Description

C.I. Acid Red 396 is a high-performance synthetic dye belonging to the azo chemical class, valued for its vibrant red color and excellent fastness properties. This product is engineered to deliver consistent, reliable coloration and strong adhesion to various substrates, making it a critical component for manufacturers requiring durable and vivid hues. It is primarily utilized in the textile, leather, and specialty paper industries for dyeing and printing applications where color stability is paramount.

Application

• Textile Dyeing: Primary application for dyeing nylon, wool, and silk fibers, providing excellent wash and light fastness.
• Leather Finishing: Used in the coloration of leather goods, including footwear, bags, and upholstery, offering rich and uniform shades.
• Paper Coloring: Employed in the production of specialty papers, decorative papers, and security papers requiring specific colorants.
• Ink Formulation: A key pigment for manufacturing inks used in writing instruments, stamp pads, and certain printing processes.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Plastics and Polymers: Can be incorporated for coloring certain types of plastics and synthetic materials.

Basic Information

Product Name	C.I. Acid Red 396
CAS No.	77907-17-6
Molecular Formula	C32H21N7Na2O10S2
Molecular Weight	773.71 g/mol
Synonyms	Acid Red 396; C.I. 28215; Acid Leather Red 2B; Nylosan Red F-3B; Telon Red F3B; Acid Fast Red A2B; Azo Rubine S-BL; Acid Brilliant Red 3B
EINECS	Contact for details

Quality Control

Our production of C.I. Acid Red 396 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including color strength, shade, solubility, and impurity profile to meet precise customer specifications. Certificates of Analysis (COA) documenting purity, physical properties, and conformance are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents. The material is light-sensitive; prolonged exposure to direct light should be avoided to prevent degradation.

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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