Tartrazine ≥98.0% (by HPLC)
Fornitore: TCI
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Pericolo
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Synonyms:
FD and C Yellow No. 5, Filter Yellow, Acid Yellow 23, Sodium 5-oxo-1-(4-sulphonatophenyl)-4-((4-sulphonatophenyl)diazenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
Formula:
C₁₆H₁₂N₄O₉S₂ Peso molecolare: 534.36 g/mol |
MDL Number:
MFCD00148908 CAS Number: 1934-21-0 EINECS: 217-699-5 Merck Index: 14,09072 |
Risultati del test di specificazione
Appearance | Orange to Brown powder to crystal |
Purity (HPLC) | min. 98.0 area% |
Purity (UV-vis method) | min. 95.0 % (calcd.on dried substance) |
Lambda max. | 426.0 to 430.0 nm (AcONH4 sol.) |
Drying loss | max. 10.0 % |
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