Description

Pigment Red 52:1 is a high-performance, precipitated calcium salt lake pigment known for its excellent color strength and stability. This product is valued for providing a clean, bluish-red shade with strong tinting power and good resistance properties, making it a cost-effective choice for demanding applications. It is primarily used by manufacturers in the coatings, plastics, and printing ink industries seeking durable and vibrant red coloration.

Application

• Industrial Coatings and Paints: Used in automotive finishes, industrial maintenance paints, and decorative coatings for its weather resistance and color intensity.
• Plastics and Masterbatch Coloring: Imparts a stable red color to polyolefins (PP, PE), PVC, and engineering plastics, suitable for injection molding and extrusion.
• Printing Inks: A key pigment for offset, gravure, and flexographic inks, especially for packaging and publications requiring a bright red hue.
• Textile Printing Pastes: Employed in pigment printing systems for fabrics, offering good fastness properties.
• Specialty Applications: Suitable for coloring artists' colors, construction materials (concrete, mortar), and other colored industrial products.

Basic Information

Product Name	Pigment Red 52:1
CAS No.	17852-99-2
Molecular Formula	C18H12ClN2O6SCa
Molecular Weight	479.91 g/mol
Synonyms	Pigment Red 52:1; C.I. 15860:1; Calcium 4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthalenecarboxylate; Lithol Rubine BK; Permanent Carmine FBB; Red 52:1 Calcium Lake; Naphthol Red; CI 15860:1; Rubine Toner
EINECS	241-786-5

Quality Control

Our Pigment Red 52:1 is manufactured under a strict quality management system to ensure batch-to-batch consistency and performance. Quality parameters including color strength, shade, particle size distribution, and chemical purity are rigorously tested against established specifications. Certificates of Analysis (COA) documenting these results are provided with every shipment to guarantee compliance with your formulation 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 incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain optimal color properties.

Specification

Item	Specification
Appearance	Red Powder
Color Strength	100 ± 5% (vs. Standard)
Hue	Standard
Volatile Matter (at 105°C)	≤ 2.0%
Water Soluble Matter	≤ 1.5%
pH Value (10% Aqueous Slurry)	6.0 - 8.0
Oil Absorption	40 - 60 g/100g
Particle Size (D50)	≤ 1.0 μm
Heat Resistance	≥ 180°C
Light Fastness	≥ 6-7 (Blue Scale)
Weather Fastness	≥ 4 (Grey Scale)

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