Description

Acid Red 183 is a synthetic monoazo acid dye known for its bright red color and good fastness properties. It is valued for its strong tinctorial strength and compatibility with various substrates, making it a cost-effective coloring solution. This dye is primarily used by manufacturers in the textile, leather, and paper industries for dyeing and printing applications where a vibrant red hue is required.

Application

• Textile Dyeing: For coloring nylon, silk, wool, and other protein-based fibers.
• Leather Finishing: Imparts a uniform and vibrant red color to leather goods.
• Paper Staining: Used in the production of colored papers, tissues, and specialty packaging.
• Ink Formulation: A key component in the manufacture of inks for ballpoint pens, stamp pads, and other writing instruments.
• Wood Staining: Provides a decorative red finish to wood products.
• Biological Staining: Potential use as a histological stain in laboratory settings.

Basic Information

Product Name	Acid Red 183
CAS No.	6408-31-7
Molecular Formula	C22H14N4Na2O7S2
Molecular Weight	556.48 g/mol
Synonyms	Acid Brilliant Red 3B; C.I. Acid Red 183; Acid Leather Red 3B; Nylosan Red F-3B; Supranol Red 3BW; Telon Red F3B; Lissamine Red 3B; Acid Red 3B; 2,7-Naphthalenedisulfonic acid, 5-[(4-chloro-2-nitrophenyl)azo]-4-hydroxy-3-[(2-methylphenyl)azo]-, disodium salt
EINECS	229-077-6

Quality Control

Our Acid Red 183 is manufactured under a strict quality management system. Every batch is tested to ensure consistent color strength, shade, and purity, meeting the specifications required for industrial dyeing applications. A Certificate of Analysis (COA) detailing key parameters such as assay, shade, and solubility is provided with each shipment to guarantee reliable performance in your process.

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
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%

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