Description

Pigment Red 48:4 is a high-performance, manganese-based azo pigment renowned for its excellent color strength and durability. This pigment is a critical component for achieving vibrant, long-lasting red shades in demanding industrial applications. It is primarily utilized by manufacturers in the plastics, coatings, and printing ink industries who require consistent quality and reliable performance in their formulations.

Application

• Plastics Coloring: For coloring PVC, polyolefins, and engineering plastics, offering good heat stability and dispersion.
• Industrial Coatings: Imparts durable red shades in automotive finishes, industrial maintenance paints, and coil coatings.
• Printing Inks: Used in solvent-based and publication gravure inks for packaging and commercial printing.
• Masterbatch Production: A key colorant for creating concentrated pigment preparations for the plastics industry.
• Synthetic Fibers: For mass pigmentation of fibers where colorfastness is essential.
• Rubber Products: Provides coloration for technical rubber goods and footwear.

Basic Information

Product Name	Pigment Red 48:4
CAS No.	1325-12-8
Molecular Formula	C18H12Cl2N4O8S2·Mn
Molecular Weight	~ 652.3 g/mol
Synonyms	Pigment Red 48:4; C.I. 15865:4; 2-[(2-Hydroxy-1-naphthalenyl)azo]-N-(2-methylphenyl)-3-oxobutanamide Manganese Complex; Permanent Red 2B; Lithol Scarlet 4440; Manganese 2B; C.I. Pigment Red 48:4; Barium Lithol Red substitute (Manganese lake)
EINECS	215-381-0

Quality Control

Our Pigment Red 48:4 is manufactured under a stringent quality management system to ensure batch-to-batch consistency. Each lot is tested against key parameters including color strength, hue, and physical properties to meet precise customer requirements. A comprehensive Certificate of Analysis (COA) detailing purity, composition, and performance characteristics is provided with every shipment.

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 acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Red Powder
Identification (IR)	Conforms
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Residue on Sieve (63 µm)	≤ 1.0 %
Volatile Matter (at 105°C)	≤ 2.0 %
pH Value (10% Aqueous Slurry)	6.0 - 8.0
Oil Absorption	40 - 60 g/100g

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