TIRON AR

Metal (pM) indicator (Yoe’s reagent or titanium and iron indicator in the titration of iron with EDTA).

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC2593 AR 149-45-1 C6H4Na2O8S2 314.2 2908.9990 60 Months

Packings

10 g,25 g

Physical Properties

Physical state at 20 °C Solid
Colour White to off white
Odour Odorless
Melting point/ Freezing point [°C] > 300 °C
Solubility in water [% weight] Soluble in water

Specifications

Appearance White to off -white powder
Identity (UV/VIS spectrum) Passes test
Absorption maxima (buffer pH 2.5) 290 - 291 nm
Specific absorptivity A 1%/1cm (λmax; 0.005%; buffer pH 2.5; calculated on dried substance) 100 - 125
Water (by KF) 4.5 - 6.5 %
Suitability (as indicator for metal titration) Passes test

Safety Information and Hazard Symbols

Exclamation Mark
Symbol GHS07
Signal Word Warning
UN No.
IMCO Class No.
Packing Group
Hazardous Statement H315-H319-H335
Precaution Statement P261-P305 + P351 + P338
Risk Statement
Safety Statement
Revision Date : 15-Feb-2016