Description

C.I. Sulfur Orange 5 is a synthetic organic pigment belonging to the sulfur dye class, identified by CAS NO 78170-42-0. This product is valued for its bright orange hue and good fastness properties, making it a reliable and cost-effective coloring agent for various industrial substrates. It is primarily sought after by manufacturers in the textile and leather industries requiring durable and vibrant coloration.

Application

• Textile Dyeing: Primary application for dyeing cellulosic fibers like cotton, viscose, and rayon to achieve orange shades.
• Leather Coloring: Used in the dyeing of leather goods, including footwear, apparel, and accessories, for consistent and fast color.
• Paper Staining: Employed for tinting specialty papers, providing an economical coloring solution.
• Wood Staining: Applicable for imparting an orange color to wood surfaces in decorative applications.
• Ink Formulation: Can be utilized in the production of certain types of industrial inks where sulfur dye compatibility is required.

Basic Information

Product Name	C.I. Sulfur Orange 5
CAS No.	78170-42-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfur Orange 5; C.I. 53055; Sulfur Orange R; Sulfur Orange G; Leather Orange G; Kayaku Homodye Orange R; Dye Sulfur Orange 5; Thion Orange G
EINECS	Contact for details

Quality Control

Our C.I. Sulfur Orange 5 is produced under strict quality management systems to ensure batch-to-batch consistency and performance. Quality parameters including shade, strength, and fastness properties are rigorously tested against established standards. A Certificate of Analysis (COA) detailing specific test results is provided with each 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.

Specification

Item	Specification
Appearance	Orange to Brown Powder
Shade	Conforms to Standard
Strength	100 ± 5%
Moisture Content	≤ 5.0%
Water Solubility	Practically Insoluble
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.