Description

Pigment Red 190 is a high-performance, synthetic organic pigment belonging to the azo chemical class. It is valued for its excellent color strength, good lightfastness, and heat stability, making it a reliable choice for demanding coloration applications. This pigment is primarily used by manufacturers in the plastics, coatings, and printing ink industries seeking vibrant, durable red shades.

Application

• Coloration of engineering plastics (e.g., ABS, PS, PC) and polyolefins (PP, PE).
• Manufacturing of industrial and decorative paints and coatings.
• Formulation of printing inks for packaging and publications.
• Pigmentation of synthetic fibers and masterbatches.
• Coloring of rubber and elastomeric products.
• Use in specialty applications requiring stable red hues.

Basic Information

Product Name	Pigment Red 190
CAS No.	6424-77-7
Molecular Formula	C₂₆H₂₂N₄O₅
Molecular Weight	470.48 g/mol
Synonyms	C.I. Pigment Red 190; C.I. 71140; PR 190; Benzimidazolone Red; Permanent Carmine HF3C; Cromophtal Red 2030; Pigment Red HF3C; 1-[(2-Methoxy-5-nitrophenyl)azo]-2-naphthalenol; 2-Naphthalenol, 1-[(2-methoxy-5-nitrophenyl)azo]-
EINECS	229-188-4

Quality Control

Our Pigment Red 190 is produced under a stringent quality management system. Each batch undergoes comprehensive testing for key parameters including color strength, hue, particle size distribution, and chemical purity to ensure consistency and performance. Certificates of Analysis (COA) detailing these specifications 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	Red Powder
Color Strength	100 ± 5% (vs. Standard)
Hue	Conforms to Standard
Lightfastness	≥ 7 (ISO 105-B02)
Heat Resistance	≥ 280°C
Particle Size (D50)	0.2 - 0.5 μm
Moisture Content	≤ 2.0%
Water Soluble Matter	≤ 1.5%

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