Description

Acid Red 213 CAS NO 12715-60-5 is a synthetic azo dye belonging to the acid dye class, valued for its bright red color and strong affinity for polyamide fibers like nylon and wool. This high-performance dye is engineered to deliver excellent wash and light fastness, ensuring color vibrancy and durability in demanding applications. It is a critical component for textile manufacturers, leather tanneries, and specialty ink producers seeking reliable and consistent red coloration.

Application

• Textile Dyeing: Primary application for dyeing nylon, wool, silk, and other polyamide fibers to achieve vibrant red shades.
• Leather Coloring: Used in the dyeing of leather goods, providing rich and uniform color penetration.
• Paper Staining: Employed for coloring specialty papers, including decorative and security papers.
• Ink Formulation: A key pigment for manufacturing inks used in ballpoint pens, stamp pads, and other writing instruments.
• Wood Staining: Applied in wood finishes and stains to impart a red hue to various timber products.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.

Basic Information

Product Name	Acid Red 213
CAS No.	12715-60-5
Molecular Formula	C32H24N8Na2O8S2
Molecular Weight	774.75 g/mol
Synonyms	Acid Red 213; C.I. 21260; Acid Leather Red 2B; Nylosan Red F-2B; Supranol Red 2BW; Telon Red F-2B; Acid Fast Red 2B; Acid Brilliant Red 2B; Lissamine Red 2B; Acid Red 2B
EINECS	Contact for details

Quality Control

Our Acid Red 213 is manufactured under a stringent quality management system. Every batch is tested to ensure it meets precise specifications for color strength, shade, solubility, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing purity (typically >95% by HPLC), heavy metal content, and other critical parameters is provided with each shipment to guarantee consistency and compliance with industry standards.

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. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Assay (HPLC)	≥ 95.0%
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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