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Merck
CN

1.11360

Sodium hydroxide solution

min. 45%, for analysis EMSURE®

Synonym(s):

Sodium hydroxide solution

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About This Item

Linear Formula:
NaOH
CAS Number:
Molecular Weight:
40.00
UNSPSC Code:
12352305
NACRES:
NA.21
MDL number:
Concentration:
45.0-50.0% NaOH
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Product Name

Sodium hydroxide solution min. 45%, for analysis EMSURE®

vapor pressure

3 mmHg ( 37 °C)

Quality Segment

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

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

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


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pictograms

Corrosion

signalword

Danger

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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