Eriochrome Black T ACS, Reag. Ph. Eur. indicator for complexometry, Supelco®
: Merck
:1787-61-7
:
:C₂₀H₁₂N₃NaO₇S
:MFCD00003935
:13,03702
:9,III
:M-Clarity™ quality level = MQ200
:461.39 g/mol
:217-250-3
:3077
:GHS07
:GHS09
:Omgivande
- dentity (UV/VIS-Spectrum):passes test
- Appearance:Black to dark brown-black fine powder, eventually with granular parts
- Clarity of solution:passes test
- Absorption maximum λmax. (buffer pH 10.0):612 - 616 nm
- Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 10.0; calc. on dried substance):400 - 510
- Loss on drying (110 °C):≤ 7 %
- Suitability as indicator (for complexometric titration, ACS):passes test
- Suitability as indicator (Reag. Ph. Eur.):passes test