Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

Acid Yellow 23 98.0+%, TCI America™
SDP

Catalog No. p-7129491 Shop All Tokyo Chemical Industry (TCI) Products
Click to view available options
Quantity:
25 g
500 g

Chemical Identifiers

CAS 1934-21-0
Molecular Formula C16H9N4Na3O9S2
Molecular Weight (g/mol) 534.356
MDL Number MFCD00148908
InChI Key UJMBCXLDXJUMFB-UHFFFAOYSA-K
Synonym tartrazine, yellow 5, aizen tartrazine, trisodium salt, food yellow 4, tartrazine fd&c yellow #5, c.i. acid yellow 23, atul tartrazine, erio tartrazine, kako tartrazine
PubChem CID 164825
IUPAC Name trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4H-pyrazole-3-carboxylate
SMILES C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]

Specifications

Quantity 25 g
Formula Weight 534.36
Percent Purity ≥98.0% (HPLC)
Physical Form Crystalline Powder
Chemical Name or Material Acid Yellow 23
EINECSNumber (5)-1402
RTECSNumber UQ6400000
TSCA Yes
Product Content Correction

Your input is important to us. Please complete this form to provide feedback related to the content on this product.

Product Title

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.

Your feedback has been submitted: Thank you for helping us improve our website.