POTASSIUM DISULFITE FOR ANALYSIS EMSURE (C005B-021384)

Analysis Note

Assay (iodometric): ≥ 96 %
In water insoluble matter: ≤ 0.005 %
Chloride (Cl): ≤ 0.005 %
As (Arsenic): ≤ 0.0001 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.001 %

Legal Information

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

Molecular Weight: 222.32. Empirical Formula: K₂O₅S₂. Quality Level: 300. product line: EMSURE^®. . Assay: ≥. 96% (iodometric). form: solid. potency: 2300 . mg/kg LD₅₀, oral (Rat). impurities: ≤. 0.005% In water insoluble matter. pH: 3.0-4.5 (20 . °C, 50 . g/L in H₂O). mp: 150 . °C (decomposition). solubility: 450 . g/L. bulk density: 1000‑. 1300 . kg/m³. anion traces: chloride (Cl^-): ≤. 0.005%. cation traces: As: ≤. 0.0001%, Cu: ≤. 0.001%, Fe: ≤. 0.0005%, Pb: ≤. 0.001%, Zn: ≤. 0.001%. storage temp.: 2-30°C. InChI: 1S/2K.H2O5S2/c. . 1-6(2)7(3,4)5/h. . (H,1,2)(H,3,4,5)/q2*+1. /p-2. InChI key: RWPGFSMJFRPDDP-UHFFFAOYSA-L. Pictograms: GHS05,GHS07. Signal Word: Danger. Hazard Statements: H318 - H335. Precautionary Statements: P261 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338 - P403 + P233. Hazard Classifications: Eye Dam. 1 - STOT SE 3. Target Organs: Respiratory system. Supp Hazards: EUH031. Storage Class Code: 13 - Non Combustible Solids. WGK: WGK 1.