Description

C.I. Acid Red 174 is a synthetic, water-soluble azo dye belonging to the acid dye class, valued for its bright and durable red coloration. It is a critical component for industries requiring high-quality, consistent, and lightfast coloring of protein-based and polyamide materials. This dye is essential for manufacturers in the textile, leather, and paper industries seeking reliable and vibrant red shades.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers, providing excellent wash and light fastness.
• Leather Finishing: Used for coloring leather goods, offering rich, uniform shades with good penetration.
• Paper Staining: Employed in the production of specialty papers, decorative tissues, and packaging requiring colored stock.
• Ink Formulation: A component in the manufacture of inks for writing, printing, and stamp pads.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Wood Staining: Applied for coloring wood veneers and other porous materials.

Basic Information

Product Name	C.I. Acid Red 174
CAS No.	12235-00-6
Molecular Formula	C32H24N6Na2O10S2
Molecular Weight	770.73 g/mol
Synonyms	Acid Red 174; C.I. 18135; Acid Leather Red G; Nylosan Red F-3GL; Supranol Red 3BW; Telon Red F3GL; Acid Fast Red A; 2,7-Naphthalenedisulfonic acid, 5-[[4-[[2-(acetyloxy)ethyl]ethylamino]-2-methylphenyl]azo]-4-hydroxy-3-[(2-methylphenyl)azo]-, sodium salt (1:2)
EINECS	Contact for details

Quality Control

Our C.I. Acid Red 174 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous in-house specifications for parameters such as color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.

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
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
Shade	Conforms to standard
Solubility in Water	Conforms

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