Description

Acid Green 68:1 is a high-performance, water-soluble acid dye belonging to the anthraquinone chemical class. This product is valued for its excellent color fastness, brilliant green shade, and strong affinity for protein-based fibers like wool, silk, and nylon. It is a critical component for textile manufacturers, leather tanneries, and specialty ink producers seeking vibrant, durable coloration. Consistent batch-to-batch quality ensures reliable performance in demanding industrial dyeing processes.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and polyamide (nylon) fibers, offering excellent wash and light fastness.
• Leather Finishing: Used for coloring leather goods, providing rich, uniform shades with good penetration.
• Paper Staining: Employed in the production of specialty colored papers and paper products.
• Ink Manufacturing: A key pigment for formulating inks, including those for ballpoint pens and markers.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Polymer Coloring: Suitable for tinting certain synthetic polymers and plastics during manufacture.

Basic Information

Product Name	Acid Green 68:1
CAS No.	76927-81-6
Molecular Formula	C28H20N2Na2O8S2
Molecular Weight	622.57 g/mol
Synonyms	Acid Green 68:1; C.I. Acid Green 68:1; Acid Green 68 Calcium Salt; Acid Leather Green 2G; Anthraquinone Green 2G; Wool Green 2G; Nylon Green 2G; Lissamine Green 2G
EINECS	Contact for details

Quality Control

Our Acid Green 68:1 is manufactured under a strict quality management system. Every batch is tested against rigorous internal specifications to ensure consistent strength, shade, solubility, and impurity profile. Key parameters such as dye content, ash content, and solubility are verified. A Certificate of Analysis (COA) documenting these results is provided with each 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 strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark green powder or granules
Identification (IR)	Conforms to standard
Assay (Dye Content)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Conforms to standard
Ash Content	Max. 1.0%
Shade & Strength	Within agreed tolerance vs. standard

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