Description

Acid Red 227 is a synthetic monoazo acid dye renowned for its vibrant red hue and excellent color fastness properties. This high-performance dye is engineered to deliver consistent, reliable coloration in demanding industrial applications, ensuring product quality and batch-to-batch uniformity. It is primarily utilized by manufacturers in the textile, leather, and paper industries seeking durable and vivid red shades.

Application

• Textile Dyeing: Primary application for dyeing nylon, silk, wool, and modified acrylic fibers to achieve bright red colors with good wash and light fastness.
• Leather Finishing: Used in the coloration of leather goods, providing rich, penetrating color for products like upholstery, garments, and accessories.
• Paper Staining: Employed in the production of specialty papers, including decorative papers and security papers, where color consistency is critical.
• Ink Formulation: A key component in the manufacture of inks for ballpoint pens, stamp pads, and other writing instruments.
• Biological Staining: Finds use in select laboratory and histological staining procedures as a contrast agent.
• Plastics and Polymers: Can be used for mass coloration of certain plastics where acid dye compatibility exists.

Basic Information

Product Name	Acid Red 227
CAS No.	12270-00-7
Molecular Formula	C24H20N4Na2O8S2
Molecular Weight	618.55 g/mol
Synonyms	Acid Red 227; C.I. Acid Red 227; Acid Leather Red G; Nylosan Red F-3GL; Telon Red F3GL; Erionyl Red 3GL; Lissamine Red 3G; 5-[(2,5-Dimethyl-4-sulfophenyl)azo]-6-hydroxy-1-naphthalenesulfonic acid disodium salt
EINECS	235-548-6

Quality Control

Our Acid Red 227 is produced under a stringent quality management system to ensure it meets the high standards required for industrial dyeing and finishing. Each batch is tested for critical parameters including color strength, shade, solubility, and impurity profile to guarantee consistent performance and reliable results in your application. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and conformance to specification is provided with every shipment.

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. The product is light-sensitive; prolonged exposure to direct light should be avoided to prevent color 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	Clear solution at 1%
Ash Content	≤ 1.0%
pH (1% Solution)	6.0 - 8.0

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