Description

C.I.Sulphur Brown 6 is a synthetic sulfur dye belonging to the class of complex organic compounds. This high-performance dye is valued for its excellent color fastness and cost-effectiveness in demanding industrial applications. It is primarily utilized by manufacturers in the textile and leather industries for dyeing cellulosic fibers, providing deep, durable brown shades.

Application

• Primary dyeing of cotton, linen, and other cellulosic fibers in the textile industry.
• Dyeing of blended fabrics where a sulfur dye is the preferred colorant for the cellulosic component.
• Coloration of viscose rayon and other regenerated cellulose materials.
• Leather finishing and dyeing for upholstery, apparel, and accessories.
• Used in the production of paper for specialty packaging or decorative purposes.
• Potential applications in the coloration of wood and other natural polymers.

Basic Information

Product Name	C.I.Sulphur Brown 6
CAS No.	1327-25-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfur Brown 6; C.I. 53015; Sulphur Brown 6; C.I. Sulphur Brown 6; Leather Brown G; Sulfur Brown G; Kayaku Homodye Brown G; Dye Sulphur Brown 6; Thion Brown G
EINECS	215-518-8

Quality Control

Our C.I.Sulphur Brown 6 is manufactured under a strict quality management system. Each batch is tested to ensure consistent shade, strength, and application performance. Key parameters such as color value, solubility, and fastness properties are verified. A Certificate of Analysis (COA) detailing these specifications is provided with every shipment to guarantee product integrity and traceability.

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 moisture to maintain product stability and shelf life.

Specification

Item	Specification
Appearance	Brown to dark brown powder
Shade	Conforms to standard
Strength	100 ± 3%
Moisture Content	≤ 5.0%
Water Solubility	Partially soluble
Alkali Solubility	Conforms to standard
Fastness Properties (Typical)	Good to very good

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