Description

Dianix Navy Blue Er-Fs CAS NO 64553-76-0 is a high-performance, navy blue disperse dye specifically engineered for synthetic fibers. It is valued for its excellent color fastness properties, including superior wash, light, and sublimation fastness, ensuring vibrant and durable coloration. This product is essential for manufacturers in the textile and apparel industries seeking reliable and consistent dyeing results for polyester and its blends.

Application

• Primary dyeing of polyester fibers and fabrics.
• Continuous dyeing and printing processes for synthetic textiles.
• Dyeing of polyester/cellulose (e.g., cotton) blends.
• High-temperature pressure dyeing applications.
• Automotive textiles requiring high light and wash fastness.
• Sportswear and outdoor apparel demanding durable colors.
• Home furnishing fabrics such as curtains and upholstery.
• Industrial fabrics where color consistency is critical.

Basic Information

Product Name	Dianix Navy Blue Er-Fs
CAS No.	64553-76-0
Molecular Formula	C20H17N5O6S
Molecular Weight	463.44 g/mol
Synonyms	Dianix Navy Blue ER-FS; C.I. Disperse Blue 291; Disperse Navy Blue ERFS; Navy Blue ER-FS; 1-Amino-4-hydroxy-2-phenoxy-9,10-anthracenedione; Disperse Blue 291; Dianix Navy Blue S-ER; Dianix Navy Blue ER-FS 200%
EINECS	Contact for details

Quality Control

Our Dianix Navy Blue Er-Fs is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against key parameters including color strength, shade, dispersion stability, and fastness properties. A Certificate of Analysis (COA) detailing these specifications is provided with every shipment to guarantee compliance with your technical requirements.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Dispersion Stability	≥ Grade 4
Particle Size	≤ 2 μm (Average)
pH Value (Aqueous Dispersion)	6.0 - 8.0
Fastness to Washing	≥ Grade 4-5
Fastness to Light	≥ Grade 5
Fastness to Sublimation (180°C)	≥ Grade 4

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