Description

Acid Green 62 is a synthetic acid dye belonging to the anthraquinone class, valued for its vibrant green hue and good lightfastness. It is a critical component for imparting durable color to protein-based fibers like wool, silk, and nylon, ensuring consistent batch-to-batch results. This dye is essential for manufacturers in the textile, leather finishing, and specialty paper industries seeking reliable and high-performance coloring agents.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and polyamide (nylon) fibers to achieve a bright green shade.
• Leather Coloration: Used in the finishing process to color leather goods, providing rich and even tones.
• Paper Staining: Employed for coloring specialty papers, including decorative and security papers.
• Ink Formulation: A component in the manufacture of certain inks for industrial marking or specialty printing.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Polymer Coloring: Suitable for mass coloration of specific synthetic polymers where acid dye compatibility is required.

Basic Information

Product Name	Acid Green 62
CAS No.	6472-56-6
Molecular Formula	C28H20N2O8S2·2Na
Molecular Weight	622.55 g/mol (Disodium salt)
Synonyms	Acid Green 62; C.I. 62045; Anthraquinone Green G; Acid Leather Green G; Wool Green S; Alizarine Brilliant Green GS; C.I. Acid Green 62; Acid Fast Green G; Dermina Green G; Hexacol Green GS; Sandolan Green E-BL
EINECS	229-304-8

Quality Control

Our Acid Green 62 is manufactured under a strict quality management system to ensure consistent purity and performance. Each batch is tested against key parameters including color strength, shade, solubility, and impurity profile to meet the demanding standards of the textile and leather industries. A Certificate of Analysis (COA) detailing specific test results is provided with every shipment to guarantee traceability and compliance.

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. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Dark green powder or granules
Identification (IR)	Conforms to standard
Assay (Color Strength)	≥ 98%
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Matches reference standard
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.