Orange II 97,0 HPLC_ASSAY_METHOD
Fornitore: TCI
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Attenzione
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Synonyms:
Tropaeolin OOO-2, acid orange 7, acid orange A, D and C Orange No. 4, 4-(2-Hydroxy-1-naphthylazo)benzenesulphonic acid sodium salt, Orange II sodium salt, p-(2-Hydroxy-1-naphthylazo)benzenesulphonic acid sodium salt, Gold orange
Formula:
C₁₆H₁₁N₂NaO₄S Peso molecolare: 350.32 g/mol |
MDL Number:
MFCD00011657 CAS Number: 633-96-5 EINECS: 211-199-0 Merck Index: 14,06858 |
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Risultati del test di specificazione
Appearance | Orange to Brown to Dark red powder to crystal |
Purity (HPLC) | min. 97.0 area% |
Lambda max. | 482.0 to 486.0 nm (0.02mol/L AcONH4 sol.) |
Absorbance (E1%1cm) | min. 500 (0.02mol/L AcONH4 sol., 482.0 to 486.0 nm) |
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