Description

Disperse Blue 7 is a synthetic anthraquinone derivative dye widely used in the textile industry. Its primary value lies in providing excellent color fastness and brilliant blue shades on hydrophobic synthetic fibers. This product is essential for manufacturers and processors involved in dyeing polyester, acetate, and nylon materials. We supply high-purity Disperse Blue 7 CAS NO 3179-90-6 to meet the stringent quality demands of industrial-scale production.

Application

• Primary dyeing of polyester fibers and fabrics.
• Coloration of cellulose acetate and triacetate textiles.
• Dyeing of nylon and other synthetic polyamide materials.
• Used in the production of colored plastics and resins.
• Formulation of inks for specialized printing applications.
• Manufacture of transfer papers for sublimation printing.

Basic Information

Product Name	Disperse Blue 7
CAS No.	3179-90-6
Molecular Formula	C₂₀H₁₃NO₄
Molecular Weight	331.32 g/mol
Synonyms	1,4,5,8-Tetraaminoanthraquinone; C.I. 62500; Disperse Blue 7; Celliton Blue Extra; Artisil Blue BGL; Foron Blue S-BGL; Samaron Blue FBL; Serinyl Blue BGL; C.I. Disperse Blue 7; 1,4,5,8-Tetraminoanthraquinone
EINECS	221-663-7

Quality Control

Our Disperse Blue 7 is produced under strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, shade, and dispersion stability. A Certificate of Analysis (COA) detailing purity, physical properties, and performance characteristics is provided with every shipment to guarantee compliance with your technical specifications.

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

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (Standard)
Shade	Matches Standard
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes Test

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