Description
Tartrazine, 25mg
analytical standard
Synonym(s):
Acid Yellow 23
About This Item
Empirical Formula (Hill Notation):
C16H9N4Na3O9S2
CAS Number:
1934-21-0
Molecular Weight:
534.36
Colour Index Number:
19140
Beilstein/REAXYS Number:
69850
EC Number:
217-699-5
MDL number:
MFCD00148908
UNSPSC Code:
85151701
PubChem Substance ID:
329747588
E Number:
E102
NACRES:
NA.24
Properties
grade
analytical standard
Quality Level
100
assay
≥97.0% (HPLC)
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
cleaning products
cosmetics
food and beverages
personal care
format
neat
SMILES string
[Na+].[Na+].[Na+].[O-]C(=O)C1=NN(c2ccc(cc2)S([O-])(=O)=O)C(=O)C1N=Nc3ccc(cc3)S([O-])(=O)=O
InChI
1S/C16H12N4O9S2.3Na/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);;;/q;3*+1/p-3
InChI key
UJMBCXLDXJUMFB-UHFFFAOYSA-K
Description
General description
Tartrazine is a synthetic azo dye, commonly found in drugs, food products and cosmetics.[1][2] It can be synthesized by the reaction of sulfanilic acid with 3-carboxy-l-(4-sulfophenyl)-5-pyrazolone.
Application
Tartrazine may be used as reference standard for the determination of tartrazine in commercial soft drinks using thin layer chromatography and ion-pair high performance liquid chromatography.[3]
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Safety Information
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves