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Merck
CN

1.05588

Sodium hydroxide solution

min. 10% (1.11), 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:
10.0-10.5% NaOH
Form:
liquid
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Product Name

Sodium hydroxide solution min. 10% (1.11), for analysis EMSURE®

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)

solubility

water: soluble

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

Application


  • Efficient Removal of Aqueous Heavy Metals: A study leveraging sodium hydroxide solution (minimum 10%) in the preparation of Na/N co-doped seaweed biochar composites for the removal of Pb(II) and Cu(II) from water. This research underscores the role of sodium hydroxide in environmental remediation technologies (Fu et al., 2024).

  • Acute Esophagitis Model: Sodium hydroxide solution is utilized in the treatment of acute esophagitis in a rat model, highlighting its potential therapeutic applications in biomedical research (Gurlek et al., 2024).

  • Dye Adsorption: The solution is used in the synthesis of kaolin-supported nickel oxide composites for catalytic oxidative degradation of methylene blue dye, serving as a pivotal study in water treatment and chemical engineering (Mohammed et al., 2024).

  • Chitosan Production: Research on the production of chitosan from shrimp shell utilizing sodium hydroxide solution followed by subcritical water hydrolysis, illustrating its critical role in advancing material science and sustainable production methods (Matouri et al., 2024).

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


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pictograms

Corrosion

signalword

Danger

Hazard Classifications

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

wgk

WGK 1

hcodes

Storage Class

8B - Non-combustible corrosive hazardous materials

Regulatory Information

危险化学品

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Protocols

Photometric determination with pyridylazoresorcinol (PAR) subsequent to acid extraction

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Global Trade Item Number

SKUGTIN
802898100004022536376929
D91551-18L04061837794049
900018-25G04061833217818
D91551-250ML04061833590348
D91551-4L04061837794063
D91551-1L04061833590331
900018-500G04061835532070
517135-100ML04061832541556
517135-1L04061832541563
802898010004022536376905
802898050004022536376912
105588901004022536977829
105588100004022536066189