Description

C.I. Reactive Blue 105 is a high-performance, reactive anthraquinone dye renowned for its brilliant blue hue and excellent fastness properties. This product is engineered for demanding applications where color vibrancy, wash-fastness, and chemical stability are paramount. It is a critical component for textile manufacturers, leather processors, and specialty paper producers seeking reliable and consistent coloration.

Application

• Textile Dyeing and Printing: Primary application for dyeing cotton, viscose, silk, and other cellulosic fibers, offering excellent wash and light fastness.
• Leather Finishing: Used for coloring leather goods, providing rich, penetrating color with good rub resistance.
• Paper Coloration: Employed in the production of specialty and decorative papers requiring high color value.
• Ink Formulation: A key pigment for manufacturing inks where reactive properties and color intensity are needed.
• Research & Development: Serves as a standard or intermediate in chemical research and analytical laboratories.
• Biomedical Staining: Potential use as a biological stain in histological applications due to its chromophoric properties.

Basic Information

Product Name	C.I. Reactive Blue 105
CAS No.	60202-37-1
Molecular Formula	C29H19ClN7O11S3
Molecular Weight	781.14 g/mol
Synonyms	Reactive Blue 105; Reactive Blue H-EGN; C.I. 612055; Remazol Brilliant Blue R; Levafix Brilliant Blue E-BRA; Procion Blue H-EGN; Drimarene Brilliant Blue K-2RL; Anthraquinone Blue Dye
EINECS	262-161-7

Quality Control

Our production of C.I. Reactive Blue 105 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Every lot is tested against key parameters including color strength, shade, solubility, and reactive group content. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance metrics is provided with each shipment to guarantee it meets your specific application 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 and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark Blue Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
pH (1% Solution)	6.0 - 8.0
Shade	Conforms to Standard
Fastness Properties	As per application requirements

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