Description

Sudangreen is a synthetic organic dye belonging to the azo class, identified by CAS NO 4392-68-1. This compound is valued for its strong and stable color properties, making it a critical component in various industrial coloring processes. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries seeking reliable and consistent pigmentation.

Application

• Textile Dyeing: Used for coloring synthetic and natural fibers, providing vibrant and wash-fast hues.
• Ink Formulation: Serves as a key pigment in the production of printing inks for packaging and publications.
• Industrial Coatings: Incorporated into paints and coatings for plastics, metals, and other substrates.
• Paper Coloring: Applied in the manufacture of colored papers and paper products.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Plastics and Polymers: Used to impart color to various plastic resins and polymer materials during production.

Basic Information

Product Name	Sudangreen
CAS No.	4392-68-1
Molecular Formula	C29H32N2Na2O8S2
Molecular Weight	662.68 g/mol
Synonyms	Sudan Green; Sudan Green G; C.I. Solvent Green 3; C.I. 61565; Oil Green; Waxoline Green G; Ceres Green G; 1,4-Bis(butylamino)-9,10-anthracenedione bis(hydrogen sulfate) sodium salt
EINECS	224-509-8

Quality Control

Our Sudangreen is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications.

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 incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Dark green powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in organic solvents

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