Relevant Data

Food Additives Approved by WHO:


General Information

Chemical nameBrown HT
E No.E 155
INS.155
CAS number4553-89-3
GroupNo
Component of the group Group III, Food colours with combined maximum limit (Group III)

From webgate.ec.europa.eu


Authorisation of the use of this additive in Food Additives

The additive is authorised to be used in the following category(ies):
category(ies) Individual restriction(s)/exception(s) footnote
  • Fresh meat, excluding meat preparations as defined by Regulation (EC) No 853/2004 (8.1)(legislation:1129/2011, applicable as from 01/06/2013)

  • quantum satis , only for the purpose of health marking

  • Processed fish and fisheries products including molluscs and crustaceans (9.2)(legislation:1129/2011, applicable as from 01/06/2013)

  • quantum satis , only precooked crustacean

From webgate.ec.europa.eu


Computed Descriptors

Download SDF
2D Structure
CID14047491
IUPAC Nametetrasodium;(3E)-6-amino-4-oxo-3-[[7-sulfonato-4-[(4-sulfonatophenyl)diazenyl]naphthalen-1-yl]hydrazinylidene]naphthalene-2,7-disulfonate
InChIInChI=1S/C26H19N5O13S4.4Na/c27-20-12-18-13(9-23(20)47(39,40)41)10-24(48(42,43)44)25(26(18)32)31-30-22-8-7-21(17-6-5-16(11-19(17)22)46(36,37)38)29-28-14-1-3-15(4-2-14)45(33,34)35;;;;/h1-12,30H,27H2,(H,33,34,35)(H,36,37,38)(H,39,40,41)(H,42,43,44);;;;/q;4*+1/p-4/b29-28?,31-25-;;;;
InChI KeyXAOPCPOUYMCJFA-PEEPPZCGSA-J
Canonical SMILESC1=CC(=CC=C1N=NC2=C3C=CC(=CC3=C(C=C2)NN=C4C(=CC5=CC(=C(C=C5C4=O)N)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Molecular FormulaC26H15N5Na4O13S4
WikipediaBlack 7984

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight825.627
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count18
Rotatable Bond Count4
Complexity1730.0
CACTVS Substructure Key Fingerprint A A A D c c B 7 v D B w A A A A A A A A A A A A A A A A A A A A A A A w Y M G C A A A A A A D B V A A A H g Q Y A A A A D A y B 2 A A w w c B i A A K q A 6 R y Q H D S B E A k A g A Y i B 0 g Z N g I I D K A l Z G A I Q B g m A A I y Y c c i I C O m A S A w A A S A Q A w C Q G A A C Q C A A A A A A A A A A = =
Topological Polar Surface Area355.0
Monoisotopic Mass824.914
Exact Mass824.914
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count52
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count5

From Pubchem


Taxonomic Classification

KingdomOrganic compounds
SuperclassBenzenoids
ClassNaphthalenes
SubclassNaphthalene sulfonic acids and derivatives
Intermediate Tree NodesNaphthalene sulfonates
Direct Parent2-naphthalene sulfonates
Alternative Parents
Molecular FrameworkAromatic homopolycyclic compounds
Substituents2-naphthalene sulfonate - 2-naphthalene sulfonic acid or derivatives - Benzenesulfonate - Arylsulfonic acid or derivatives - Benzenesulfonyl group - 1-sulfo,2-unsubstituted aromatic compound - Phenylhydrazine - Aryl ketone - Monocyclic benzene moiety - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Organic sulfonic acid or derivatives - Azo compound - Ketone - Propargyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Organic alkali metal salt - Hydrazone - Amine - Organic nitrogen compound - Primary amine - Organic salt - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic sodium salt - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Organic cation - Aromatic homopolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as 2-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 2-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring.

From ClassyFire