1.06467

Sodium hydroxide

granulated EMPLURA^®

• Synonym(s): ‘Caustic soda’
• Linear Formula: NaOH
• CAS Number: 1310-73-2
• Molecular Weight: 40.00
• MDL number: MFCD00003548
• UNSPSC Code: 12352305
• EC Index Number: 215-185-5
• NACRES: NA.21

Properties

• vapor density: >1 (vs air)
• Quality Level: 200
• vapor pressure: <18 mmHg ( 20 °C); 3 mmHg ( 37 °C)
• product line: EMPLURA^®
• Assay: ≥99% NaOH basis (acidimetric)
• form: granular
• pH: >14 (20 °C, 100 g/L in H₂O)
• mp: 318 °C (lit.)
• solubility: 1090 g/L
• density: 2.13 g/mL at 20 °C
• anion traces: carbonate (as Na₂CO₃): ≤1%; chloride (Cl^-): ≤0.2%; sulfate (SO₄^2-): ≤0.05%
• cation traces: Al: ≤0.002%; Fe: ≤0.002%; heavy metals (as Pb): ≤0.002%
• storage temp.: 2-30°C
• SMILES string: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChI key: HEMHJVSKTPXQMS-UHFFFAOYSA-M

Description

Application

• Silver Nanoparticles-Chitosan Nanocomposites: A Comparative Study Regarding Different Chemical Syntheses Procedures and Their Antibacterial Effect.: This study explores the synthesis of silver nanoparticles-chitosan nanocomposites using various chemical procedures, including the use of sodium hydroxide, to evaluate their antibacterial properties (Chicea et al., 2024).


• Using Sparfloxacin-Capped Gold Nanoparticles to Modify a Screen-Printed Carbon Electrode Sensor for Ethanol Determination.: This research demonstrates the modification of sensors using gold nanoparticles with sodium hydroxide, enhancing ethanol detection capabilities (Magesh et al., 2023).


• Sequence Mining Yields 18 Phloretin C-glycosyltransferases from Plants for the Efficient Biocatalytic Synthesis of Nothofagin and Phloretin-di-C-glycoside.: The study includes the use of sodium hydroxide in biocatalytic processes to synthesize glycosylated compounds efficiently (Putkaradze et al., 2023).


• Effect of Calcination Temperature and Time on the Synthesis of Iron Oxide Nanoparticles: Green vs. Chemical Method.: This paper investigates the synthesis of iron oxide nanoparticles using sodium hydroxide, comparing green and chemical methods for optimization (Abdullah et al., 2023).


• Improved Jellyfish Gelatin Quality through Ultrasound-Assisted Salt Removal and an Extraction Process.: Sodium hydroxide is utilized to enhance the extraction process of gelatin from jellyfish, improving its quality through ultrasound-assisted methods (Lueyot et al., 2022).

Analysis Note

Assay (acidimetric,NaOH): ≥ 98.0 %
Carbonate (as Na₂CO₃): ≤ 1.0 %
Identity: passes test
Chloride (Cl): ≤ 0.2 %
Sulfate (SO₄): ≤ 0.05 %
Heavy metals (as Pb): ≤ 0.002 %
Al (Aluminium): ≤ 0.002 %
Fe (Iron): ≤ 0.002 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H290 - H314
• Precautionary Statements: P234 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class Code: 8A - Combustible, corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable