Complaint
1-Methylamino-4-bromo anthraquinone CAS 128-93-8
Item | Specifications | Results |
Appearance | Dark red powder | Dark red powder |
Tinting strength | Corresponding to standard (100±1.5%) | / |
Shade | Similar to standard | / |
Purity(HPLC) | ≥99% | 99.38% |
Ash | ≤0.5% | 0.22% |
Insolubility (DMF) | ≤0.3% | 0.18% |
Moisture | ≤0.5% | 0.04% |
Magnetic metal content | ≤100PPM | 15PPM |
Melting Point | 184-187ºC | 184-187ºC |
PH | 7-8 | 6.86 |
Conclusion | The results conforms with enterprise standards | |
