Acid Orange 8
Name:C.I.Acid Orange 8,C.I.15575
Molecular Structure: Single azo class
C.I.Acid Orange 8,C.I.15575,CAS 5850-86-2,364.35,C17H13N2NaO4S,Acid Orange 2R,Orange 53L,Orange RR
Molecular Formula:C17H13N2NaO4S
Molecular Weight: 364.35
CAS Registry Number:5850-86-2
Manufacturing Methods : 4-Amino-3-methylbenzenesulfonic acid diazo, and Naphthalen-2-ol coupling.
Properties and Applications: red light orange. For red orange is soluble in water, soluble in soluble fiber element, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid for blue-ray in red, yellow and orange solution diluted into and precipitation; In nitric acid solution for wine red and then into orange. Its water solution and strong hydrochloric acid is cherry red; Add sodium hydroxide with brown precipitation. Used for wool, silk, cotton, vinegar, polyamide fiber and fiber dyeing. Also used for paper, leather dyeing, the heavy metal salt used in organic pigments.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 1 | 2 | 3 | 1 | 3 | 2-3 | 1 |
| AATCC | 4 | 1 | 1 | 3 | 2 | 2 | 1 | 1 |
List of Suppliers:
Acid Orange 2R ( Global Colors Inc. )
Acid Orange RO ( Ciech SA )
Acid Orange ROMP (Classic Dyestuffs Inc)
Acid Orange RR(Classic Dyestuffs Inc)
Akacid orange RA Conc. (Aakash Chemicals & Dyestuffs Inc)
Anthosin Orange 53L( BASF Aktiengesellschaft )
Bemacid Orange R ( Berncolors-Poughkeepsie Inc )
Brilliant Orange R ( S A des Ets. Steiner )
Classic Acid Orange 8 (Classic Dyestuffs Inc)
Intracid Fast Orange 2R (Yorkshire Group pic)
Intracid Fast Orange 2R (Classic Dyestuffs Inc)
Leadacid Orange RO ( Leadertech Colors Inc. )
Orange R( Clariant GmbH )
Orange RO ( Frado )
Permalon Orange RO( Standard Dyes )
Triacid Orange RO(Chemische Fabriek Triade BV)