Description

C.I. Acid Green 99 is a synthetic organic dye belonging to the acid dye class, known for its vibrant green color. It is valued for its strong affinity to protein fibers like wool, silk, and nylon, providing excellent color fastness and level dyeing properties. This dye is essential for manufacturers in the textile, leather, and paper industries seeking high-quality, consistent green coloration for their products.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, nylon, and other polyamide fibers.
• Leather Finishing: Used for coloring leather goods, providing rich and durable green shades.
• Paper Staining: Employed in the production of specialty colored papers and paper products.
• Ink Formulation: A colorant component in the manufacture of certain inks and toners.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Wood Staining: Applied for decorative coloring of wood and related materials.

Basic Information

Product Name	C.I. Acid Green 99
CAS No.	61968-02-3
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.66 g/mol
Synonyms	Acid Green 99; C.I. 61565; Acid Leather Green 2G; Acid Green 2G; Acid Fast Green 2G; Acidol Green 2G; Aminyl Green F-2GL; Derma Green 2G; Supranol Green 2G; Telon Green 2G; Nylosan Green F-2GL; Acid Leather Green G; Acid Green G
EINECS	Contact for details

Quality Control

Our C.I. Acid Green 99 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous in-house specifications for color strength, purity, and solubility. A Certificate of Analysis (COA) detailing key parameters 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 place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

Specification

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

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