THORIN (OCTAHYDRATE) INDICATOR FOR SULFA

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max. (Propan-2-ol): 480 - 490 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.025 g/l;propan-2-ol; calc. on anhydrous substance): 250 - 350
Water (according to Karl Fischer): ≤ 25 %
Suitability as indicator (for sulfate titration): passes test

Molecular Weight: 576.30. Empirical Formula: C₁₆H₁₁AsN₂Na₂O₁₀S₂. Quality Level: 200. form: solid. impurities: ≤. 25% Water (Karl Fischer). pH: 6.1 (20 . °C, 10 . g/L in H₂O). bulk density: 700 . kg/m³. λ. _max: 480-490 nm (propan-2-ol). storage temp.: 2-30°C. InChI: 1S/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23. . /h1-8,18H,(H2,21,22,23)(H,24,25,26)(H,27,28,29). . /q. 2*+1/p-2/b19-15+. . . InChI key: ZQMPNLOZJUWHSA-WTBAQZMLSA-L. Pictograms: GHS06,GHS09. Signal Word: Danger. Hazard Statements: H301 + H331 - H410. Precautionary Statements: P261 - P264 - P270 - P273 - P301 + P310 - P304 + P340 + P311. Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1. Storage Class Code: 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable.