Description

C.I.Acid Orange 64 is a synthetic azo dye belonging to the acid dye class, known for its vibrant orange hue. It is valued for its strong affinity to protein fibers like wool, silk, and nylon, providing excellent wash and light fastness properties. This dye is essential for manufacturers in the textile, leather, and paper industries seeking consistent, high-quality coloration for their products. Its reliable performance makes it a key component in formulations requiring durable and bright orange shades.

Application

• Textile Dyeing: Primary application for dyeing wool, silk, and nylon fibers and fabrics.
• Leather Finishing: Used for coloring leather goods, providing rich and uniform orange tones.
• Paper Staining: Employed in the production of specialty colored papers and paper products.
• Ink Formulation: A component in the manufacture of inks for various printing applications.
• Biological Staining: Potential use as a histological stain in laboratory settings (subject to specific grade purity).
• Industrial Coatings: Incorporated into coatings where specific color properties are required.

Basic Information

Product Name	C.I.Acid Orange 64
CAS No.	12731-54-3
Molecular Formula	C16H11N4NaO4S
Molecular Weight	378.34 g/mol
Synonyms	Acid Orange 64; C.I. 17910; Acid Leather Orange G; Acid Orange GS; Acid Orange G; Wool Orange G; Nylosan Orange E-RL; Telon Orange RL; Lanasyn Orange RL; Dermacid Orange 2G
EINECS	235-819-0

Quality Control

Our C.I.Acid Orange 64 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical 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.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Insoluble Matter	≤ 1.0%
Ash Content	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility in Water	Conforms

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