Description

Sulphur Red 6 CAS NO 1327-85-1 is a synthetic organic pigment belonging to the sulfur dye class, valued for its stable red hue and good fastness properties. It is a critical colorant for industrial applications requiring durable and cost-effective coloration. This product is essential for manufacturers in the textile, leather, and specialty coatings industries seeking reliable pigment performance.

Application

• Primary colorant for the dyeing of cotton, wool, and other cellulosic fibers in the textile industry.
• Pigmentation of leather goods, including footwear, bags, and upholstery.
• Manufacture of printing inks for packaging and commercial printing.
• Coloring agent for paper and paper products.
• Production of colored plastics and rubber materials.
• Formulation of artist's colors and specialty paints.
• Potential use as a stain or biological marker in laboratory settings.

Basic Information

Product Name	Sulphur Red 6
CAS No.	1327-85-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Sulphur Red 6; C.I. 53720; Sulphur Red 6B; Sulphur Red G; Thion Red G; Sulfur Red 6; C.I. Pigment Red 181 (related); Vat Red 1 (related); D&C Red No. 30 (related, check specific grade)
EINECS	215-549-8

Quality Control

Our Sulphur Red 6 is manufactured under a strict quality management system. Each batch undergoes comprehensive testing for key parameters including color strength, shade, solubility, and impurity profile to ensure consistent performance and batch-to-batch uniformity. Certificates of Analysis (COA) documenting these results are available upon request.

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.

Specification

Item	Specification
Appearance	Reddish-brown powder
Color Strength	Standard Depth ± 5%
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Water Soluble Matter	≤ 1.0%
Particle Size (Residue on 80 mesh)	≤ 5.0%
Fastness Properties (Typical)	Light: 4-5; Washing: 3-4; Rubbing: 4

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