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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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