Description

Acid Yellow 3 is a synthetic organic dye belonging to the azo dye class, identified by CAS NO 39354-67-1. It is valued for its bright, vivid yellow hue and good solubility in aqueous systems, making it a versatile colorant for industrial applications. This product is essential for manufacturers in the textile, paper, and leather industries seeking consistent and reliable coloring agents.

Application

Acid Yellow 3 is primarily used as a colorant where a bright yellow shade is required. Its key applications include:

• Textile Dyeing: For coloring protein fibers like wool, silk, and nylon.
• Leather Finishing: Imparting color to leather goods and accessories.
• Paper Staining: Used in the production of colored papers and specialty packaging.
• Ink Formulation: A component in the manufacture of inks for various printing applications.
• Biological Staining: Potential use as a microscopic stain in laboratory settings.
• Specialty Coatings: For coloring coatings and paints where acid dyes are applicable.

Basic Information

Product Name	Acid Yellow 3
CAS No.	39354-67-1
Molecular Formula	C16H13N3Na2O7S2
Molecular Weight	477.40 g/mol
Synonyms	Acid Yellow 3; C.I. 47005; D&C Yellow No. 10; Food Yellow 7; Quinoline Yellow WS; Acid Leather Yellow 3GN; Acid Fast Yellow 3G; E104
EINECS	254-476-6

Quality Control

Our Acid Yellow 3 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise color strength, purity, and solubility specifications. A Certificate of Analysis (COA) detailing key parameters such as assay, hue, and impurity profile is provided with every shipment to guarantee consistent quality and performance for your production needs.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 85%
Color Strength	95 - 105% (vs. Standard)
Moisture Content	Max. 5.0%
Water Solubility	Conforms
Ash Content	Max. 30.0%

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