Eriochrome Black T is a complexometric indicator commonly employed in tests for water hardness, particularly during EDTA titrations. It transitions from wine-red to blue as it binds and subsequently releases metal ions such as calcium and magnesium, facilitating the determination of their concentration in a solution.
\n\u2022 formula: C20H12N3O7SNa
\n\u2022 molar_mass: 461,381 g\/mol
\n\u2022 appearance: dark red\/brown powder
\n\u2022 acidity: 6.2, 11.55
\n\u2022 UN_number: 2923
\n\u2022 size_options: [‘5g’, ’25g’]
\n\u2022 pack_size_options: [‘Single Item’, ‘Box of 4’]
\n\u2022 chemical_code: CHE-I-E02
\n\u2022 chemical_grade: ACS Reagent
\n\u2022 cas_no: 1787-61-7
\n\u2022 chemical_synonyms: Mordant Black 11, Fast Chrome Black T.<\/p>\n
\u2022 size: [‘5g’, ’25g’]
\n\u2022 pack_size: [‘Single Item’, ‘Box of 4’]
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