Description

Acid Violet 48 is a synthetic organic dye belonging to the anthraquinone class, known for its vibrant violet hue and excellent color fastness properties. This high-performance dye is valued for its ability to deliver consistent, brilliant coloration with strong affinity to various substrates. It is primarily utilized in the textile industry for dyeing natural and synthetic fibers, as well as in the coloration of leather, paper, and specialty inks. Our supply of Acid Violet 48 CAS NO 12220-51-8 ensures reliable quality for demanding industrial applications.

Application

Acid Violet 48 is a versatile dye with applications across several industries requiring high-quality violet coloration.

• Textile Dyeing: Primary application for dyeing wool, silk, nylon, and modified acrylic fibers to achieve deep, wash-fast violet shades.
• Leather Finishing: Used in the dyeing of leather goods, providing rich and uniform color penetration.
• Paper Coloring: Employed in the production of specialty papers, including decorative and packaging materials.
• Ink Manufacturing: A key component in formulating inks for ballpoint pens, stamp pads, and other writing instruments.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Polymer Coloring: Can be incorporated into certain plastics and polymers during manufacture.

Basic Information

Product Name	Acid Violet 48
CAS No.	12220-51-8
Molecular Formula	C20H12N2Na2O8S2
Molecular Weight	534.42 g/mol
Synonyms	Acid Violet A; C.I. 62045; Acid Violet 5B; Anthraquinone Violet; Sodium 1-amino-4-[(4-aminophenyl)amino]-9,10-dihydro-9,10-dioxo-2-anthracenesulfonate; 1-Amino-4-(p-aminophenyl)aminoanthraquinone-2-sulfonic acid sodium salt; Acid Leather Violet 5B; Supranol Violet 5B
EINECS	Contact for details

Quality Control

Our Acid Violet 48 is manufactured under strict quality management protocols to ensure batch-to-batch consistency and performance. Each lot undergoes comprehensive analytical testing, including spectrophotometric analysis for color strength and purity assessment. A Certificate of Analysis (COA) detailing specific test results for parameters such as purity, shade, solubility, and impurity profile is provided with every shipment to guarantee it meets your technical specifications.

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	Dark Violet Powder
Identification (IR)	Conforms
Color Strength	100 ± 3% (vs. Standard)
Purity (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.