Description

Acidgreen76 CAS NO 12219-96-4 is a synthetic organic dye belonging to the acid dye class, valued for its strong affinity to protein fibers like wool, silk, and nylon. Its primary commercial value lies in providing vibrant, durable green coloration with good light and wash fastness properties in demanding industrial applications. This product is essential for manufacturers in the textile, leather, and paper industries seeking consistent, high-quality dyes for their production processes.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers to achieve a bright green shade.
• Leather Finishing: Used in the coloration of leather goods, providing rich and even color penetration.
• Paper Staining: Employed in the production of specialty colored papers and paper products.
• Ink Formulation: A colorant component in the manufacture of certain inks for industrial printing.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Polymer Coloring: Can be used to color synthetic polymers and plastics where compatibility is confirmed.

Basic Information

Product Name	Acidgreen76
CAS No.	12219-96-4
Molecular Formula	C28H20N2Na2O8S2
Molecular Weight	622.55 g/mol
Synonyms	Acid Green 76; C.I. 61585; Acid Leather Green 2G; Acid Leather Green G; Acid Leather Green GG; Acid Green 2G; Acid Green G; Wool Green 2G
EINECS	Contact for details

Quality Control

Our Acidgreen76 is manufactured under a stringent quality management system. Every batch is tested to ensure it meets precise color strength, purity, and solubility specifications critical for consistent dyeing performance. A comprehensive Certificate of Analysis (COA) detailing parameters such as assay, shade, and impurity profile is provided with each shipment to guarantee reliable quality and batch-to-batch consistency for your production needs.

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 and incompatible materials.

Specification

Item	Specification
Appearance	Dark green powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%

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