Tartrazine is a synthetic lemon yellow azo dye primarily used as a food coloring. Tartrazine is water-soluble and has a maximum absorbance in an aqueous solution at 425 nm.

Product information

CAS Number: 1934-21-0

Molecular Weight: 534.36

Formula: C16H9N4Na3O9S2

Chemical Name: trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[2-(4-sulfonatophenyl)diazen-1-yl]-4,5-dihydro-1H-pyrazole-3-carboxylate

Smiles: [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1N=NC1C=CC(=CC=1)S([O-])(=O)=O

InChiKey: UJMBCXLDXJUMFB-GLCFPVLVSA-K

InChi: 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/b18-17+;;;

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : 50 mg/mL (93.57 mM; Need ultrasonic). H2O : 50 mg/mL (93.57 mM; Need ultrasonic).

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 ^oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 ^oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

Products are for research use only. Not for human use.