Description

Acid Orange 144 is a synthetic azo dye belonging to the acid dye class, valued for its bright orange hue and strong affinity for protein-based fibers. Its primary commercial value lies in providing excellent color fastness, particularly to light and washing, in demanding textile applications. This dye is essential for manufacturers in the textile and leather industries seeking vibrant, durable coloration for wool, silk, and nylon products.

Application

• Primary dyeing of wool and silk fabrics and yarns.
• Coloration of nylon fibers in textiles and carpets.
• Leather dyeing for footwear, apparel, and upholstery.
• Ink formulation for specialized printing applications.
• As a colorant for paper and other specialty materials.
• Used in biological staining for microscopy (specific grades).

Basic Information

Product Name	Acid Orange 144
CAS No.	61814-64-0
Molecular Formula	C32H24N8Na2O8S2
Molecular Weight	758.66 g/mol
Synonyms	Acid Orange AG; C.I. Acid Orange 144; Acid Fast Orange AG; Lanasyn Orange S-AG; Supranol Fast Orange AG; Nylosan Orange E-AG; Telon Orange AG; Acid Leather Orange AG
EINECS	Contact for details

Quality Control

Our Acid Orange 144 is produced under a stringent quality management system. Each batch undergoes comprehensive testing to ensure consistent shade, strength, and purity, meeting the specifications required for industrial dyeing processes. A Certificate of Analysis (COA) detailing parameters such as color strength, solubility, and impurity profile is provided with every shipment to guarantee traceability and performance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials and moisture to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95%
Color Strength	100 ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Water Solubility	Conforms
Ash Content	≤ 1.0%

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