Description

C.I.Acid Yellow 24 is a synthetic monoazo acid dye widely recognized for its bright, clear yellow hue. It is valued for its strong affinity to protein fibers like wool and silk, as well as polyamide, providing good colorfastness properties. This dye is essential for manufacturers in the textile, leather, and paper industries seeking reliable and vibrant yellow coloration. Its compatibility with other acid dyes also makes it a key component for creating a broad spectrum of shades.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers.
• Leather Finishing: Used for coloring leather goods, providing rich and uniform yellow tones.
• Paper Staining: Employed in the production of specialty colored papers and paper products.
• Ink Formulation: A colorant component in certain types of inks, including stamp pad and flexographic inks.
• Biological Staining: Utilized in histology and microscopy as a stain for tissue samples.
• Wood Staining: Applied for decorative coloring of wood surfaces.
• Food Contact Material Coloring: May be used for coloring packaging materials where direct food contact is not intended.

Basic Information

Product Name	C.I.Acid Yellow 24
CAS No.	10142-54-8
Molecular Formula	C16H13N3Na2O7S2
Molecular Weight	477.40 g/mol
Synonyms	Acid Yellow 24; C.I. 10315; Wool Yellow 2G; Acid Leather Yellow 2G; Lissamine Yellow 2G; Acid Fast Yellow E-2G; Kiton Yellow 2G; Aizen Acid Yellow 2G; Supranol Yellow GG; Erio Yellow 2G
EINECS	233-396-0

Quality Control

Our C.I.Acid Yellow 24 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Quality is verified through comprehensive testing including purity assay, shade strength, solubility, and fastness properties. Certificates of Analysis (COA) detailing all relevant specifications are provided with each shipment to support your quality assurance protocols.

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	Yellow to orange-yellow powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Water Solubility	Conforms
Shade & Strength	Within agreed tolerance vs. standard
pH (1% Solution)	6.0 - 8.0

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