1.06637

硫酸ナトリウム

anhydrous, coarse granules for analysis EMSURE^® ACS

• 化学式: Na₂SO₄
• CAS番号: 7757-82-6
• 分子量: 142.04
• MDL番号: MFCD00003504
• UNSPSCコード: 12352302
• EC Index Number: 231-820-9
• NACRES: NA.21
• アッセイ: ≥99.0% (acidimetric)
• グレード: ACS reagent
• フォーム: solid
• 溶解性: 200 g/L

特性

• グレード: ACS reagent
• 品質水準: 300
• 製品種目: EMSURE^®
• アッセイ: ≥99.0% (acidimetric)
• フォーム: solid
• 有効性: >2000 mg/kg LD₅₀, oral (Rat)
• 不純物: ≤0.01% Insoluble matter
• 損失: ≤0.5% loss on ignition, 800 °C
• pH: 5.2-8.0 (20 °C, 50 g/L in H₂O)
• mp: 884 °C (lit.)
• 溶解性: 200 g/L
• 密度: 2.68 g/mL at 25 °C (lit.)
• かさ密度: 1400‑1600 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.001%
• 微量陽イオン: As: ≤0.0001%; Ca: ≤0.01%; Fe: ≤0.0005%; K: ≤0.002%; Mg: ≤0.001%; N: ≤0.0005%; heavy metals (as Pb): ≤0.0005%
• 保管温度: 2-30°C
• SMILES記法: [Na+].[Na+].[O-]S([O-])(=O)=O
• InChI: 1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
• InChI Key: PMZURENOXWZQFD-UHFFFAOYSA-L

詳細

アプリケーション

• Removal of Sodium Sulfate from Iron Phosphate: Sodium sulfate is also involved in methods for removing impurities from chemical compounds. A recent study focused on developing a method to remove sodium sulfate from iron phosphate, an essential process in the production of high-purity materials for various industrial applications. This research highlights the importance of sodium sulfate in refining chemical processes and improving the quality of industrial products (Li et al., Advances in Analytical Chemistry, 2022).

アナリシスノート

Assay (acidimetric): ≥ 99.0 %
Identity: passes test
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water): 5.2 - 9.2
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.01 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on ignition (800 °C): ≤ 0.5 %
Particle size (250-2000 µm): ≥ 85 %
Corresponds to ACS

法的情報

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

安全性情報

• 保管分類コード: 13 - Non Combustible Solids
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable