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Thermo Scientific Chemicals Methyl Yellow, indicator
Descrizione
Methyl Yellow used as a pH indicator. It is an acid-base indicator that changes color from below pH 2.9 red to above pH 4.0 yellow and vice versa. Typical use is in the titration of a weak base with a strong acid.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Methyl Yellow used as a pH indicator. It is an acid-base indicator that changes color from below pH 2.9 red to above pH 4.0 yellow and vice versa. Typical use is in the titration of a weak base with a strong acid.
Solubility
Insoluble in water. Soluble in alcohol.
Notes
Transition interval: pH 2.9 (red) to pH 4.0 (yellow)
Specifica
Specifica
| Materiale o nome chimico | Methyl Yellow |
| Nota nome | indicator |
| Punto di fusione | 110°C to 112°C (decomposition) |
| Odore | Odorless |
| Quantità | 25 g |
| Numero UN | UN2811 |
| Beilstein | 746016 |
| Indice di Merck | 14,3229 |
| Informazioni di solubilità | Insoluble in water; Soluble in alcohol. |
| IUPAC Name | N,N-dimethyl-4-phenyldiazenylaniline |
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Safety and Handling
- Pericolo
- Tossicità acuta Categoria 3
- cancerogenicità Categoria 2
- H301-Tossico se ingerito.
- H351-Sospettato di provocare il cancro.
- P201-Procurarsi istruzioni specifiche prima dell'uso.
- P264-Lavare accuratamente dopo l'uso.
- P280-Indossare guanti/indumenti protettivi/Proteggere gli occhi/il viso.
- P301+P310-IN CASO DI INGESTIONE: contattare immediatamente un CENTRO ANTIVELENI/un medico/
- P308+P313-IN CASO di esposizione o di possibile esposizione, consultare un medico.
- MIXTURE LIST-Contiene: N,N-dimethyl-4-(phenylazo)benzenamine
RUO – Research Use Only
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