Ponceau 4R

Ponceau 4R is a synthetic colorant that can be used for food coloring. Ponceau 4R is a strawberry red azo dye that can be used in a variety of foods, usually synthesized from aromatic hydrocarbons, and is stable to light, heat, and acids[1][2].

Product Specifications

CAS Number

[2611-82-7]

Product Name Alternative

Acid Red 18; New Coccine

UNSPSC

12171500

Hazard Statement

H302, H315, H319, H335

Target

Fluorescent Dye

Type

Dye Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/Ponceau-4R.html

Purity

99.84

Solubility

DMSO : 10 mg/mL (ultrasonic; warming; heat to 60°C) |H2O : 25 mg/mL (ultrasonic)

Smiles

O=S(C1=C2C(/N=N/C3=C4C=CC=CC4=C(S(=O)(O[Na])=O)C=C3)=C(O)C=CC2=CC(S(=O)(O[Na])=O)=C1)(O[Na])=O

Molecular Formula

C20H11N2Na3O10S3

Molecular Weight

604.47

Precautions

H302, H315, H319, H335

References & Citations

[1]Rychen G, et al. Safety and efficacy of ponceau 4R for cats, dogs and ornamental fish. EFSA J. 2018 Mar 29;16 (3) :e05222.|[2]Dong Y, et al. Quantification of Ponceau 4R in Foods by Indirect Competitive Enzyme-Linked Immunosorbent Assay (icELISA) . J Agric Food Chem. 2015 Jul 22;63 (28) :6338-45.