Description

Acid Green 50 is a synthetic organic dye belonging to the acid dye class, known for its vibrant green color and good affinity for protein-based fibers. This high-purity colorant is essential for achieving consistent, wash-fast coloration in demanding industrial applications. It is primarily used by manufacturers in the textile, leather, and specialty paper industries seeking reliable and high-quality dye solutions for nylon, wool, and silk.

Application

• Textile Dyeing: Primary application for dyeing nylon, wool, silk, and other protein fibers to achieve bright green shades with good light and wash fastness.
• Leather Coloring: Used in the dyeing of leather goods, providing rich and uniform color penetration for footwear, apparel, and accessories.
• Paper Staining: Employed in the production of specialty papers, including decorative papers and security papers, where precise color is required.
• Ink Formulation: A colorant component in the manufacture of inks for various printing applications.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Wood Staining: Applied in the woodworking industry to impart green color to wooden surfaces.

Basic Information

Product Name	Acid Green 50
CAS No.	3087-16-9
Molecular Formula	C28H20N2Na2O8S2
Molecular Weight	622.57 g/mol
Synonyms	Acid Green 50; C.I. 44090; Acid Leather Green V; Wool Green S; Naphthol Green S; Acid Green V; Lissamine Green B; Acid Leather Green VS; Green S; C.I. Acid Green 50
EINECS	221-409-1

Quality Control

Our Acid Green 50 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and strength evaluation, to ensure it meets precise colorant specifications. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee consistency and performance for your application.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark green powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Color Strength	100 ± 3%
Moisture Content	Max. 5.0%
Water Insoluble Matter	Max. 0.5%
Shade	Conforms to standard

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