Name:C.I.Acid Orange 74,C.I.18745
Molecular Structure: Single azo,Metal Complexes
C.I.Acid Orange 74,C.I.18745,CAS 10127-27-2,441.35,C16H12N5NaO7S,Acid Complex Orange GEN,Acid Complex Orange G
Molecular Formula:C16H12N5NaO7S
Molecular Weight: 441.35
CAS Registry Number:10127-27-2
Manufacturing Methods : 3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one matches, will result in aqueous solution with formic acid chromium heating, in 130 ℃ keep 3 hours, make it into a chrome complex.
Properties and Applications: orange. Dark brown powder. Soluble in water for orange, soluble in ethanol, slightly soluble in soluble fiber element. The strong sulfuric acid to dark yellow, diluted into orange; In 10% of sodium hydroxide solution for orange. Used for wool, polyamide fiber and silk dyeing and printing directly, also used in leather and electrochemical aluminum color. Especially for the influential product and the wool carpet dyeing.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6-7 | 4 | 4 | 4 | 4 | 4 | ||
AATCC | 5 | 3-4 | 3-4 | 5 | 4 | 4 | ||
