Description

Sulphur Black 6 is a high-performance sulfur dye renowned for its deep, intense black coloration and excellent fastness properties. It is a critical component in the textile industry, valued for its cost-effectiveness and ability to produce durable, wash-fast shades on cellulosic fibers. This product is essential for manufacturers of denim, cotton fabrics, and other textiles requiring a robust and economical black dye. The compound is identified by CAS No. 1327-16-8.

Application

• Primary dyeing of cotton fabrics and yarns for apparel and home textiles.
• Key component in the production of denim, providing the characteristic deep black and blue-black shades.
• Dyeing of other cellulosic fibers such as viscose (rayon) and linen.
• Used in the leather industry for coloring leather goods.
• Application in paper coloring for specific grades requiring a black hue.
• Potential use in the coloration of wood and other porous materials.

Basic Information

Item	Detail
Product Name	Sulphur Black 6
CAS No.	1327-16-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfur Black 6; Sulphur Black B; C.I. Sulphur Black 1; C.I. 53185; Immedial Black; Kayaku Sulphur Black; Sulphur Black G; Sulphur Black T
EINECS	215-503-4

Quality Control

Our Sulphur Black 6 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance reliability. Quality parameters including shade, strength, solubility, and fastness properties are rigorously tested against established internal specifications. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee product integrity for your manufacturing processes.

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	Black powder or granules
Shade	Conforms to standard
Strength	100% ± 3%
Moisture Content	≤ 5.0%
Water Solubility	Conforms to standard
Fastness to Washing	≥ 4 (Grey Scale)
Fastness to Rubbing (Dry)	≥ 3-4 (Grey Scale)
Particle Size (if applicable)	Contact for details

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