Description

Direct Green 89 is a synthetic, substantive dye belonging to the direct dye class, widely recognized for its strong affinity to cellulosic fibers. Its primary value lies in providing a deep, clear green shade with excellent build-up properties and good overall fastness, making it a cost-effective coloring solution for industrial applications. This product is essential for manufacturers in the textile, paper, and leather industries seeking reliable and consistent dyeing performance. The compound is identified by CAS No. 86167-94-4.

Application

• Textile Dyeing: Primary application for dyeing cotton, viscose, rayon, and other cellulosic fabrics, offering good wash and light fastness.
• Paper Coloring: Used in the mass coloration of paper products, including packaging materials, stationery, and decorative papers.
• Leather Finishing: Employed for dyeing leather goods, providing uniform and penetrating color for items like upholstery, bags, and apparel.
• Ink Formulation: Serves as a colorant in the manufacture of inks for various printing applications.
• Wood Staining: Applied in wood treatment processes to impart a green color to timber and wood-based products.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis (subject to specific purity grades).

Basic Information

Product Name	Direct Green 89
CAS No.	86167-94-4
Molecular Formula	C34H23N9Na4O16S4
Molecular Weight	1085.88 g/mol
Synonyms	Direct Green 89; C.I. Direct Green 89; Direct Green B; Direct Green GS; Direct Green S; Direct Green 5G; Amanil Green S; Atul Direct Green S; Benzo Green S; Chlorazol Green S; Diamine Green S; Pyrazol Green S
EINECS	Contact for details

Quality Control

Our Direct Green 89 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Each lot is tested against established specifications for key parameters including color strength, shade, solubility, and impurity profile. 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 heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to prevent degradation of the dye.

Specification

Item	Specification
Appearance	Dark green to black powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Solubility in Water	Conforms
pH (1% Solution)	6.0 - 8.0

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