Purity: 98%;
Ample stock available.
Appearance: off-white to pale yellow powder.
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Purity: 98%;
Ample stock available.
Appearance: off-white to pale yellow powder.
| Product Name | 2-(2,4-Dimethylphenylamino)-3-methyl-6-diethylaminofluoran |
| Synonyms | 2-(2’,4’-DIMETHYLPHENYLAMINO)-3-METHYL-6-DIETHYLAMINOFLUORAN3-DIETHYLAMINO-6-METHYL-7-(2’,4’-DIMETHYLPHENYLAMINO)FLUORANB-15BLACK-15;3-Diethylamino-7-(2,4-dimethylanilino)-6-methylfluoran;2-(2”-4”-DIMETHYLBENZENEAMIDO)-3-METHYL-6-(DIETHYLAMINO)FLUORANE99.0+%WHITEPOWDER;YAMAMOTOBLACK15;6′-Diethylamino-2′-[(2,4-dimethylphenyl)amino]-3′-methylspiro[2-benzofuran-3,9′-xanthene]-1-one;3′-(Diethylamino)-6′-methyl-7′-(2,4-xylidino)spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one;2-(2-4-diMethylbenceneaMido)-3-Methyl-6-lignocainefluorane(black-15);Spiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one,6′-(diethylaMino)-2′-[(2,4-diMethylphenyl)aMino]-3′-Methyl- |
| CAS NO | 36431-22-8 |
| Purity | 98% above |
| MF | C33H32N2O3 |
| MW | 504.62 |
| Contact | selina@coreychem.com |
2-(2,4-Dimethylphenylamino)-3-methyl-6-diethylaminofluoran (CAS: 36431-22-8), also known as Black 15, Yamamoto Black 15, or BK-15, is a fluorescent organic compound with the following main applications:
Color developer for thermal recording materials
This compound is used as a color developer or sensitizer, widely applied in fax paper, receipt paper, lottery tickets, barcode labels, and other thermal recording products.
Thermochromic coatings and inks
Due to its thermochromic properties, it is used in the preparation of thermochromic coatings and inks, suitable for temperature indicators, labels, and related products.
Security inks and anti-counterfeiting labels
Its stability and vivid color output make it suitable for developing security inks and anti-counterfeiting labels, utilizing its reversible color-change property as a measure against forgery.
Sensor technology
Its chemical versatility makes it useful in sensor technology, where it can detect acidic vapors or pH changes in industrial or environmental monitoring systems.
Molecular formula: C₃₃H₃₂N₂O₃
Molecular weight: 504.62 g/mol
Appearance: Light yellow to yellow solid
Melting point: ~168°C
Solubility: Soluble in organic solvents such as dichloromethane and ethanol
Storage conditions: Store at 2–8°C, protected from light
pKa: ~4.94
Density: ~1.27 g/cm³
Refractive index: ~1.67
25KG per barrel; Or package according to customer needs
