SODIUM THIOSULFATE ANHYDROUS 250 G

Analysis Note

Assay (iodometric): ≥ 97.0 %
Identity: passes test
pH-value (5 %; water): 6.0 - 9.5
Sulphide (S): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.005 %
Fe (Iron): ≤ 0.005 %

Legal Information

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

Molecular Weight: 158.11. Empirical Formula: Na₂O₃S₂. Quality Level: 200. product line: Emplura^®. . Assay: ≥. 97.0% (iodometric). form: solid. potency: >. 5000 . mg/kg LD₅₀, oral (Rat). pH: 6.0-9.5 (20 . °C, 50 . g/L in H₂O). solubility: 701 . g/L. density: 1.67 . g/cm³ . at 20 . °C. bulk density: 1350 . kg/m³. anion traces: sulfide (S^2-): ≤. 0.002%. cation traces: Fe: ≤. 0.005%, heavy metals (as Pb): ≤. 0.005%. 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. Storage Class Code: 13 - Non Combustible Solids. WGK: WGK 1. Flash Point(F): Not applicable. Flash Point(C): Not applicable.