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| CAS No.: | 2646-17-5 |
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| Formula: | C17h14n2o |
| EINECS: | 220-162-8 |
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| TEST ITEMS | SPECIFICATION |
| APPEARANCE | ORANGE POWDER |
| SHADE | DEEP REDDISH |
| HEAT RESISTANCE | 140 °C min |
| LIGHT FASTNESS | 5-6 |
| ACID RESISTANCE | 4 |
| ALKALI RESISTANCE | 4 |
| WATER RESISTANCE | 5 |
| DENSITY | 1.30 g/cm 3 |
| RESIDUE ON 80 MESH | 5.0% max |
| WATER SOLUBLE | 1.0% max |
| VOLATITE 105 °C | 1.0% max |
| TINTING STRENGTH | 100-105 % |
| WEIGHT METAL TOTAL | 50ppm max |






