Sulphur Orange 4
Name:C.I.Sulphur Orange 4,C.I.53152
Molecular Structure:
CAS Registry Number:1326-74-5
Manufacturing Methods : N-(4-(4-acetamido-3-nitrophenyl)-2-nitrophenyl)acetamide and sulfur or more Sodium sulfide in 200 ~ 250 ℃ calcination. Note: use N-(4-methyl-3-nitrophenyl)acetamide or Benzene-1,4-diamine of acetyl derivatives to cure, and in 200 ~ 300 ℃ under the condition of same roasting, and it can get a little nature of the same color (GP 82748).
Properties and Applications: orange. Soluble in water for brown; In the sodium sulfide solution for yellow brown; In concentrated sulfuric acid to red light brown, dilution after red light brown, precipitation.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
Moderate | Severe | ||||||
ISO | 4 | 4-5 | 4-5 | 4-5 | 5 | 3-4 |
List of Suppliers:
Thiocatechine( Societe Anon vine des Matieres Colorantes et Produit )
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