|
| CAS | Appearance | Content | Strength | Melting | 2-hydroxy-3-naphthoic acid content |
| Naphthol AS | 92-77-3 | Creamy-white powder | ≥99% | 100±5 | 247℃ | ≤0.09% |
| Naphthol AS-BO | 132-68-3 | Light beige powder | ≥99% | 100±5 | 217℃ | ≤0.1% |
| Naphthol AS-G | 91-96-3 | Light creamy-white powder | ≥98% | / | 204~205℃ | / |
| Naphthol AS-E | 92-78-4 | Creamy-white powder | ≥99% | 100±5 | 257℃ | ≤0.1% |
| Naphthol AS-BS | 135-65-9 | Light beige powder | ≥99% | 100±5 | 242℃ | ≤0.09% |
|
| CAS | Appearance | Content | Strength | Melting | Insoluble substance in HCL |
| Fast Scarlet Base G | 92-77-3 | Yellow powder | ≥99% | 100±3 | 104°C | ≤0.2% |
| Fast Red RC Base | 4274-03-7 | Grayish white to milk white powder | ≥99% | 100±5 | / | ≤0.2% |
| Scarlet RC Base | 27165-17-9 | Grayish white powder | ≥90% | 100±3 | 300℃ | ≤0.2% |
| Fast Garnet GBC | 101-89-3 | Brown powder | ≥90% | 100 | / | ≤0.2% |
