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Merck
CN

1.05591

Sodium hydroxide solution

min. 27% (1.30), for analysis (for the determination of nitrogen) 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:
≥27.0% (acidimetric)
Form:
liquid
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Product Name

Sodium hydroxide solution min. 27% (1.30), for analysis (for the determination of nitrogen) EMSURE®

vapor pressure

3 mmHg ( 37 °C)

Quality Segment

product line

EMSURE®

form

liquid

concentration

≥27.0% (acidimetric)

impurities

≤0.0001% Total nitrogen (N), ≤0.0005% Al (Aluminium), ≤0.0005% Fe (Iron), ≤0.0005% Heavy metals (as Pb), ≤0.0005% Phosphate (PO4), ≤0.001% Silicate (SiO2), ≤0.003% Sulfate (SO4), ≤0.004% Chloride (Cl), ≤1.0% Carbonate (as Na2CO3)

pH

14 (20 °C in H2O)

density

1.30 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

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

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

Analysis Note

Assay (acidimetric): ≥ 27.0 %
Carbonate (as Na₂CO₃): ≤ 1.0 %
Chloride (Cl): ≤ 0.004 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
Fe (Iron): ≤ 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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