MilliporeSigma
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1.11360

Supelco

Sodium hydroxide solution min. 45%

for analysis EMSURE®

Synonym(s):
Sodium hydroxide solution
Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
MDL number:

Quality Level

vapor pressure

3 mmHg ( 37 °C)

product line

EMSURE®

concentration

45.0-50.0% NaOH

impurities

≤0.00001% Hg (Mercury)
≤0.0002% Al (Aluminium)
≤0.0005% Ca (Calcium)
≤0.0005% Mg (Magnesium)
≤0.005% Sulfate (SO4)
≤0.006% Chloride (Cl)
≤0.2% Carbonate (as Na2CO3)

pH

14 (20 °C, 89 g/L in H2O)

bp

135 °C/1013 hPa

density

1.48 g/cm3 at 20 °C

storage temp.

15-25°C

SMILES string

[OH-].[Na+]

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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Analysis Note

Assay (acidimetric,NaOH): 45.0 - 50.0 %
Carbonate (as Na₂CO₃): ≤ 0.2 %
Chloride (Cl): ≤ 0.006 %
Sulfate (SO₄): ≤ 0.005 %
Al (Aluminium): ≤ 0.0002 %
Ca (Calcium): ≤ 0.0005 %
Hg (Mercury): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.0005 %

Legal Information

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

Pictograms

Corrosion

Signal Word

Danger

Hazard 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

Certificate of Analysis

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Certificate of Quality

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