Acid Yellow 23

• CAS: 1934-21-0
• Catalog Number: ACM1934210
• Category: Acid Dyes
• Molecular Weight: 534.36
• Molecular Formula: C₁₆H₉N₄Na₃O₉S₂
• Synonyms: CI NO 19140;CI ACID YELLOW 23;CI 19140;E102;LAKE TARTRAZINE;KITON YELLOW T;HYDRAZINE YELLOW;FOOD YELLOW NO 4
• Melting Point: 300°C
• Hazard Statements: Xn
• Safety Description: 22-36/37-45-24/25
• Supplemental Hazard Statements: H317-H334
• Symbol: GHS08

Custom Q&A

What is the molecular formula of Acid Yellow 23?

The molecular formula of Acid Yellow 23 is C16H9N4Na3O9S2.

What are some synonyms for Acid Yellow 23?

Some synonyms for Acid Yellow 23 include Tartrazine, Yellow 5, and Food Yellow 4.

What is the molecular weight of Acid Yellow 23?

The molecular weight of Acid Yellow 23 is 534.4 g/mol.

What is the role of Acid Yellow 23 as described in the reference?

Acid Yellow 23 is described as a colour additive for desserts, candies, preserves, beverages, prepared meats, and canned and frozen vegetables.

How is Acid Yellow 23 described in the ChEBI database?

Acid Yellow 23 is described as an organic sodium salt that is the trisodium salt of tartrazine acid, used as a food coloring and histological dye.

What is the InChIKey of Acid Yellow 23?

The InChIKey of Acid Yellow 23 is UJMBCXLDXJUMFB-UHFFFAOYSA-K.

What is the canonical SMILES representation of Acid Yellow 23?

The canonical SMILES representation of Acid Yellow 23 is C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].

What is the CAS number of Acid Yellow 23?

The CAS number of Acid Yellow 23 is 1934-21-0.

What are some related CAS numbers to Acid Yellow 23?

Some related CAS numbers to Acid Yellow 23 are 34175-08-1 (parent), 74920-66-4 (barium salt), and 84681-80-1 (barium salt (2:3)).

What is the molecular weight of Acid Yellow 23 according to PubChem?

The molecular weight of Acid Yellow 23 is 534.4 g/mol, computed by PubChem 2.2.

Synthetic Use

Downstream Synthesis Route 1

• 1934-21-0

• 106-50-3

Reference: [1]Oturkar, Chetan C.; Othman, Munif A.; Kulkarni, Mahesh; Madamwar, Datta; Gawai, Kachru R.
[RSC Advances, 2013, vol. 3, # 9, p. 3062 - 3070]

* For details of the synthesis route, please refer to the original source to ensure accuracy.