Titan Yellow (C.I. 19540), Indicator Reag. Ph Eur, Merck KGaA (CAT#: STEM-L-1273-LKN)

Titan Yellow (C.I. 19540), model 1.01307 from Merck KGaA is indicator solution.

Grade: Reag. Ph. Eur.
pH: 5.1 (20 °C, 10 g/L in H2O).
MP:>300 °C (decomposition).
Solubility: 29 g/L.
Bulk density: 310 kg/m3.
Storage conditions: at +5°C to +30°C.
InChI key: CZIRZNRQHFVCDZ-UHFFFAOYSA-L.

Identity (UV/VIS-Spectrum): passes test.
Absorption maximum λmax. (buffer pH 7.0): 398 - 402 nm.
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; buffer pH 7.0; calc. on dried substance): ≥ 350.
Transition range: pH 12.0 - pH 13.0Yellow - orange.
Loss on drying (110 °C): ≤ 8 %.
Suitability as reagent (for magnesium): passes test.