Description

Pigment Yellow 173 is a high-performance, organic yellow pigment known for its excellent color strength and durability. This product is valued for its strong tinting power, good lightfastness, and resistance to weathering, making it a reliable choice for demanding applications. It is primarily used by manufacturers in the plastics, coatings, and printing ink industries who require consistent, vibrant yellow hues.

Application

• Coloration of plastics, including PVC, polyolefins, and engineering resins.
• Formulation of industrial and decorative coatings and paints.
• Manufacturing of printing inks for packaging and publications.
• Pigmentation of synthetic fibers and masterbatches.
• Use in specialty applications requiring a bright, opaque yellow colorant.

Basic Information

Product Name	Pigment Yellow 173
CAS No.	96352-23-7
Molecular Formula	C24H18Cl2N6O6
Molecular Weight	541.34 g/mol
Synonyms	Pigment Yellow 173; C.I. Pigment Yellow 173; 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide]; PY 173; Yellow 173; Novoperm Yellow P-HG; Hostaperm Yellow H4G; C.I. 11785
EINECS	Contact for details

Quality Control

Our Pigment Yellow 173 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Each lot undergoes comprehensive testing for key parameters such as color strength, hue, and physical properties. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance protocols.

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 incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Yellow Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Residue on Sieve (63 µm)	≤ 0.5 %
Volatile Matter (105°C)	≤ 2.0 %
pH Value (Aqueous Extract)	6.0 - 8.0

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