Description

C.I. Disperse Violet 40 is a synthetic anthraquinone-based dye belonging to the disperse dye class. It is valued for its ability to impart a bright violet color to synthetic hydrophobic fibers with excellent fastness properties. This product is essential for manufacturers in the textile industry requiring consistent, high-performance coloration for polyester, acetate, and nylon materials. Its specific chemical identity is confirmed by CAS No. 12223-78-8.

Application

• Primary dyeing and printing of polyester fabrics and yarns.
• Coloration of acetate and triacetate fibers for apparel and home furnishings.
• Dyeing of nylon textiles, often requiring pH control for optimal results.
• Used in the mass coloration of synthetic polymers during the melt-spinning process.
• Application in transfer printing processes for intricate designs on synthetic fabrics.
• Potential use for coloring certain plastics and specialty papers.

Basic Information

Product Name	C.I. Disperse Violet 40
CAS No.	12223-78-8
Molecular Formula	C20H19NO5
Molecular Weight	353.37 g/mol
Synonyms	Disperse Violet 40; C.I. 62025; Disperse Violet 4R; 1,4-Diamino-2,3-dihydroanthraquinone; 1,4-Bis(methylamino)anthraquinone; Samaron Violet FBL; Foron Violet E-BL; Dianix Violet D-5B
EINECS	Contact for details

Quality Control

Our C.I. Disperse Violet 40 is manufactured under a strict quality management system. Each batch undergoes comprehensive testing for key parameters including color strength, shade, dispersion stability, and fastness properties to ensure it meets the rigorous demands of industrial textile processing. A Certificate of Analysis (COA) detailing purity, physical form, and performance specifications is provided with every shipment.

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. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark Violet Powder or Granules
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Dispersion Stability	Passes Filter Test
Particle Size	> 95% passes through specified mesh
pH (Aqueous Dispersion)	5.0 - 7.0
Identification (IR)	Conforms to Standard Spectrum

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