Products
| Mordant Red 7 | |
| Product name | Mordant Red 7 |
| Chinese name | 4-[(4,5-二氢-3-甲基-5-氧代-1-苯基-1H-吡唑-4-基)偶氮]-3-羟基-1-萘磺酸单钠盐；媒介红；酸性铬红B；酸性媒介红B；酸性媒介枣红BN；羊毛铬红B；媒介红7；4-(2-羟基-4-磺酸钠-1-萘偶氮)-3-甲基-1-苯基-5-羟基吡唑；铬红B；C.I.媒介红11；依莱铬红 |
| English name | Mordant Red 7 |
| Molecular formula | C20H15N4NaO5S |
| Molecular weight | 446.41 |
| CAS No. | 3618-63-1 |
| Product photo |  |
| Structure |  |
| chemical properties | Soluble in water, slightly soluble in ethanol and acetone. Its aqueous solution was yellow to brown and red, with dilute sulfuric acid to turn red orange; and concentrated caustic soda turns red. Rose in concentrated sulfuric acid, diluted with orange, and in concentrated nitric acid. When the copper, iron staining, color change. |
| Appearance | Blue light red powder |
| Melting point | |
| Content | >98% |
| Moisture | |
| Packing | 1kg，5kg，25kg |
The other explanation |
Uses: mainly used for the dyeing of wool fabrics |
