C.I. No.: 26100 
     CAS No.:85-86-9
     Chemical Family: AZO series
  Foreign relative brand:
     Sudan Red  BK[W] (BASF)
     Oil  Scarlet G (SIC)
     Fat  Red HRR(HOECHST) 
     Orbanol  Red BSB(ICI)
  Transparence Yellowish Red H 
  Solvent red 23 Properties: 
     The product is yellowish transparent red  oil solvent dye. It is of good heat resistance, good light resistance and high  tinting strength and bright color.
     Solvent Red 23 application: Mainly used  in coloring of polystyrene, estron, polymethyl methacrylate, ABS resin, rigid  polyvinyl chloride etc,such as:  . 
| PS | HIPS  | 
         ABS  | 
         PC  | 
         RPVC  | 
         PMMA  | 
         SAN  | 
         AS  | 
         PA6  | 
         PET  | 
       
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         -  | 
         -  | 
       
          Note: "
"Superior ,"
"Applicable ,"
"Not Recommended.
     Also used in paint, ball  pen ink and the raw liquor of terylene fibre. 
  Solvent red  23 Physical properties, light fastness and Recommended Dosage:
| Density(g/cm3) | Melting    Point(  | 
         light fastness (in PS)  | 
         recommended Dosage  | 
       |
transparent  | 
         Nontransparent  | 
       |||
0.24  | 
         205  | 
         5-6  | 
         0.025  | 
         0.05  | 
       
Light  Fastness: Consist of 1st to 8th grade, and the 8th grade is superior, the 1st  grade is bad. 
     The heat resistance in PS can  reach to 250
.
     Degree of  pigmentation: 0.05% dyes+0.1%titanium dioxide R
  
  Solvent Red 23 Solubility in Organic Solvent  at  20
.:  (g/l) 
| acetone | butyl acetate  | 
         methylbenzene  | 
         dichloromethane  | 
         ethylalcohol  | 
       
3.1  | 
         3.2  | 
         7.7  | 
         17.1  | 
         2.1  | 
       
NOTE: Above data are only for reference.