Name | 2-Anilino-6-dibutylamino-3-methylfluoran |
Synonyms | 6'-(Dibutylamino)-3'-methyl-2'-(phenylamino)-spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one; ODB-2 |
Molecular Formula | C35H36N2O3 |
Molecular Weight | 532.68 |
CAS Registry Number | 89331-94-2 |
EINECS Number | 403-830-5 |
Appearance | White to off white powder |
Loss on drying | ≤0.1% |
Insoluble | ≤0.1% |
Absorbance | ≤0.1 |
Absorbance curve | ≤0.1 |
HPLC Purity | ≥99.5% |
Used as a coupler for thermal paper and thermal medical dry sheet.