1.06516

Sodium thiosulfate pentahydrate

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

• Synonim(y): Sodium thiosulfate pentahydrate, Antichlor
• Wzór empiryczny (zapis Hilla): Na₂O₃S₂ · 5H₂O
• Numer CAS: 10102-17-7
• Masa cząsteczkowa: 248.18
• Numer MDL: MFCD00149186
• Kod UNSPSC: 12352302
• Numer indeksu EC: 231-867-5
• NACRES: NA.21

Właściwości

• klasa czystości: ACS reagent
• Poziom jakości: 300
• agency: reag. ISO; reag. Ph. Eur.; suitable for SM 2310; suitable for SM 2320; suitable for SM 4500 - NH3
• linia produktu: EMSURE^®
• Próba: 99.5-101.0% (iodometric)
• Postać: solid
• siła działania: >5000 mg/kg LD₅₀, oral (Rat)
• zanieczyszczenia: ≤0.005% Insoluble matter
• pH: 6.0-7.5 (20 °C, 100 g/L in H₂O)
• mp: 48 °C
• gęstość: 1.74 g/cm³ at 20 °C
• gęstość nasypowa: 1000 kg/m³
• ślady anionów: chloride (Cl^-): ≤0.008%; sulfate, sulfite (as SO₄^2-): ≤0.1%; sulfide (S^2-): passes test
• ślady kationów: 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%
• temp. przechowywania: 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
• Klucz InChI: PODWXQQNRWNDGD-UHFFFAOYSA-L

Opis

Zastosowanie

• 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).

Powiązanie

Replaces: SX0815-1; SX0815

Komentarz do analizy

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

Informacje prawne

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

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Informacja o środkach bezpieczeństwa

• Kod klasy składowania: 13 - Non Combustible Solids
• Klasa zagrożenia wodnego (WGK): WGK 1
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable