Description

C.I. Solvent Orange 41 is a high-performance, oil-soluble monoazo solvent dye renowned for its vibrant orange hue and excellent solubility in non-polar media. This compound is essential for providing durable and stable coloration in a wide range of industrial applications where water resistance and compatibility with organic matrices are critical. It is primarily sought after by manufacturers in the plastics, coatings, and specialty ink sectors for its reliable performance and batch-to-batch consistency.

Application

• Coloration of hydrocarbon-based solvents, fuels, and lubricants.
• Mass pigmentation of engineering plastics such as polystyrene (PS), polycarbonate (PC), and ABS.
• Manufacturing of specialty printing inks, including flexographic and gravure inks.
• Staining and identification of industrial waxes, polishes, and wood stains.
• Coloring of synthetic fibers during melt spinning processes.
• Used as a colorant for decorative and protective coatings.
• Potential use in the coloration of specialty adhesives and sealants.
• Marker dye applications in industrial fluids and gases.

Basic Information

Product Name	C.I. Solvent Orange 41
CAS No.	61901-91-5
Molecular Formula	C17H14N4O4
Molecular Weight	338.32 g/mol
Synonyms	Solvent Orange 41; Oil Orange R; Ceres Orange R; Aizen SOT Orange 1; Sudan Orange R; C.I. 11920; 1-[[4-[(2,4-Dimethylphenyl)azo]phenyl]azo]-2-naphthol; 1-((4-((2,4-Dimethylphenyl)azo)phenyl)azo)-2-naphthalenol
EINECS	263-218-4

Quality Control

Our production of C.I. Solvent Orange 41 adheres to stringent quality management protocols to ensure product integrity and performance. Each batch is analyzed for critical parameters including color strength, hue, solubility, and impurity profile. Certificates of Analysis (COA) documenting these results are available upon request, providing full traceability and compliance with relevant industry specifications.

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 heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Orange to reddish-brown powder or granules
Identification (IR)	Conforms to standard
Color Strength	100 ± 3% (vs. Standard)
Assay (HPLC)	≥ 98.0%
Solubility (in Toluene)	Complete, clear solution
Moisture (KF)	≤ 1.0%
Ash Content	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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