Acid Red 7
Name:C.I.Acid Red 7,C.I.14895
Molecular Structure: Single azo class
C.I.Acid Red 7,C.I.14895,CAS 5858-61-7,509.42,C18H13N3Na2O8S2,Acid Red 6B,Acid Naphthol Red 6B,Acid Pink 6B
Molecular Formula:C18H13N3Na2O8S2
Molecular Weight: 509.42
CAS Registry Number:5858-61-7
Manufacturing Methods : N-(4-aminophenyl)acetamide diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications: blue-ray red. Soluble in water for blue-ray red, part of the soluble in ethanol and acetone, slightly soluble in toluene. The strong sulfuric acid for red, diluted the bright red for; In nitric acid yellow orange for color. In aqueous solution to join strong hydrochloric acid for red; Add sodium hydroxide for yellow brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2 | 5 | 3 | 1 | 4 | 1 | 1 |
| AATCC | 4 | 4 | 4 | 3 | 1 | 1 | 2 | 2 |
List of Suppliers:
Acid Red 6B,Acid Naphthol Red 6B
AcidNaphthol Red 6B (Fenchem Enterprises Ltd)
Acid Pink 6B(Sinochem Liaoning Import & Export Corporation)
Naphthol Red 6B(Sinochem Jiangsu Wuxi Imp & Exp Corp)