Description

Disperse Orange 25 is a synthetic organic dye belonging to the azo class, widely recognized for its bright orange hue. It is a critical component in the coloration of synthetic fibers, offering excellent dispersion properties and colorfastness. This product is essential for manufacturers in the textile and plastics industries seeking reliable and vibrant dyeing solutions.

Application

• Primary dye for polyester and acetate fibers.
• Coloration of polyamide (nylon) textiles.
• Pigmentation for specific plastics and synthetic resins.
• Used in the manufacture of transfer printing inks and papers.
• Application in the laboratory as a staining agent or colorimetric indicator.
• Potential use in the coloration of acrylic fibers in specialized formulations.

Basic Information

Product Name	Disperse Orange 25
CAS No.	12223-22-2
Molecular Formula	C18H14N4O2
Molecular Weight	318.33 g/mol
Synonyms	Disperse Orange 25; C.I. 11227; 1-(2,4-Dinitrophenylazo)-2-naphthol; 2-Naphthol, 1-[(2,4-dinitrophenyl)azo]-; Disperse Orange GR; Amacel Orange G; C.I. Disperse Orange 25; 1-[(2,4-Dinitrophenyl)azo]-2-naphthalenol
EINECS	235-413-4

Quality Control

Our Disperse Orange 25 is manufactured under a stringent quality management system. Each batch undergoes comprehensive analysis to ensure consistency in color strength, dispersion stability, and purity. Certificates of Analysis (COA) detailing key parameters are provided to guarantee compliance with your technical requirements.

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)
Purity (HPLC)	≥ 98.0%
Moisture Content	≤ 1.0%
Ash Content	≤ 0.5%
Dispersion Stability	Passes test
Particle Size	> 95% passes 80 mesh

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