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LC4958 Rhodizonic acid disodium saltindicator for sulfate titration |
| Order number | Packaging | Quantity | Price € |
| AC31958 | Fibre case | 5 g | 34.43 |
| Product information | |
| Synonyms | 1,2-Dihydroxy-3,4,5,6-tetraoxo-1-cyclohexene disodium salt, Sodium rhodizonate |
| Hill Formula | C6Na2O6 |
| HS Code | 2914 40 90 |
| EC number | 208-340-3 |
| Molar mass | 214.04 g/mol |
| CAS number | 523-21-7 |
| Chemical and physical data | |
| Solubility | (20 °C) slightly soluble |
| Melting point | >300 °C |
| Molar mass | 214.04 g/mol |
| Bulk density | 620 kg/m3 |
| Safety information | |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Specifications | |
| Assay (perchloric acid titration) | ≥ 98.5 % |
| Identity (UV/VIS-Spectrum) | passes test |
| Absorption maximum λ max (Hydrochloric acid 0.1 mol/l) | 317 – 320 nm |
| Spec. Absorptivity A 1%/1cm (λ7m7ax; 0.02 g/l; hydrochloric acid 0.1 mol/l) | ≥ 540 |
| Suitability as indicator (for sulfate titration) | passes test |
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