Description

C.I. Acid Blue 199 is a high-performance, synthetic acid dye belonging to the anthraquinone chemical class, valued for its brilliant blue hue and excellent fastness properties. This dye is engineered to deliver superior color strength and stability in demanding industrial applications, ensuring consistent and reliable results. It is primarily utilized by manufacturers in the textile, leather, and specialty paper industries for dyeing and printing protein-based and polyamide fibers.

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 deep, uniform penetration and good rub fastness.
• Paper Coloration: Employed in the production of specialty and decorative papers requiring vibrant, stable colors.
• Ink Formulation: A key component in the manufacture of inks for ballpoint pens, stamp pads, and other writing instruments.
• Biomolecule Staining: Used in laboratory and diagnostic applications for staining proteins in gel electrophoresis.
• Polymer Coloring: Suitable for mass coloration of certain synthetic polymers where acid dye affinity is present.

Basic Information

Product Name	C.I. Acid Blue 199
CAS No.	12219-28-2
Molecular Formula	C₄₀H₄₅N₅O₁₂S₃·3Na
Molecular Weight	~ 959.0 g/mol (as sodium salt)
Synonyms	Acid Blue 199; Acid Leather Blue RL; C.I. 74190; Acid Blue RL; Lanasyn Blue S-RL; Telon Blue RL; Nylosan Blue N-RL; Supranol Blue RL; Erionyl Blue RL; Anthraquinone Blue 199
EINECS	Contact for details

Quality Control

Our production of C.I. Acid Blue 199 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance. Every lot is tested against key parameters including color strength, shade, solubility, and impurity profile to meet precise customer specifications. Certificates of Analysis (COA) documenting purity, physical properties, and performance characteristics are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents. The material 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)
Shade	Conforms to Standard
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 30.0%
Particle Size (Pass 80 mesh)	≥ 95%

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