Description

Ponceau Mx is a synthetic azo dye widely recognized for its vibrant red color. This compound is valued for its strong tinctorial strength and stability, making it a reliable colorant for demanding applications. It serves as a critical component for industries requiring precise and consistent coloration, including food processing, cosmetics, and biological staining.

Application

• Food Coloration: Used as a color additive in various food products, confectionery, and beverages.
• Cosmetics & Personal Care: Employed in the formulation of lipsticks, blushes, and other pigmented makeup items.
• Biological Staining: Utilized in laboratory settings for staining proteins on nitrocellulose or PVDF membranes in Western blotting techniques.
• Textile Dyeing: Applied for coloring natural and synthetic fibers in the textile industry.
• Ink Manufacturing: Serves as a pigment for printing inks, including those used in packaging and security printing.
• Paper Coloring: Used to impart color to specialty papers and cardboard products.
• Indicator Applications: Can function as a pH indicator in certain analytical chemistry procedures.

Basic Information

Item	Detail
Product Name	Ponceau Mx
CAS No.	7481-49-4
Molecular Formula	C22H16N4Na2O7S2
Molecular Weight	542.49 g/mol
Synonyms	Acid Red 88; C.I. 15620; Ponceau MX; Ponceau 2R; Food Red 5; 2-Naphthalenesulfonic acid, 8-[(2,4-dimethyl-6-sulfophenyl)azo]-7-hydroxy-, disodium salt; Disodium 8-[(2,4-dimethyl-6-sulfonatophenyl)diazenyl]-7-hydroxynaphthalene-1,3-disulfonate
EINECS	231-272-9

Quality Control

Our Ponceau Mx is manufactured under a strict quality management system. Each batch is tested to ensure it meets specifications for identity, purity, and color strength, with compliance to relevant standards for its intended use. Certificates of Analysis (COA) documenting these results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 85%
Loss on Drying	≤ 10.0%
Water Insoluble Matter	≤ 0.2%
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.