Acid Red 99
Name:C.I.Acid Red 99,C.I.23285
Molecular Structure: Double azo class
C.I.Acid Red 99,C.I.23285,CAS 3701-40-4,726.69,C34H24N4Na2O8S2,Acid Red RS,Fast Red RX,Red RM,Fast Red GRS
Molecular Formula:C34H24N4Na2O8S2
Molecular Weight: 726.69
CAS Registry Number:3701-40-4
Manufacturing Methods : 4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-2,7-disulfonic acid and Naphthalen-2-ol coupling.
Properties and Applications: red. Soluble in water for red, soluble in ethanol for orange. The strong sulfuric acid for dark purple, pink is diluted. In water solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5 | 3-4 | 4-5 | 4-5 | 3-4 | 4-5 | 4-5 | 5 |
| AATCC | 4-5 | 4 | 4 | 5 | 3-4 | 3-4 | 5 | 5 |
List of Suppliers:
Acid Red RS 125% ( Global Colors Inc. )
Akacid Red RS 125%(Aakash Chemicals & Dyestuffs Inc)
Best Acid Milling Red FRS( Oriental Giant Dyes and Chemical Ind Corp )
Dynacid Red RS( Dynamic Industries Ltd )
Milling Fast Red RX( Multicrom SA )
Multicuer Red BRX( Multicrom SA )
Nylon Red RM 125%(Classic Dyestuffs Inc)
Shikiso Acid Red RS( Kaseihin Kogyo Kyokai )
Triacid Fast Red GRS (Chemische Fabriek Triade BV)