|
 |
| D & C Red 33 - SPECIFICATION |
| ROHA DYECHEM LTD. 42, M.I.D.C, ROHA AUDYOGIK VASAHAT, ROHA-402 116 |
|
| Code No - R99 | Revision No - 00 |
| Name - D & C Red 33 | Serial No - FGS/P/110 |
| Classification - ACID FUCHIN, C.I.NO -17200 | |
| Effective Date - 17/11/2000 | |
| No. | Characteristic | Requirement |
| Total color | 90% min. | |
| 1) | Chemical Name | 5-amino-4-hydroxy-3-(Phenylazo)-2-7-naphtalenedissulfonic acid |
| 2) | Sum of volatile matter (at 135 C) (275 F) And chloride and sulfates | <18% |
| 3) | 4,5-Dihydroxy-3-(Phenylazo)-2-7 naphthalenedisulfonic acid, disodium salt | <0.3% |
| 4) | a) Aniline | <25 ppm |
| b) 4-Aminoazobenzene | <100 ppm | |
| c) 1,2-Diphenyltriazene | <125 ppm | |
| d) 4-Aminobiphenyl | <275 ppm | |
| e) Azobenzene | <1 ppm | |
| 5) | Lead (as Pb) | <20 ppm |
| 6) | Arsenic (as As) | <3 ppm |
| 7) | Mercury (as Hg) | <1 ppm |
Issued by Quality Assurance Department
|