Description

Amaranth Red 2 is a synthetic organic dye belonging to the azo class, known for its vibrant red color. This compound is valued for its strong tinctorial strength and stability, making it a reliable colorant for demanding industrial applications. It is primarily sought by manufacturers in the textile, ink, and specialty coatings industries seeking consistent and durable coloration.

Application

• Textile Dyeing: Used for coloring natural and synthetic fibers, including cotton, wool, and nylon.
• Ink Formulation: Serves as a key pigment in the production of printing inks for packaging and publications.
• Industrial Coatings: Imparts color to paints, varnishes, and other surface coatings for plastics and metals.
• Paper Coloring: Employed in the tinting of specialty papers and paper products.
• Leather Finishing: Used in dyes and stains for leather goods.
• Research & Development: Acts as a chemical intermediate or reference standard in laboratory settings.

Basic Information

Product Name	Amaranth Red 2
CAS No.	1342-09-2
Molecular Formula	C20H11N2Na3O10S3
Molecular Weight	604.48 g/mol
Synonyms	Amaranth; FD&C Red No. 2; Acid Red 27; C.I. 16185; E123; Azorubin S; Trisodium (4E)-3-oxo-4-[(4-sulfonato-1-naphthyl)hydrazono]naphthalene-2,7-disulfonate
EINECS	215-700-3

Quality Control

Our Amaranth Red 2 is produced under a rigorous quality management system. Each batch is tested to ensure it meets precise color strength, purity, and solubility specifications. While this product is typically supplied to industrial grade standards, we can provide material compliant with specific regulatory frameworks upon request. A Certificate of Analysis (COA) detailing key parameters is available for every shipment.

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 and sources of ignition.

Specification

Item	Specification
Appearance	Dark red to brownish-red powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 85%
Color Strength	95 - 105% of standard
Moisture Content	Max. 5.0%
Water Solubility	Freely soluble
Ash Content	Max. 30.0%

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