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)
| RTL120 (Low 4-MeI) | Download |
| AP100 (discontinued as of 12/01/2018) Not FCC Compliant | Download |
| S190 (Low 4-MeI) | Download |
| RTL4 (Low 4-MeI) | Download |
| RT240 | Download |
| LF235 | Download |
| HPH400 | Download |
4335 (Low 4-MeI)  (Made from cane sucrose)
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| LF363 (Low 4-MeI) | Download |
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SBDS (Made from cane sucrose)
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| STDXX | Download |
| DSL4 (Low 4-MeI) | Download |
| DS400 | Download |
| LF035 (Low 4-MeI) | Download |
| LF320 (Low 4-MeI) | Download |
| BC420 (discontinued as of 12/01/2018) allowed for export only | Download |
| LF410 | Download |
| AP680 | Download |
| LF735 (Low 4-MeI) | Download |
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SBL702 (Made from cane sucrose)
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| 858 | Download |