Description

C.I. Leuco Sulphur Green 36 is a specialized sulfur-based leuco dye, a key intermediate in the production of Sulfur Green dyes. This compound matters for its role in generating the final, vibrant green colorants used in textile dyeing, offering excellent wash and light fastness properties. Industrial users in the textile and leather processing sectors need it for dyeing cellulose fibers like cotton and viscose, where sulfur dyes are prized for their cost-effectiveness and deep shades.

Application

• Primary Textile Dyeing: As a leuco precursor for dyeing cotton, linen, and other cellulose-based fabrics to achieve green hues.
• Leather Coloring: Used in the dyeing of leather goods, providing rich and durable green colors.
• Paper Staining: Application in specialty paper production for colored effects.
• Intermediate for Pigment Production: Serves as a chemical building block in the synthesis of other colorants and pigments.
• Industrial Fabric Dyeing: For coloring canvas, denim, and other heavy-duty textiles.
• Research & Development: Used in chemical research for developing new dye formulations and studying color chemistry.

Basic Information

Product Name	C.I. Leuco Sulphur Green 36
CAS No.	68511-01-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Leuco Sulphur Green 36; C.I. 53571; Sulfur Green Leuco 36; Leuco Sulfur Green 36; C.I. Leuco Sulfur Green 36; [7,7'-(Phenylazanediyl)bis[4-hydroxy-3,1-naphthylene]] bis[hydrogen sulfate] (leuco form); Vat Green Leuco Intermediate
EINECS	Contact for details

Quality Control

Our C.I. Leuco Sulphur Green 36 is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and performance characteristics. Certificates of Analysis (COA) documenting 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Green to dark green powder or paste
Identification (IR)	Conforms to standard
Assay (Leuco Base)	Min. 90%
Moisture Content	Max. 5.0%
Solubility	Soluble in alkaline reducing solutions
Ash Content	Max. 2.0%

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