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> Main
CHEBI:68629 - tartrazine acid
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ChEBI Name
tartrazine acid
ChEBI ID
CHEBI:68629
Definition
A pyrazoles which is pyrazole-3-carboxylic acid substituted by an oxo group at position 5, a 4-sulfophenyl group at position 1 and (4-sulfophenyl)diazenyl group at position 4.
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This entity has been manually annotated by the ChEBI Team.
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Formula
C16H12N4O9S2
Net Charge
0
Average Mass
468.41800
Monoisotopic Mass
468.00457
InChI
InChI=1S/C16H12N4O9S2/c21-
15-
13(18-
17-
9-
1-
5-
11(6-
2-
9)
30(24,25)
26)
14(16(22)
23)
19-
20(15)
10-
3-
7-
12(8-
4-
10)
31(27,28)
29/h1-
8,13H,(H,22,23)
(H,24,25,26)
(H,27,28,29)
/b18-
17+
InChIKey
RFKITWRHKUYMRJ-ISLYRVAYSA-N
SMILES
OC(=O)C1=NN(C(=O)C1\N=N\c1ccc(cc1)S(O)(=O)=O)c1ccc(cc1)S(O)(=O)=O
Roles Classification
Chemical Role
(s):
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Br
o
nsted base).
(via
oxoacid
)
View more via ChEBI Ontology
ChEBI Ontology
Outgoing
tartrazine acid (
CHEBI:68629
)
is a
arenesulfonic acid (
CHEBI:33555
)
tartrazine acid (
CHEBI:68629
)
is a
monoazo compound (
CHEBI:48959
)
tartrazine acid (
CHEBI:68629
)
is a
monocarboxylic acid (
CHEBI:25384
)
tartrazine acid (
CHEBI:68629
)
is a
pyrazoles (
CHEBI:26410
)
tartrazine acid (
CHEBI:68629
)
is conjugate acid of
tartrazine(3−) (
CHEBI:68628
)
Incoming
tartrazine(3−) (
CHEBI:68628
)
is conjugate base of
tartrazine acid (
CHEBI:68629
)
IUPAC Name
5-
oxo-
1-
(4-
sulfophenyl)-
4-
[(
E
)-
(4-
sulfophenyl)diazenyl]-
4,5-
dihydro-
1
H
-
pyrazole-
3-
carboxylic acid
Registry Numbers
Types
Sources
34175-08-1
CAS Registry Number
ChemIDplus
951071
Reaxys Registry Number
Reaxys
Last Modified
25 August 2023