1.06516

Sodium thiosulfate pentahydrate

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

• 別名: Sodium thiosulfate pentahydrate, Antichlor
• 実験式（ヒル表記法）: Na₂O₃S₂ · 5H₂O
• CAS番号: 10102-17-7
• 分子量: 248.18
• MDL番号: MFCD00149186
• UNSPSCコード: 12352302
• EC Index Number: 231-867-5
• NACRES: NA.21

特性

• グレード: ACS reagent
• 品質水準: 300
• 認証: reag. ISO; reag. Ph. Eur.; suitable for SM 2310; suitable for SM 2320; suitable for SM 4500 - NH3
• 製品種目: EMSURE^®
• アッセイ: 99.5-101.0% (iodometric)
• 形状: solid
• 有効性: >5000 mg/kg LD₅₀, oral (Rat)
• 不純物: ≤0.005% Insoluble matter
• pH: 6.0-7.5 (20 °C, 100 g/L in H₂O)
• mp: 48 °C
• 密度: 1.74 g/cm³ at 20 °C
• かさ密度: 1000 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤0.008%; sulfate, sulfite (as SO₄^2-): ≤0.1%; sulfide (S^2-): passes test
• 微量陽イオン: Ca: ≤0.002%; Cu: ≤0.0005%; Fe: ≤0.0005%; K: ≤0.001%; Mg: ≤0.001%; N: ≤0.002%; Pb: ≤0.0005%; heavy metals (as Pb): ≤0.001%
• 保管温度: 2-30°C
• InChI: 1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2
• InChI Key: PODWXQQNRWNDGD-UHFFFAOYSA-L

詳細

アプリケーション

• Synthesis of Aryl Amides from Acyl-Bunte Salts and Aryl Azides: Details the application of sodium thiosulfate pentahydrate in synthetic organic chemistry, specifically in the synthesis of aryl amides, illustrating its utility in facilitating complex chemical reactions (Chen et al., 2023).

関連事項

Replaces: SX0815-1; SX0815

アナリシスノート

Assay (iodometric): 99.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (5 %; water, 25 °C): 6.0 - 7.5
pH-value (10 %; water): 6.0 - 7.5
Chloride (Cl): ≤ 0.008 %
Sulfate and sulphite (as SO₄): ≤ 0.1 %
Sulfide (S): passes test
Heavy metals (as Pb): ≤ 0.001 %
Total nitrogen (N): ≤ 0.002 %
Ca (Calcium): ≤ 0.002 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.001 %
Mg (Magnesium): ≤ 0.001 %
Pb (Lead): ≤ 0.0005 %
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