Description

C.I. Acid Red 384 is a synthetic, water-soluble azo dye belonging to the acid dye class, widely recognized for its vibrant red color and good fastness properties. This dye is engineered for exceptional performance in applications requiring strong, durable coloration with good leveling and migration characteristics. It is a critical component for manufacturers in the textile, leather, and paper industries seeking reliable and consistent red shades for their products.

Application

• Textile Dyeing: Primary application for dyeing protein fibers such as wool, silk, and nylon, as well as for printing on these substrates.
• Leather Finishing: Used for coloring leather goods, providing rich, uniform red tones with good light and rub fastness.
• Paper Coloring: Employed in the production of specialty papers, including decorative and packaging papers, requiring specific color hues.
• Ink Formulation: A component in the manufacture of inks for various marking and writing instruments.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Wood Staining: Applied in wood treatment processes to impart a consistent red color to wooden surfaces.

Basic Information

Product Name	C.I. Acid Red 384
CAS No.	71838-41-0
Molecular Formula	C32H21N5Na2O8S2
Molecular Weight	713.65 g/mol
Synonyms	Acid Red 384; C.I. 17045; Acid Leather Red G; Acid Leather Red GN; Acid Leather Red GNS; Acid Leather Red GNT; Acid Leather Red GNW; Acid Leather Red GNY; Acid Red G; Acid Red GN; Nylosan Red F-3GL; Telon Red F-3GL
EINECS	Contact for details

Quality Control

Our production of C.I. Acid Red 384 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed against key parameters including color strength, shade, solubility, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

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 and sources of ignition.

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (IR)	Conforms to standard
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

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