Eriochrome Black T Reag. Ph. Eur., ACS indicator for complexometry, Supelco®
: Merck
: 1-Naphthalenesulphonic acid, 3-hydroxy-4-[2-(1-hydroxy-2-naphthalenyl)diazenyl]-7-nitro-, sodium salt (1:1), Eriochrome black T, Indicator, EBT, Sodium 3-hydroxy-4-(2-hydroxy-1-naphthylazo)-7-nitro-1-naphthalenesulphonate, Solochrome Black T
:1787-61-7
:
:C₂₀H₁₂N₃NaO₇S
:MFCD00003935
:461.39 g/mol
:9 III
:13,03702
:M-Clarity™ quality level = MQ200
:217-250-3
:3077
:GHS07
:GHS09
:Ambient
- Environmentally Preferable:
- 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
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