Description

Acid Orange 94 is a synthetic azo dye belonging to the acid dye class, characterized by its vibrant orange color and strong affinity for protein-based fibers. Its primary value lies in providing excellent color fastness and level dyeing properties on substrates like wool, silk, and nylon. This product is essential for manufacturers in the textile, leather, and specialty paper industries seeking reliable and consistent coloration. Acid Orange 94 CAS NO 61724-28-5 is also utilized in the formulation of inks and other colorant systems.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and polyamide (nylon) fibers, offering good wash and light fastness.
• Leather Coloring: Used in the dyeing of leather goods, providing rich and uniform orange shades.
• Paper Staining: Employed for coloring specialty papers, including decorative and packaging materials.
• Ink Formulation: A component in the manufacture of inks for various printing applications.
• Biological Staining: Potential use as a histological stain in laboratory settings for microscopic analysis.
• Other Substrates: Can be used for dyeing feathers, straw, and other proteinaceous materials.

Basic Information

Product Name	Acid Orange 94
CAS No.	61724-28-5
Molecular Formula	C32H24N4Na2O8S2
Molecular Weight	694.66 g/mol
Synonyms	Acid Orange AG; C.I. Acid Orange 94; Acid Leather Orange AG; Lanasyn Orange 2GL; Supranol Orange GW; Nylosan Orange E-3GL; Acid Fast Orange AG; 2,7-Naphthalenedisulfonic acid, 5-[[4-[(2,4-dinitrophenyl)azo]-1-naphthalenyl]azo]-, disodium salt
EINECS	Contact for details

Quality Control

Our Acid Orange 94 is manufactured under a strict quality management system. Every batch undergoes comprehensive testing to ensure it meets precise specifications for color strength, shade, solubility, and impurity profiles. We provide Certificates of Analysis (COA) with key parameters to guarantee batch-to-batch consistency and performance reliability for your industrial processes.

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 and incompatible materials.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Shade	Conforms to standard
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 0.5%
Assay (HPLC)	≥ 95.0%
Heavy Metals (as Pb)	≤ 20 ppm

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