Name:C.I.Acid Red 151,C.I.26900
Molecular Structure: Double azo class
C.I.Acid Red 151,C.I.26900,CAS 6406-56-0,454.43,C22H15N4NaO4S,Weak Acid Red BL,Weak Acid Red F-2R,Acid Red F-2R,Acid Red N-2R,Acid Red P-BL,Erionyl Red B
Molecular Formula:C22H15N4NaO4S
Molecular Weight: 454.43
CAS Registry Number:6406-56-0
Manufacturing Methods : 4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and Naphthalen-2-ol coupling.
Properties and Applications: red. Dark red powder. Soluble in water is cloudy brown light orange, soluble in ethanol (orange) and soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid as blue light green, a weak light brown after diluted orange. Its water solution and strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution for dark purple. Apply to polyamide, silk, wool and wool fabric dyeing of, also can used for the polyamide plastic shading. Can also be used in leather dyeing.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4 | 4 | 3-4 | 4 | 4 | 3-4 | 4 | 3-4 |
AATCC | 6 | 3 | 3 | 2-3 | 3 | |||
