| CAS NO.: | 81-77-6 |
|---|---|
| Formula: | C28h14n2o4 |
| EINECS: | 201-375-5 |
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| TEST ITEMS | SPECIFICATION |
| APPEARANCE | BLUE POWDER |
| SHADE | REDDISH |
| HEAT RESISTANCE | 300 °C min |
| LIGHT FASTNESS | 7-8 |
| ACID RESISTANCE | 5 |
| ALKALI RESISTANCE | 5 |
| FASTNESS TO BLEEDING | 5 |
| OIL ABSORPTION | 40-50% |
| SPECIFIC SURFACE | 35 m 2 /g |
| DENSITY | 1.80 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 % |
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