Description

Acid Red 34 is a synthetic, water-soluble azo dye known for its bright red color and good fastness properties. It is a critical component for imparting vibrant and durable red shades to a variety of industrial materials. This dye is primarily utilized by manufacturers in the textile, leather, and paper industries seeking consistent and reliable coloration. Its specific chemical profile, identified by CAS No. 6360-04-9, ensures precise formulation and quality control for demanding applications.

Application

• Textile Dyeing: Used for dyeing wool, silk, and nylon fibers, providing good wash and light fastness.
• Leather Finishing: Imparts a uniform red color to leather goods, including upholstery, footwear, and accessories.
• Paper Coloring: Employed in the production of colored papers, tissues, and specialty packaging materials.
• Ink Formulation: Serves as a colorant for inks used in stamp pads, flexographic, and other specialty printing applications.
• Biological Staining: May be used in histological and microbiological staining procedures as a contrast agent.
• Wood Staining: Applied for coloring wood veneers and other porous materials to achieve decorative red finishes.

Basic Information

Product Name	Acid Red 34
CAS No.	6360-04-9
Molecular Formula	C18H14N4Na2O7S2
Molecular Weight	516.43 g/mol
Synonyms	Acid Red 34; C.I. Acid Red 34; C.I. 17030; Acid Scarlet 3R; Acid Fast Red A; Amido Naphthol Red G; Lissamine Scarlet 3R; Naphthalene Scarlet 4R; Acid Leather Red D; Wool Scarlet 3R
EINECS	228-873-5

Quality Control

Our Acid Red 34 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against stringent in-house specifications for critical parameters including color strength, shade, solubility, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and conformance is provided with every shipment 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 incompatible materials and sources of heat. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. 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.