Description

Acid Red 115 is a synthetic, water-soluble azo dye belonging to the acid dye class, widely recognized for its vibrant red hue. Its primary value lies in its excellent affinity for protein fibers like wool, silk, and nylon, providing strong, bright coloration with good wash and light fastness properties. This dye is essential for manufacturers in the textile, leather, and paper industries seeking reliable and consistent colorants for their products. The compound is also identified by the CAS registry number 8005-61-6.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, nylon, and modified acrylic fibers to achieve bright red shades.
• Leather Finishing: Used in the coloration of leather goods, providing rich and durable color.
• Paper Staining: Employed in the production of colored papers, tissues, and specialty packaging.
• Ink Formulation: A component in the manufacture of inks for various printing applications.
• Biological Staining: Potential use as a histological stain in laboratory settings.
• Cosmetics & Personal Care: May be used in the formulation of certain hair dyes and color cosmetics, subject to regional regulatory approval.

Basic Information

Product Name	Acid Red 115
CAS No.	8005-61-6
Molecular Formula	C22H14N4Na2O7S2
Molecular Weight	556.48 g/mol
Synonyms	Acid Red 115; C.I. 27200; Acid Leather Red BG; Naphthalene Scarlet 4R; Acid Fast Red A; Lissamine Scarlet 4R; Acid Brilliant Red 4B; Wool Red B
EINECS	Contact for details

Quality Control

Our Acid Red 115 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot is tested against rigorous in-house specifications for key parameters such as color strength, shade, solubility, and impurity profile. While this product is typically supplied to industrial grade standards, we can discuss compliance with specific requirements. A Certificate of Analysis (COA) 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.

Specification

Item	Specification
Appearance	Red to dark red 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
Heavy Metals (as Pb)	≤ 20 ppm

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