1.06509

Sodium thiosulfate pentahydrate

99.999 Suprapur^®

• Synonym(s): Sodium thiosulfate pentahydrate, Antichlor
• Empirical Formula (Hill Notation): Na₂O₃S₂ · 5H₂O
• CAS Number: 10102-17-7
• Molecular Weight: 248.18
• MDL number: MFCD00149186
• UNSPSC Code: 12352302
• EC Index Number: 231-867-5

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• Assay: 99.999%
• form: solid
• potency: >5000 mg/kg LD₅₀, oral (Rat)
• pH: 6.0-7.5 (20 °C, 100 g/L in H₂O)
• mp: 48 °C
• solubility: 701 g/L
• density: 1.74 g/cm³ at 20 °C
• bulk density: 1000 kg/m³
• storage temp.: 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

Description

Application

• An Analytical Method for Determination of Total Iron in Pharmaceutical-grade Intravenous Iron Colloidal Complexes by Redox-Potentiometry.: This study details a method for determining total iron content in pharmaceutical-grade intravenous iron colloidal complexes using redox-potentiometry. Sodium thiosulfate pentahydrate is utilized in the redox reaction to accurately quantify iron levels. (Kamisetty et al., 2023).


• New Fluorescent Nanosensor for Determination of Diazepam Using Molecularly Imprinted Mn-doped ZnS Quantum Dots.: This research introduces a new fluorescent nanosensor for detecting diazepam, employing molecularly imprinted Mn-doped ZnS quantum dots. Sodium thiosulfate pentahydrate is used in the synthesis of these quantum dots. (Samadi-Maybodi et al., 2022).


• Debugging periodate oxidation of cellulose: Why following the common protocol of quenching excess periodate with glycol is a bad idea.: This paper addresses the issues in periodate oxidation of cellulose and suggests alternatives to glycol for quenching excess periodate, including the use of sodium thiosulfate pentahydrate as an efficient quenching agent. (Simon et al., 2023).


• The effect of sodium thiosulfate on immune cell metabolism during porcine hemorrhage and resuscitation.: Investigates the impact of sodium thiosulfate on immune cell metabolism in a porcine model of hemorrhage and resuscitation, highlighting its potential therapeutic benefits. (Wolfschmitt et al., 2023).


• Green sulfidated iron oxide nanocomposites for efficient removal of Malachite Green and Rhodamine B from aqueous solution.: This study presents the synthesis of green sulfidated iron oxide nanocomposites using sodium thiosulfate pentahydrate, demonstrating their efficacy in removing dyes like Malachite Green and Rhodamine B from aqueous solutions. (Guo et al., 2022).

Analysis Note

Purity (metallic): ≥ 99.999 %
Assay (iodometric, calculated as pentahydrate): ≥ 99.0 %
Phosphate (PO₄): ≤ 5 ppm
Al (Aluminium): ≤ 0.05 ppm
Ba (Barium): ≤ 2.0 ppm
Bi (Bismuth): ≤ 0.01 ppm
Ca (Calcium): ≤ 0.10 ppm
Cd (Cadmium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Ce (Cerium): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.010 ppm
Cu (Copper): ≤ 0.010 ppm
Eu (Europium): ≤ 0.010 ppm
Fe (Iron): ≤ 0.05 ppm
K (Potassium): ≤ 5.0 ppm
La (Lanthanum): ≤ 0.010 ppm
Li (Lithium): ≤ 1.0 ppm
Mg (Magnesium): ≤ 0.10 ppm
Mn (Manganese): ≤ 0.050 ppm
Ni (Nickel): ≤ 0.05 ppm
Pb (Lead): ≤ 0.05 ppm
Rb (Rubidium): ≤ 1.0 ppm
Sc (Scandium): ≤ 0.010 ppm
Sm (Samarium): ≤ 0.010 ppm
Sr (Strontium): ≤ 0.10 ppm
Tl (Thallium): ≤ 0.01 ppm
Y (Yttrium): ≤ 0.010 ppm
Yb (Ytterbium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.050 ppm

Legal Information

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

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable