Description

Cisolventyellow81 CAS NO 12227-56-4 is a high-performance solvent dye belonging to the azo chemical class, valued for its excellent solubility in organic media and strong, vibrant yellow coloration. This compound is essential for manufacturers requiring consistent, high-purity colorants for demanding technical applications. It is primarily utilized in the plastics, inks, coatings, and specialty chemical synthesis industries where color stability and compatibility are critical.

Application

• Plastics Coloring: Masterbatch and compound production for polymers such as polystyrene, ABS, and polycarbonate.
• Ink Formulation: Solvent-based inks for flexographic, gravure, and specialty printing applications.
• Industrial Coatings: Providing durable yellow pigmentation for automotive, wood, and metal coatings.
• Synthetic Fiber Dyeing: Mass coloration of synthetic fibers during the polymer melt stage.
• Lacquers and Varnishes: Imparting transparent to translucent yellow shades in clear finish formulations.
• Specialty Chemical Synthesis: Serving as a chemical intermediate or color marker in advanced organic synthesis.

Basic Information

Product Name	Cisolventyellow81
CAS No.	12227-56-4
Molecular Formula	C18H15N3O3
Molecular Weight	321.33 g/mol
Synonyms	Solvent Yellow 81; C.I. Solvent Yellow 81; 2-[(2-Methoxyphenyl)azo]-N-(2-methoxyphenyl)-3-oxobutanamide; C.I. 12740; Oil Yellow 2G; Aizen SOT Yellow-3; Macrolex Yellow 3G; Thermoplast Yellow 104; Plast Yellow 8910; Ceres Yellow GN
EINECS	235-428-8

Quality Control

Our Cisolventyellow81 is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical testing, including HPLC for assay and impurity profiling, spectrophotometry for color strength, and physical property checks. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your technical specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder or granules
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Color Strength	100 ± 3% (vs. Standard)
Melting Point	158 - 165 °C
Solubility (in Toluene)	Complete, clear solution
Moisture Content (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.