Description

C.I.Acid Green 83 is a synthetic acid dye belonging to the anthraquinone chemical class, valued for its bright green hue and good fastness properties. It is a critical component for achieving durable and vibrant coloration in various industrial substrates. This dye is essential for manufacturers in the textile, leather, and specialty paper industries seeking consistent, high-quality green shades.

Application

C.I.Acid Green 83 is primarily utilized as a coloring agent where acid dye properties are required. Its key applications include:

• Textile Dyeing: For dyeing protein fibers like wool, silk, and nylon, offering good wash and light fastness.
• Leather Finishing: Used in the coloration of leather goods, providing rich and even green tones.
• Paper Staining: Employed in the production of specialty papers, including decorative and security papers.
• Ink Formulation: A pigment source in the manufacture of certain inks for industrial marking or printing.
• Biological Staining: Potential use as a histological stain in laboratory settings, depending on purity grade.

Basic Information

Product Name	C.I.Acid Green 83
CAS No.	12234-90-1
Molecular Formula	C32H22N4Na2O10S2
Molecular Weight	724.64 g/mol
Synonyms	Acid Green 83; C.I. 61585; Anthraquinone Green G; Acid Leather Green G; Acid Fast Green G; Acid Brilliant Green 6G; Acidol Green M-GL; Telon Green M-GL; Supranol Green GW
EINECS	235-428-9

Quality Control

Our production of C.I.Acid Green 83 adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including spectrophotometric analysis and chromatography, to ensure consistent shade, strength, and purity. Certificates of Analysis (COA) detailing specific batch results are available upon request to support your quality assurance processes.

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.

Specification

Item	Specification
Appearance	Dark green 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%
pH (1% Solution)	6.0 - 8.0
Fastness Properties	To be specified per grade

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