Description

Sulphur Red 10 is a synthetic organic pigment belonging to the class of sulfur dyes, identified by CAS No. 1326-96-1. This high-performance colorant is valued for its excellent tinting strength, good heat stability, and cost-effectiveness in demanding industrial applications. It is primarily utilized by manufacturers in the plastics, synthetic fibers, and coatings industries seeking durable and vibrant red coloration.

Application

• Plastics Coloring: Masterbatch and compound production for polyolefins (PP, PE), PVC, and engineering plastics.
• Synthetic Fibers: Mass pigmentation of polyester, nylon, and polypropylene fibers.
• Industrial Coatings: Formulation of paints, lacquers, and industrial finishes requiring color fastness.
• Printing Inks: Used in the manufacture of packaging and publication gravure inks.
• Rubber Products: Coloring of technical rubber goods, hoses, and seals.
• Paper Coatings: Surface coloring and coating applications for specialty papers.

Basic Information

Product Name	Sulphur Red 10
CAS No.	1326-96-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Red 88; C.I. 73312; Permanent Red FRLL; Vulcan Fast Red FR; Sulphur Red FR; 1-[(2-Chloro-4-nitrophenyl)azo]-2-naphthol; Pigment Red 88
EINECS	215-474-1

Quality Control

Our Sulphur Red 10 is manufactured under a stringent quality management system to ensure batch-to-batch consistency. The product undergoes rigorous testing for key parameters including color strength, hue, particle size distribution, and thermal stability. Certificates of Analysis (COA) documenting purity and performance specifications are available upon request to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	Red Powder
Color Strength	100 ± 5% (vs. Standard)
Hue	Conforms to Standard
Purity (HPLC)	≥ 95.0%
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Particle Size (D50)	≤ 5.0 μm
Heat Stability	≥ 200°C

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