Number: 1310-73-2
EINECS: 215-185-5
UN: 1824
ADR: 8,II

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Specification Test Results

Al (Aluminium) ≤ 0.0005 %
Assay (acidimetric, as NaOH) 49.0 - 51.0 %
Carbonate (as Na₂CO₃) ≤ 0.2
Chloride (Cl) ≤ 0.01 %
Color (Hazen) ≤ 10 Hazen
Fe (Iron) ≤ 0.0005 %
Heavy metals (as Pb) ≤ 0.0005 %
K (Potassium) ≤ 0.01 %
Phosphate (PO₄) ≤ 0.0005 %
Silicate (SiO₂) ≤ 0.005 %
Sulfate (SO₄) ≤ 0.005 %
Total nitrogen (N) ≤ 0.0003 %

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