Description

Acid Red 195 is a synthetic, water-soluble azo dye belonging to the acid dye class, valued for its bright and vivid red color. It is a critical component for imparting durable and wash-fast coloration to protein-based and polyamide fibers. This dye is essential for manufacturers in the textile, leather, and paper industries seeking consistent, high-quality red shades for their products.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers, providing excellent color fastness.
• Leather Finishing: Used for coloring leather goods, offering rich and uniform shades.
• Paper Coloration: Employed in the production of specialty colored papers and paper products.
• Ink Manufacturing: A colorant component for certain types of inks, including those for ballpoint pens and markers.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Polymer Coloring: Can be used for tinting specific synthetic polymers and plastics.

Basic Information

Product Name	Acid Red 195
CAS No.	12220-24-5
Molecular Formula	C31H21N5Na2O8S2
Molecular Weight	709.63 g/mol
Synonyms	Acid Red 195; C.I. Acid Red 195; Acid Leather Red 2GL; Nylosan Red F-2GL; Telon Red F2GL; Erionyl Red 2GL; Lissamine Red 2G; Acid Fast Red A2G; 2-Naphthalenesulfonic acid, 7-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-1,3,6-trisulfo-, sodium salt
EINECS	Contact for details

Quality Control

Our Acid Red 195 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets defined specifications for color strength, purity, and solubility. A Certificate of Analysis (COA) detailing assay, shade, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and performance reliability.

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
Assay (HPLC)	≥ 95.0%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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