1.58793

Sodium hydroxide solution

50%, for analysis EMSURE^®

• 別名: Sodium hydroxide solution
• 化学式: NaOH
• CAS番号: 1310-73-2
• 分子量: 40.00
• MDL番号: MFCD00003548
• UNSPSCコード: 12352305
• NACRES: NA.21

特性

• product name: 水酸化ナトリウム 溶液, for analysis EMSURE^®
• 認証: suitable for DIN 38407-42; suitable for EPA 533; suitable for EPA 8327; suitable for EPA OTM-45
• 品質水準: 300
• 蒸気圧: 2 hPa ( 20 °C); 3 mmHg ( 37 °C)
• 製品種目: EMSURE^®
• 形状: liquid
• 濃度: 49.0-51.0% NaOH
• 不純物: ≤0.0003% Total nitrogen (N); ≤0.0005% Al (Aluminium); ≤0.0005% Fe (Iron); ≤0.0005% Heavy metals (as Pb); ≤0.0005% Phosphate (PO₄); ≤0.005% Silicate (SiO₂); ≤0.005% Sulfate (SO₄); ≤0.01% Chloride (Cl); ≤0.01% K (Potassium)
• 色: APHA: ≤10
• pH: 14 (20 °C, 89 g/L in H₂O)
• bp: 135 °C/1013 hPa
• mp: 12 °C
• 密度: 1.52 g/cm³ at 20 °C
• 保管温度: 15-25°C
• SMILES記法: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChI Key: HEMHJVSKTPXQMS-UHFFFAOYSA-M

詳細

アプリケーション

• Sustainable Brick and Mortar Fabrication: The sodium hydroxide solution is utilized in the geopolymerization of construction debris, offering an eco-friendly solution for creating sustainable building materials. This innovative application not only recycles waste but also significantly reduces the carbon footprint of new constructions (Rahimpour et al., 2024).


• Water-Based Drilling Fluids: In the oil and gas industry, sodium hydroxide solution is used to modify bovine bone glue, enhancing its properties as an additive in water-based drilling fluids. This research points to improvements in the environmental aspects and operational efficiency of drilling operations (Du et al., 2024).


• Titration Calorimeters Calibration: The reaction of potassium hydrogen phthalate with excess sodium hydroxide (solution) serves as a standard calibration method for titration calorimeters. This application is essential in various scientific research and industrial applications to ensure accuracy and precision in thermal analysis (Kenealey et al., 2024).


• Alkaline Activation of Binders: The sodium hydroxide solution is critical in the alkaline activation process of binders used in construction, comparing different materials to optimize performance and sustainability. This study impacts the development of next-generation construction materials (Alves et al., 2024).

アナリシスノート

Assay (acidimetric, as NaOH): 49.0 - 51.0 %
Carbonate (as Na₂CO₃): ≤ 0.2
Color (Hazen): ≤ 10 Hazen
Chloride (Cl): ≤ 0.01 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.0003 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.02 %

法的情報

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

安全性情報

• ピクトグラム: GHS05
• シグナルワード: Danger
• 危険有害性情報: H290 - H314
• 注意書き: P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• 危険有害性の分類: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• 保管分類コード: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable