Description

C.I.Sulphur Red 5 is a synthetic organic pigment belonging to the sulfur dye class, identified by CAS No. 1327-98-6. This compound is valued for its ability to provide durable and cost-effective coloration, particularly in applications requiring good fastness properties. It is primarily sought after by manufacturers in the textile and leather industries for dyeing natural and synthetic fibers. Its specific hue and chemical stability make it a reliable choice for industrial-scale coloring processes.

Application

• Primary dyeing of cotton, rayon, and other cellulosic fibers in the textile industry.
• Coloration of leather goods, including footwear, upholstery, and accessories.
• Used in the production of paper and paperboard for specialty packaging and decorative purposes.
• Potential use as a colorant for wood stains and other non-food contact materials.
• Application in the dyeing of bast fibers like jute and hemp for industrial fabrics.
• Manufacture of inks for specific industrial marking or printing applications.

Basic Information

Product Name	C.I.Sulphur Red 5
CAS No.	1327-98-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfur Red 5; C.I. 53810; Sulphur Red 5; C.I. Pigment Red 5 (Note: Verify specific application); Thion Red; Sulfur Dye Red 5; Leather Red 5; C.I. Sulphur Red 5
EINECS	Contact for details

Quality Control

Our C.I.Sulphur Red 5 is produced under a strict quality management system to ensure batch-to-batch consistency and performance reliability. Each lot undergoes rigorous testing for key parameters including color strength, shade, solubility, and fastness properties. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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 container should be kept tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Reddish-brown powder or granules
Color Strength	Standard depth ± 5%
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Water Solubility	Practically insoluble
Ash Content	≤ 2.0%
Particle Size	Passes through specified mesh

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