1.05588

Sodium hydroxide solution

min. 10% (1.11), for analysis EMSURE^®

• Synonym(s): Sodium hydroxide solution
• Linear Formula: NaOH
• CAS Number: 1310-73-2
• Molecular Weight: 40.00
• MDL number: MFCD00003548
• UNSPSC Code: 12352305
• NACRES: NA.21

Properties

• product name: Sodium hydroxide solution min. 10% (1.11), for analysis EMSURE^®
• vapor pressure: 3 mmHg ( 37 °C)
• Quality Level: 300
• 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

Description

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

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H290 - H314
• pcodes: P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• 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