Description

Acid Blue 317 is a synthetic acid dye belonging to the anthraquinone class, valued for its bright, stable blue hue and excellent fastness properties. This high-performance dye is engineered to deliver consistent color strength and superior substrate affinity, making it a critical component for achieving reliable and durable coloration. It is primarily utilized in the textile industry for dyeing polyamide fibers like nylon and wool, as well as in the coloration of leather, paper, and specialty inks.

Application

• Primary dyeing of nylon and wool fibers in the textile industry.
• Coloration of leather goods, providing vibrant and wash-fast shades.
• Manufacture of colored paper and specialty paper products.
• Formulation of inks for various printing applications.
• Dyeing of silk and other protein-based fabrics.
• Used as a colorant in the production of certain plastics and coatings.

Basic Information

Product Name	Acid Blue 317
CAS No.	71872-19-0
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.66 g/mol
Synonyms	Acid Blue 317; C.I. Acid Blue 317; Acid Blue A-3G; Nylosan Blue N-3GL; Telon Blue ANL; Acid Leather Blue RL; Supranol Blue GW; Anthraquinone Blue 317; 1-Amino-4-(3-((4-((2,5-dichlorophenyl)amino)-3-sulfonatophenyl)amino)-2,4-disulfonatophenyl)amino)anthraquinone disodium salt
EINECS	Contact for details

Quality Control

Our Acid Blue 317 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against stringent internal specifications for key parameters such as color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) documenting these results 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 incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
pH (1% Solution)	6.0 - 8.0
Shade	Conforms to Standard
Fastness Properties	Contact for details

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