415413

Sodium hydroxide solution

50% in H₂O

• Linear Formula: NaOH
• CAS Number: 1310-73-2
• Molecular Weight: 40.00
• MDL number: MFCD00003548
• UNSPSC Code: 12352316
• PubChem Substance ID: 329756117
• NACRES: NA.21

Properties

• agency: suitable for DIN 38407-42; suitable for EPA 533; suitable for EPA 8327; suitable for EPA OTM-45; suitable for SM 4500 - NH3
• Quality Level: 100
• vapor pressure: 3 mmHg ( 37 °C)
• form: liquid (viscous)
• concentration: 48-52% (by HCl, titration); 50% in H₂O
• technique(s): HPLC: suitable
• pH: 14
• density: 1.515 g/mL at 25 °C
• storage temp.: room temp
• SMILES string: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChI key: HEMHJVSKTPXQMS-UHFFFAOYSA-M

Description

General description

Sodium hydroxide solution is a strong alkali. It is utilized in making cellophane, rayon, bleaches, dyes and drugs. It is also employed to abstract hydrogen sulfide from petroleum and to degrade lignin in wood in the paper industry.

Application

Sodium hydroxide solution may be used in the following processes:

• As a dedoping reagent in the synthesis of graphene/polyaniline hybrid material.
• As a solvent in the weight loss study of aluminum by corrosion.4
• Alkaline reagent test for tannins & phenolic compounds.
• Synthesis of single crystalline zinc stannate (Zn₂SnO₄ and ZnSnO₃) nanoparticles.
• Estimation of protein content and α-cellulose content in grain by-products.

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