69413

Sodium hydroxide solution

suitable for HPLC, LiChropur^™, 49.0-51.0%

• Linear Formula: NaOH
• CAS Number: 1310-73-2
• Molecular Weight: 40.00
• MDL number: MFCD00003548
• UNSPSC Code: 41116105

Properties

• vapor pressure: 3 mmHg ( 37 °C)
• form: solution
• concentration: 49.0-51.0%
• technique(s): HPLC: suitable
• impurities: ≤0.1% sodium carbnate (Na₂CO₃)
• density: 1.500-1.540 g/mL at 20 °C
• λ: 10 % in H₂O
• UV absorption: λ: 240 nm A_max: ≤0.17; λ: 260 nm A_max: ≤0.15; λ: 280 nm A_max: ≤0.08; λ: 300 nm A_max: ≤0.03; λ: 500 nm A_max: ≤0.02
• SMILES string: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChI key: HEMHJVSKTPXQMS-UHFFFAOYSA-M

Description

General description

Sodium hydroxide is widely used in numerous industrial processes, including the manufacture of pulp and paper, soaps and detergents, textiles and drinking water. It is also used in the preparation of dyes, bleaches and drugs.

Application

Sodium hydroxide may be used:

• As an extraction solvent in high-performance liquid chromatography (HPLC) in combination with inductively coupled plasma mass spectrometry (ICP-MS) (HPLC ICP-MS) speciation of selenium in enriched onion leaves.
• As an analytical reagent in HPLC and HPLC coupled electrospray ionization tandem mass spectrometry (HPLC/ESI-MS/MS) determination of flavonoids and stilbenes in red wine and related biological products.

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Legal Information

LiChropur is a 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
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable