Eriochromschwarz T ACS, Reag. Ph. Eur. Indikator für die Komplexometrie, Supelco®

Lieferant: Merck
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Synonyms: Natrium-3-hydroxy-4-(2-hydroxy-1-naphthylazo)-7-nitro-1-naphthalinsulfonat1-(2-Hydroxy-1-naphthylazo)-6-nitro-2-naphthol-4-sulfonsäure Natriumsalz

M-Clarity™ Qualitätsstufe = MQ200

1.03170.0025EA 41.5 CHF
1.03170.0025 1.03170.0100
Eriochromschwarz T ACS, Reag. Ph. Eur. Indikator für die Komplexometrie, Supelco®
Eriochromschwarz T

C.I. 14645

Formel: C₂₀H₁₂N₃NaO₇S
MW: 461,39 g/mol
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00003935
CAS-Nummer: 1787-61-7
EINECS: 217-250-3
UN: 3077
ADR: 9,III
Merck Index: 12,03709

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Spezifikation Testergebnisse

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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