Direct Red 180
Name:C.I.Direct Red 180,C.I.24565
Molecular Structure: Double azo class
Molecular Formula:C36H30N10Na2O6
Molecular Weight: 744.67
CAS Registry Number:90249-27-7
Manufacturing Methods : 2-[2-Amino-5-[4-amino-3-(carboxymethoxy)phenyl]-phenoxy]acetic acid double nitriding, and 3-Methyl-1-phenyl-1H-pyrazol-5-amine (2 Moore) coupled.
Properties and Applications: yellow light red. Soluble in water for yellow orange, soluble in ethanol. The strong sulfuric acid to red light purple, yellow light brown for diluted. The dye solution to join strong hydrochloric acid for orange brown, have precipitation; Add thick sodium hydroxide solution discoloration.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3 | 4 | 6 | 4 | 4-5 |
List of Suppliers:
Benzo Fast Copper Red GGL( Bayer Group )
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