Brown HT

Brown HT
Skeletal formula of Brown HT
Space-filling models of the ions in Brown HT
Names
IUPAC name
Disodium 4-[(2E)-2-[(5Z)-3-(hydroxymethyl)-2,6-dioxo-5-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]-1-cyclohex-3-enylidene]hydrazinyl]naphthalene-1-sulfonate
Other names
  • Chocolate Brown HT
  • Food Brown 3
  • C.I. 20285, E155
Identifiers
CAS Number
  • 4553-89-3 checkY
3D model (JSmol)
  • Interactive image
ChEMBL
  • ChEMBL1697823
ChemSpider
  • 21172062
ECHA InfoCard 100.022.659 Edit this at Wikidata
E number E155 (colours)
PubChem CID
  • 6536776
UNII
  • 067L3J47ID checkY
CompTox Dashboard (EPA)
  • DTXSID9020324 Edit this at Wikidata
InChI
  • InChI=1/C27H20N4O9S2.2Na/c32-14-15-13-22(30-28-20-9-11-23(41(35,36)37)18-7-3-1-5-16(18)20)27(34)25(26(15)33)31-29-21-10-12-24(42(38,39)40)19-8-4-2-6-17(19)21;;/h1-13,32-34H,14H2,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2
    Key: BIRIBMFCDVVRKL-NUQVWONBAS
  • [Na+].[Na+].Oc3c(cc(CO)c(O)c3N=Nc2ccc(c1ccccc12)S([O-])(=O)=O)N=Nc5ccc(c4ccccc45)S([O-])(=O)=O
Properties
Chemical formula
 C27H18N4Na2O9S2
Molar mass 652.56 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound

Brown HT, also called Chocolate Brown HT, Food Brown 3, and C.I. 20285, is a brown synthetic coal tar diazo dye.

When used as a food dye, its E number is E155. It is used to substitute cocoa or caramel as a colorant. It is used mainly in chocolate cakes, but can also be found in desserts, cookies, candy, cheeses, teas, yogurts, jams, chocolate drinks, ice creams, fruit products, fish, wafers, breakfast cereals, and other products.[1][2]

It is approved for use by the European Union.[3] It is banned in Australia, Austria, Belgium, Denmark, France, Germany, Norway, Sweden, Switzerland, Russia and the United States.[4]

References

  1. ^ "Brown HT (E155) – Overview, Uses, Side Effects & More". HealthKnight. 10 May 2022. Retrieved 2022-05-21.
  2. ^ Brown HT, Report of the 33rd Session of the Codex Committee on Food Additives.
  3. ^ "EU Approved additives and E Numbers". UK Food Standards Agency.
  4. ^ E155 Archived 2021-03-23 at the Wayback Machine, UK Food Guide.