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Sulphur Orange 4

Name:C.I.Sulphur Orange 4,C.I.53152

Molecular Structure:

C.I.Sulphur Orange 4,C.I.53152,CAS 1326-74-5,Thiocatechine

C.I.Sulphur Orange 4,C.I.53152,CAS 1326-74-5,Thiocatechine

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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