Sulphur Brown 24
Name:C.I.Sulphur Brown 24,C.I.53025
Molecular Structure:
CAS Registry Number:1326-43-8
Manufacturing Methods : 1-Methyl-2,4-dinitrobenzene and 4-(4-Aminophenyl)benzenamine with Sodium polysulfide in 200 ℃ calcination 4 hours, then use Sodium hydroxide treatment its product.
Properties and Applications: yellow brown. Slightly soluble in water. In the Sodium sulfide solution solubility is good, for yellow brown; In concentrated sulfuric acid slightly soluble in for yellow brown.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
Moderate | Severe | ||||||
ISO | 3 | 5 | 3-4 | 5 | (Alkali)4-5 | 5 | 4-5 |
AATCC |
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