Eriochrome Black T ACS, Reag. Ph. Eur. indicator for complexometry, Supelco®
Dostawca: Merck
|
Uwaga
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Synonim:
sól sodowa kwasu 2-hydroksy-1,1-(2-hydroksy-1-naftyloazo)-7-nitro-naftaleno-4-sulfonowego
M-Clarity™ quality level = MQ200
1.03170.0025
1.03170.0100
1.03170.0025EA
222
PLN
1.03170.0025
1.03170.0100
Eriochrome Black T ACS, Reag. Ph. Eur. indicator for complexometry, Supelco®
Eriochrome Black T
C.I. 14645
Formuła:
C₂₀H₁₂N₃NaO₇S MW: 461.39 g/mol Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00003935 Numer CAS: 1787-61-7 Numer WE (dawny EINECS): 217-250-3 Jednostka: 3077 ADR: 9 III Klasyfikacja Merck : 13,03702 |
Wyniki testów specyfikacyjnych
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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