Description

Tracid Rubine 5Bl is a synthetic organic dye belonging to the azo dye class, identified by CAS No. 12220-29-0. This high-performance colorant is valued for its strong, stable hue and excellent fastness properties in demanding industrial applications. It is primarily utilized by manufacturers in the textile, leather, and specialty coatings industries seeking reliable and vibrant coloration.

Application

• Textile Dyeing: Used for coloring synthetic fibers like polyamide (nylon) and acetate, providing good wash and light fastness.
• Leather Finishing: Imparts rich, durable color to finished leather goods, including upholstery, footwear, and accessories.
• Ink Formulation: Serves as a key pigment in the production of printing inks for packaging and specialty publications.
• Plastics and Polymers: Employed as a colorant for engineering plastics and synthetic materials requiring consistent coloration.
• Paper Staining: Used in the production of colored papers and paper products where color uniformity is critical.
• Wood Staining: Applied in stains and finishes for decorative wood products and furniture.

Basic Information

Product Name	Tracid Rubine 5Bl
CAS No.	12220-29-0
Molecular Formula	C20H12N2Na2O7S2
Molecular Weight	502.43 g/mol
Synonyms	Acid Rubine 5BL; C.I. Acid Red 299; Rubine 5BL; Acid Leather Rubine 5BL; Tracid Rubine 5BL; Acid Fast Rubine 5BL; Azo Rubine 5BL; Acid Dye Red 299
EINECS	Contact for details

Quality Control

Our Tracid Rubine 5Bl is manufactured under a stringent quality management system. Every batch is tested to ensure it meets precise color strength, shade, and chemical purity specifications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with each shipment to guarantee consistent performance and supply reliability for your production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
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.