

share
Solvent Orange 2 CAS NO 2646-17-5
Unit Price:
CAS No.:2646-17-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Solvent Orange 2 is a synthetic organic dye belonging to the azo class, widely recognized for its vibrant orange color and excellent solubility in non-polar to moderately polar organic solvents. This compound is valued for its strong tinting strength and stability in various formulations, making it a critical component for imparting color in industrial applications. It is primarily utilized by manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable and consistent colorants for their products.
Application
- Plastics Coloring: Used as a colorant for thermoplastics like polystyrene, ABS, and polycarbonate.
- Industrial Coatings and Inks: Imparts orange color to solvent-based paints, lacquers, and printing inks.
- Waxes and Polishes: Employed in coloring paraffin waxes, shoe polishes, and floor care products.
- Wood Stains and Varnishes: Provides consistent coloration in wood treatment formulations.
- Specialty Chemical Manufacturing: Serves as an intermediate or colorant in the synthesis of other chemical products.
- Research & Development: Used as a standard or reference material in analytical and material science laboratories.
Basic Information
| Product Name | Solvent Orange 2 |
| CAS No. | 2646-17-5 |
| Molecular Formula | C₁₂H₁₀N₂O |
| Molecular Weight | 198.22 g/mol |
| Synonyms | 1-[(2,4-Dinitrophenyl)azo]-2-naphthol; C.I. Solvent Orange 2; Ceres Orange R; Oil Orange; Sudan Orange R; Waxoline Orange R; Azo Orange R; 2-Naphthol, 1-[(2,4-dinitrophenyl)azo]- |
| EINECS | 220-161-8 |
Quality Control
Our Solvent Orange 2 is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous internal specifications, which typically include parameters for color strength, hue, solubility, and impurity profile. A Certificate of Analysis (COA) detailing the results is provided with every shipment 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 heat sources and incompatible materials.
Specification
| Item | Specification |
|---|---|
| Appearance | Orange to red-orange powder or crystals |
| Identification (IR) | Conforms to standard |
| Assay (HPLC) | ≥ 98.0% |
| Color Strength | 100 ± 5% (vs. Standard) |
| Solubility (in Toluene) | Complete, clear solution |
| Moisture (KF) | ≤ 0.5% |
| Ash Content | ≤ 0.3% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


7-Diethylamino-3-Phenylcoumarin CAS NO 84865-19-0


Solvent Yellow114 CAS NO 75216-45-4


4-[(2,4-Dimethylphenyl)Azo]-2,4-Dihydro-5-Methyl-2-Phenyl-3H-Pyrazol-3-One CAS NO 6407-78-9


Solvent Violet 14 CAS NO 67577-84-8


7-(Diethylamino)Coumarin-3-Carboxylic Acid Ethyl Ester CAS NO 28705-46-6


Solvent Red 195 CAS NO 164251-88-1


Blue 220 CAS NO 114090-18-5


4-(2,4-Xylylazo)-o-Toluidine CAS NO 102-63-6


Solvent Blue 104 CAS NO 116-75-6


[2,9,16,23-Tetranitro-29H,31H-Phthalocyaninato(2-)-N29,N30,N31,N32]Copper CAS NO 118-20-7


1,1'-[(7-Oxo-7H-Benz[De]-3,9-Anthrylene)Diimino]Dianthraquinone CAS NO 129-22-6


Solvent Green 3 CAS NO 128-80-3


Solvent Blue 74 CAS NO 128-86-9


Oil Yellow Ob CAS NO 131-79-3


4-(2,4-Xylylazo)-2,5-Xylidine CAS NO 136-21-0


Benzo[A]Phenaleno[1,9-Hi]Acridine CAS NO 190-07-8


2-(1-Methylnaphtho[1,2-D]Thiazol-2(1H)-Ylidene)-1-Phenylethan-1-One CAS NO 1042-84-8


Solvent Red 1 CAS NO 1229-55-6


2,2'-Bis[4-(Dimethylamino)Phenyl]-2,2'-Bi[Indan]-1,1',3,3'-Tetrone CAS NO 1262-52-8


Solvent Red 27 CAS NO 1320-06-5
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






