Description

Acidred317 CAS NO 12220-39-2 is a high-purity synthetic dye belonging to the azo dye class, valued for its vibrant red color and strong affinity to various substrates. This compound is essential for industries requiring consistent, high-quality coloration with excellent light and wash fastness properties. It is primarily used by manufacturers in the textile, leather, and specialty ink sectors seeking reliable and efficient dyeing solutions.

Application

• Textile Dyeing: For coloring natural and synthetic fibers, including cotton, wool, and polyester blends.
• Leather Finishing: Used in the dyeing process for leather goods such as apparel, footwear, and upholstery.
• Ink Manufacturing: As a colorant in the production of specialty inks for packaging and printing.
• Paper Coloration: For tinting paper products where specific color standards are required.
• Plastics and Polymers: Incorporation into plastic masterbatches for colored plastic products.
• Research & Development: Serves as a standard or intermediate in chemical synthesis and analytical research.

Basic Information

Product Name	Acidred317
CAS No.	12220-39-2
Molecular Formula	C22H14N4Na2O7S2
Molecular Weight	556.48 g/mol
Synonyms	Acid Red 317; C.I. Acid Red 317; Acid Red 317 (C.I. 18130); Sodium 4-hydroxy-3-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-1-naphthalenesulfonate; 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-, disodium salt; Acid Leather Red 2B; Leather Red 2B; Acid Leather Red D-2B
EINECS	Contact for details

Quality Control

Our Acidred317 is manufactured under a strict quality management system to ensure batch-to-batch consistency and compliance with industry specifications. Each lot is tested for critical parameters including purity, shade strength, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance protocols.

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	Red to dark red powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Insoluble Matter	Max. 0.5%
Heavy Metals (as Pb)	Max. 20 ppm
Shade and Strength	Within agreed commercial tolerance

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