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1.05588

Supelco

Sodium hydroxide solution min. 10% (1.11)

for analysis EMSURE®

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

vapor pressure

3 mmHg ( 37 °C)

Quality Level

product line

EMSURE®

form

liquid

concentration

10.0-10.5% NaOH

impurities

≤0.0001% Total nitrogen (N)
≤0.0005% Al (Aluminium)
≤0.0005% Chloride (Cl)
≤0.0005% Fe (Iron)
≤0.0005% Heavy metals (as Pb)
≤0.0005% Phosphate (PO4)
≤0.0005% Sulphate (SO?)
≤0.001% Silicate (SiO2)
≤1% Carbonate (as Na2CO3)

pH

13.8 (20 °C in H2O)

density

1.11 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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1 of 4

This Item
1.113601.055931.05591
Sodium hydroxide solution 21% for analysis EMSURE®

1.05593

Sodium hydroxide solution 21%

Quality Level

300

Quality Level

300

Quality Level

300

Quality Level

300

form

liquid

form

-

form

liquid

form

liquid

pH

13.8 (20 °C in H2O)

pH

14 (20 °C, 89 g/L in H2O)

pH

>11 (20 °C in H2O)

pH

14 (20 °C in H2O)

storage temp.

15-25°C

storage temp.

15-25°C

storage temp.

2-30°C

storage temp.

2-30°C

vapor pressure

3 mmHg ( 37 °C)

vapor pressure

3 mmHg ( 37 °C)

vapor pressure

3 mmHg ( 37 °C)

vapor pressure

3 mmHg ( 37 °C)

Analysis Note

Assay (acidimetric): 10.0 - 10.5 %
Carbonate (as Na₂CO₃): ≤ 1 %
Chloride (Cl): ≤ 0.0005 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.001 %
Sulphate (SO₄): ≤ 0.0005 %
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

pictograms

Corrosion

signalword

Danger

Hazard Classifications

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

Storage Class

8B - Non-combustible, corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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