Description

Brilliant Purpurin R is a synthetic organic dye belonging to the anthraquinone class, known for its vivid and stable coloration properties. This high-purity colorant is essential for industries requiring consistent, reliable, and intense shades for their products. It is primarily sought after by manufacturers in the textile, ink, and specialty coatings sectors for its excellent performance and compatibility.

Application

• Textile Dyeing: Used for dyeing natural and synthetic fibers, providing vibrant and wash-fast colors.
• Ink Formulation: A key pigment for producing high-quality printing inks, including inks for packaging and security printing.
• Industrial Coatings: Imparts durable color to various industrial paints and surface coatings.
• Plastics and Polymers: Employed as a colorant for masterbatches and colored plastic products.
• Leather Finishing: Used in the dyeing and finishing processes for leather goods.
• Paper Coloring: Applied in the production of specialty colored papers and paper products.
• Biological Staining: May serve as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Brilliant Purpurin R
CAS No.	5413-69-4
Molecular Formula	C14H8O5
Molecular Weight	256.21 g/mol
Synonyms	Purpurin R; 1,2,4-Trihydroxyanthraquinone; C.I. 58205; Purpurin (synthetic); Alizarin Bordeaux; Alizarin Purpurin; 1,2,4-Trihydroxy-9,10-anthracenedione; Purpurin Red R
EINECS	226-543-1

Quality Control

Our Brilliant Purpurin R is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous in-house specifications, which typically include parameters for identification, assay, and impurity profiles. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.

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	Reddish-brown to dark red powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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