1.11360

Sodium hydroxide solution

min. 45%, 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. 45%, for analysis EMSURE^®
• vapor pressure: 3 mmHg ( 37 °C)
• Quality Level: 300
• 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
• SMILES string: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChI key: HEMHJVSKTPXQMS-UHFFFAOYSA-M

Description

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

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