Description

Stenolana Orange R CAS NO 76822-87-2 is a high-performance synthetic organic pigment belonging to the azo chemical class. This pigment is valued for its excellent color strength, good lightfastness, and strong tinting properties, making it a critical component for achieving vibrant and durable orange hues. It is primarily sought after by manufacturers in the coatings, plastics, and printing ink industries who require consistent, high-quality coloration for their products.

Application

• Primary colorant for industrial and decorative paints and coatings, including automotive finishes.
• Mass coloration of plastics such as PVC, polyolefins, and engineering resins.
• Formulation of printing inks for packaging, publications, and textiles.
• Coloring of synthetic fibers and masterbatches.
• Pigmentation for leather finishes and artificial leather products.
• Manufacture of colored construction materials like concrete and siding.
• Used in specialty artists' colors and hobby paints.

Basic Information

Product Name	Stenolana Orange R
CAS No.	76822-87-2
Molecular Formula	C24H15ClN4O5S
Molecular Weight	506.92 g/mol
Synonyms	Pigment Orange 64; C.I. 12760; PV Orange H4G; Cromophtal Orange GP; Irgazin Orange D 3040; Permanent Orange D 3040; 1-[(2-Chloro-4-nitrophenyl)azo]-2-naphthalenol; 1-[(2-Chloro-4-nitrophenyl)azo]-2-naphthol
EINECS	Contact for details

Quality Control

Our Stenolana Orange R is manufactured under a stringent quality management system to ensure batch-to-batch consistency and performance. Quality parameters including color strength, hue, particle size distribution, and chemical purity are rigorously tested against established specifications. Certificates of Analysis (COA) documenting these results are available for every shipment upon request.

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. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Orange Powder
Identification (IR)	Conforms to Standard
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Purity (HPLC)	≥ 96.0%
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Water Soluble Matter	≤ 1.5%
Particle Size (D50)	0.2 - 0.5 µm

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