Class IV, Sulfite Ammonia Caramel Colors, are comparable to E150d. The carbohydrate raw material is heated in the presence of both sulfite and ammonium compounds. The resulting Caramel Color carries a negative. Class IV Caramel Colors are the most widely produced Caramel Colors, and are commonly found in colas.
(Sulfite and ammonia reactants)
| AP100 (discontinued as of 12/01/2018) Not FCC Compliant | Download |
| S190 (Low 4-MeI) | Download |
| RTL120 (Low 4-MeI) | Download |
| RTL4 (Low 4-MeI) | Download |
| RT240 | Download |
| LF235 | Download |
| HPH400 | Download |
| LF363 (Low 4-MeI) | Download |
| STDXX | Download |
SBDS  (Made from cane sucrose) | Download |
| SBL4 (Made from cane sucrose) | Download |
| DSL4 (Low 4-MeI) | Download |
| DS400 | Download |
| CM29 (discontinued as of 12/01/2018) | Download |
| LF035 (Low 4-MeI) | Download |
| LF320 (Low 4-MeI) | Download |
| RT325 (discontinued as of 12/01/2018) | Download |
| BC420 (discontinued as of 12/01/2018) | Download |
| LF410 | Download |
| AP680 | Download |
| 722 (discontinued as of 12/01/2018) | Download |
| LF735 (Low 4-MeI) | Download |
| SB702 (discontinued as of 12/01/2018) (Made from cane sucrose) | Download |
| SBL702 (Made from cane sucrose) | Download |
| 858 | Download |