Substances Added to Food (formerly EAFUS)

FD&C YELLOW NO. 5

CAS Reg. No. (or other ID)*:	1934-21-0
Substance*:	FD&C YELLOW NO. 5
Other Names:	♦ FD&C YELLOW NO. 5 ♦ TARTRAZINE ♦ TARTRAZINE LAKE ♦ C.I. ACID YELLOW 23 ♦ TARTRAZINE O ♦ TARTRAZINE YELLOW ♦ D&C YELLOW NO. 5 ♦ YELLOW LAKE 69 ♦ TRISODIUM 4,5-DIHYDRO-5-OXO-1-(4-SULFOPHENYL)-4-((4-SULFOPHENYL)AZO)-1H-PYRAZOLE-3-CARBOXYLATE ♦ C.I. 19140 ♦ C.I. FOOD YELLOW 4 ♦ ACID YELLOW 23 ♦ 1H-PYRAZOLE-3-CARBOXYLIC ACID, 4,5-DIHYDRO-5-OXO-1-(4-SULFOPHENYL)-4-((4-SULFOPHENYL)AZO)-, TRISODIUM SALT ♦ C.I. ACID YELLOW 23, TRISODIUM SALT ♦ FOOD YELLOW NO. 4
Used for*^† (Technical Effect):	COLOR OR COLORING ADJUNCT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT
Color additive regulations (21 CFR Parts 73, 74, 81, 82)*^:	74.1705 74.2705 74.705 82.705
Food additive and GRAS regulations (21 CFR Parts 170-186)*:	176.170 178.1010 178.3297

CAS Reg. No. (or other ID): Chemical Abstract Service (CAS) Registry Number® for the substance or a numerical code assigned by CFSAN to those substances that do not have a CAS Registry Number (977nnn-nn-n series).
Substance: The name of the ingredient as recognized by CFSAN.
Used for^† (Technical Effect): The physical or technical effect(s) the substance has in or on food; see 21 CFR 170.3(o) for definitions.
21 CFR: Title 21 of the Code of Federal Regulations.
FEMA No.: The trade association, Flavor and Extract Manufacturers Association (FEMA), has established expert panels to evaluate and make independent determinations on the GRAS status of flavoring substances. The FEMA number is provided here as a reference to FEMA’s GRAS assessments.
- The GRAS Pub. No. is the FEMA GRAS™ publication number.
- NLFG is no longer FEMA GRAS™.
- For more information about FEMA GRAS, see About the FEMA GRAS™ Program <> .
JECFA: The Joint Expert Committee on Food Additives (JECFA) is an international expert scientific committee that is administered jointly by the Food and Agriculture Organization of the United Nations (FAO) and the World Health Organization (WHO). See JECFA Specifications for Flavourings <>

For a substance to be used as a color additive in the US, it must be authorized by a regulation in 21 CFR Part 73, 74, or 82.