Description

Basic Red 27 is a synthetic cationic (basic) dye belonging to the azo class, widely recognized for its vibrant red color and strong affinity for polyacrylonitrile fibers. This product is essential for achieving consistent, high-quality coloration in demanding industrial applications where colorfastness and brightness are critical. It is primarily used by manufacturers in the textile, paper, and leather industries seeking reliable and efficient dyeing solutions.

Application

• Textile Dyeing: Primary application for dyeing acrylic fibers, modacrylic, and certain polyamide fibers to produce brilliant red shades with good wash and light fastness.
• Paper Coloring: Used in the surface coloring and tinting of specialty papers, including decorative and packaging materials.
• Leather Finishing: Employed in the dyeing of leather goods to provide uniform and vibrant red coloration.
• Ink Manufacturing: Serves as a colorant in the formulation of inks for various printing applications.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Item	Detail
Product Name	Basic Red 27
CAS No.	12221-53-3
Molecular Formula	C21H21ClN6O3S
Molecular Weight	472.95 g/mol
Synonyms	Basic Red 27; C.I. 12175; Aizen Cathilon Red GTLH; Astrazon Red GTL; Maxilon Red GTL; Sandocryl Red B-GSL; Sevron Red GTL; Sumiacryl Red N-GSL; 1,3-Benzenedicarboxamide, N1,N3-bis[4-[(2-chloro-4-nitrophenyl)azo]phenyl]-; Cationic Red GTL
EINECS	Contact for details

Quality Control

Our Basic Red 27 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested for critical parameters including color strength, shade, solubility, and impurity profile. A Certificate of Analysis (COA) documenting 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	Dark Red Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Clear Solution at 1%
Ash Content	≤ 1.0%

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