Description

Sulphur Brown 10 - Leuco is a specialized sulfur-based dye intermediate, specifically the reduced, or leuco, form of Sulphur Brown 10. This compound is crucial for achieving deep, durable brown shades with excellent fastness properties in textile dyeing processes. It is primarily utilized by manufacturers in the textile and leather industries for dyeing cellulose fibers like cotton, viscose, and jute, as well as for leather finishing. Its consistent quality and performance are essential for ensuring color uniformity and meeting stringent industrial specifications.

Application

• Primary dyeing of cellulosic textiles such as cotton, linen, and viscose to produce brown shades.
• Dyeing of blended fabrics containing cellulose fibers for uniform coloration.
• Coloration of leather and suede in tanning and finishing processes.
• Used in the production of paper and packaging materials for specialty coloring applications.
• Potential use in the formulation of wood stains and other industrial colorants.
• As a key chemical intermediate for further synthesis of sulfur dyes and pigments.

Basic Information

Product Name	Sulphur Brown 10 - Leuco
CAS No.	12262-27-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfur Brown 10 Leuco; C.I. Leuco Sulphur Brown 10; Leuco Sulphur Brown G; Sulphur Brown 10 Reduced Form; C.I. 53055; Leuco Sulfur Brown 10; Brown Sulphur Dye Intermediate; Vat Sulphur Brown 10
EINECS	Contact for details

Quality Control

Our Sulphur Brown 10 - Leuco is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for color strength, purity, and application performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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 and incompatible materials. The product is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	Brown to dark brown powder or paste
Identification (IR)	Conforms to standard
Assay (Leuco Content)	Min. 95%
Moisture Content	Max. 5.0%
Ash Content	Max. 2.0%
Solubility	Soluble in alkaline reducing solutions
Shade on Cotton	Conforms to reference standard

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