1.06649

硫酸ナトリウム

anhydrous for analysis EMSURE^® ACS,ISO,Reag. Ph Eur

• 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

特性

• グレード: ACS reagent
• 品質水準: 300
• 認証: reag. ISO; reag. Ph. Eur.
• 製品種目: EMSURE^®
• アッセイ: ≥99.0% (alkalimetric); 98.5-101% dry basis (alkalimetric)
• 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 drying, 130 °C; ≤0.5% loss on ignition, 800 °C
• pH: 5.2-8.0 (20 °C, 50 g/L in H₂O)
• mp: 884 °C (lit.)
• 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: ≤0.005%; Fe: ≤0.0005%; K: ≤0.002%; Mg: ≤0.001%; N: ≤0.0005%; heavy metals: ≤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

関連事項

Replaces: SX0761-20

アナリシスノート

Assay (alkalimetric): ≥ 99.0 %
Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.01 %
Acidity or alkalinity: passes test
pH-value (5 %; water; 25 °C): 5.2 - 8.0
Chloride (Cl): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.001 %
Total nitrogen (N): ≤ 0.0005 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.002 %
Mg (Magnesium): ≤ 0.001 %
Loss on drying (130 °C): ≤ 0.5 %
Loss on ignition (800 °C): ≤ 0.5 %
Corresponds to ACS, ISO, Reag. Ph Eur

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