Description

Sulphur Blue 10 is a synthetic organic dye belonging to the sulfur dye class, identified by CAS No. 1327-62-4. It is valued for its excellent color fastness, particularly to washing and light, and its cost-effectiveness in producing deep blue shades. This dye is primarily used in the textile industry for dyeing cellulosic fibers like cotton and viscose, making it essential for manufacturers of denim, workwear, and other durable fabrics.

Application

• Textile Dyeing: Primary application for dyeing cotton, linen, viscose, and other cellulosic fibers to achieve deep navy and black shades.
• Denim Production: Used in the dyeing process for denim yarn and fabric, contributing to the classic indigo and blue-black colors.
• Workwear and Uniforms: Ideal for dyeing fabrics requiring high wash and light fastness, such as industrial workwear, military uniforms, and safety apparel.
• Home Textiles: Applied in the coloration of towels, bed linens, and upholstery fabrics where durability is key.
• Leather Dyeing: Used in some processes for dyeing leather goods, providing rich, stable blue tones.
• Paper Coloring: Employed in specialty paper production where deep blue coloration is required.

Basic Information

Product Name	Sulphur Blue 10
CAS No.	1327-62-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfur Blue 10; C.I. Sulphur Blue 10; C.I. 53235; Sulphur Blue BN; Immedial Blue BN; Hydron Blue BN; Kayaku Sulphur Blue BN; Sulphur Navy Blue; D&C Blue No. 10 (obsolete); C.I. 53230 (related); Thion Blue BN
EINECS	215-546-8

Quality Control

Our Sulphur Blue 10 is manufactured under a strict quality management system. Each batch undergoes rigorous testing for key parameters including color strength, shade, solubility, and fastness properties to ensure consistency and performance. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Dark Blue to Black Powder or Granules
Color Strength	Standard Depth ± 5%
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Solubility	Conforms to Standard
Particle Size (if granular)	As per customer requirement
Fastness Properties (Typical)	Wash: 4-5; Light: 5-6; Rubbing: 4

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