Products
| Eriochrome Black A | |
| Product name | Eriochrome Black A |
| Chinese name | 铬黑；1-(2-羟基-1-萘偶氮)-6-硝基-2-萘酚-4-磺酸；依来铬黑A；3-羟基-4[(2-羟基-1-萘基)偶氮]-7-硝基-1-萘磺酸单钠盐；媒介黑WAN；酸性铬蓝黑A；酸性媒介黑A；羊毛铬黑A；C.I.媒介黑1；色媒黑A；3-羟基-4-[(2-羟基萘)偶氮]-7-硝基萘-1-磺酸钠；媒介黑 1；媒介黑A |
| English name | Eriochrome Black A |
| Molecular formula | C20H12N3NaO7S |
| Molecular weight | 461.38 |
| CAS No. | 3618-58-4 |
| Product photo |  |
| Structure |  |
| chemical properties | |
| Appearance | Dark yellow or black crystal powder |
| Melting point | |
| Content | >98% |
| Moisture | |
| Packing | 1kg，5kg，25kg |
The other explanation |
Used for wool, wool and other wool fabric dyeing, also used for the dyeing of silk and nylon fabric, but also for the ceramic blank body and glaze coloring, but also for cement concrete impregnated coloring. |
