Description

Acid Green 43 is a synthetic organic dye belonging to the acid dye class, identified by CAS No. 12219-88-4. It is valued for its strong affinity for protein fibers and polyamide materials, providing vibrant and wash-fast coloration. This dye is essential for manufacturers in the textile, leather, and paper industries seeking reliable and consistent green shades.

Application

• Primary dyeing and printing of wool and silk fabrics.
• Coloration of nylon and other polyamide fibers.
• Leather finishing for footwear, upholstery, and accessories.
• Paper staining for specialty and decorative papers.
• Ink formulation for specific printing applications.
• Biological staining in microscopy and laboratory research.

Basic Information

Product Name	Acid Green 43
CAS No.	12219-88-4
Molecular Formula	C28H20N2Na2O8S2
Molecular Weight	622.58 g/mol
Synonyms	Acid Green 43; C.I. 61570; Lissamine Green B; Wool Green S; Acid Leather Green V; Food Green 4; C.I. Acid Green 43; Acid Brilliant Green BS
EINECS	Contact for details

Quality Control

Our Acid Green 43 is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise color strength, solubility, and purity specifications. Certificates of Analysis (COA) detailing key parameters are available upon request to support your quality assurance protocols.

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	Standard depth ± 5%
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Shade	Matches reference standard
Solubility in Water	Conforms

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