Description

Pigment Red Hf4C is a high-performance organic pigment belonging to the diketopyrrolopyrrole (DPP) class, known for its exceptional color strength and durability. This pigment offers outstanding value for applications requiring brilliant, clean red shades with superior fastness properties. It is an essential raw material for manufacturers in the coatings, plastics, and specialty printing ink industries seeking vibrant and stable coloration.

Application

• Industrial Coatings: Used in automotive OEM and refinish paints, coil coatings, and industrial finishes for excellent weather resistance and gloss.
• Plastics Coloring: Imparts vivid red shades to engineering plastics, PVC, polyolefins, and synthetic fibers, with good heat stability and dispersion.
• High-Performance Inks: A key component in solvent-based, water-based, and UV-curable printing inks for packaging and decorative applications.
• Masterbatch Production: Supplied in powder form for the manufacture of color concentrates and masterbatches for the plastics industry.
• Specialty Applications: Suitable for coloring synthetic leather, artistic paints, and other applications demanding high color purity and lightfastness.

Basic Information

Product Name	Pigment Red Hf4C
CAS No.	51920-12-8
Molecular Formula	C18H10Cl2N2O2
Molecular Weight	357.19 g/mol
Synonyms	DPP Red BO; C.I. Pigment Red 254; 3,6-Bis(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione; Pigment Red 254; Irgazin DPP Red BO; Chromophtal DPP Red BP; Cinquasia Red B RT-790-D; Permanent Red Hf4C
EINECS	257-543-5

Quality Control

Our Pigment Red Hf4C is manufactured under a strict quality management system. Every batch is tested against rigorous internal specifications to ensure consistent coloristic properties, particle size distribution, and chemical purity. A comprehensive Certificate of Analysis (COA) detailing key parameters is provided with each shipment to guarantee product integrity and performance for your formulations.

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	Bright Red Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Resistance to Light	≥ 7-8 (Blue Scale)
Resistance to Weathering	≥ 4-5 (Grey Scale)
Heat Stability (Plastics)	≥ 300°C
Volatile Matter	≤ 2.0%
Particle Size (D50)	≤ 0.3 μm

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