Description

Vat Red 42 is a high-performance vat dye belonging to the anthraquinone chemical class, known for its excellent color fastness and stability. This compound is crucial for achieving durable and vibrant red shades on cellulosic fibers like cotton, linen, and viscose. It is primarily needed by textile manufacturers and dye houses seeking superior wash, light, and chlorine fastness for high-quality apparel, home textiles, and industrial fabrics.

Application

• Textile Dyeing: Primary application for dyeing cotton, linen, rayon, and other cellulosic fibers to produce fast red colors.
• Yarn Dyeing: Used for coloring yarns intended for weaving or knitting high-fastness fabrics.
• Garment Manufacturing: Employed in the production of durable workwear, uniforms, and outdoor apparel where color retention is critical.
• Home Furnishings: Ideal for dyeing fabrics used in upholstery, curtains, and bed linens that require resistance to light and washing.
• Industrial Fabrics: Suitable for coloring canvas, tarpaulins, and other technical textiles exposed to harsh environmental conditions.
• Leather Coloring: Can be used in specific leather dyeing processes requiring vat dye properties.
• Paper Staining: Potential application for producing colored papers with good lightfastness.

Basic Information

Product Name	Vat Red 42
CAS No.	2987-68-0
Molecular Formula	C₂₆H₁₂N₂O₄
Molecular Weight	416.39 g/mol
Synonyms	C.I. Vat Red 42; C.I. 61650; Vat Red GN; Vat Scarlet GN; Dibenzanthrone; 8,16-Pyranthrenedione, 5,13-dihydro-; Cibanone Red GN; Caledon Red GN; Indanthren Red GN; Mikethrene Red GN; Nihonthrene Red GN; Solanthrene Red GN
EINECS	221-050-9

Quality Control

Our Vat Red 42 is manufactured under strict quality management systems to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including purity assay, shade strength, and fastness property evaluation. A Certificate of Analysis (COA) detailing specific test results is provided with each shipment to guarantee compliance with agreed specifications.

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 heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Shade	Conforms to standard
Strength	100 ± 3%
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Particle Size	Contact for details
Fastness Properties	Contact for details

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