Solvent Red 22
Name:C.I.Solvent Red 22,C.I.21250
Molecular Structure: Double azo class
Molecular Formula:C43H35ClN4O2
Molecular Weight: 675.22
CAS Registry Number:6706-75-8
Manufacturing Methods :2,2′,5,5′-Tetramethyl-4,4′-diamino-2”-chlorotriphenylmethane double nitrogen, and Naphthalen-2-ol (2 Moore) coupling.
Properties and Applications: yellow red. Soluble in ethanol, acetone and benzene, insoluble in water. In concentrated sulfuric acid to green light yellow, to orange after diluted; In concentrated sodium hydroxide solution insoluble.
Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | Poor-General | 120≥ 120Sublimation | Insoluble | General | Well |
List of Suppliers:
Sudan Red GGA(GAF Corporation)
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