Description

Brilliant Lake Red R Calcium Salt is a high-performance, water-insoluble pigment lake derived from azo chemistry. This compound is valued for its excellent color strength, lightfastness, and chemical stability, making it a reliable choice for demanding coloration applications. It is primarily utilized by manufacturers in the coatings, plastics, and printing ink industries seeking vibrant, durable red shades.

Application

• Industrial Coatings and Paints: Used for coloring solvent-based and industrial maintenance paints where lightfastness is required.
• Plastics and Masterbatch Coloration: Imparts stable red color to polymers such as PVC, polyolefins, and engineering plastics during processing.
• Printing Inks: A key pigment for offset, gravure, and flexographic inks, especially for packaging and publications.
• Textile Printing Pastes: Employed in pigment printing systems for fabrics.
• Specialty Paper Coatings: Provides coloration for decorative and high-grade papers.
• Artists' Colors: Used in the formulation of high-quality artists' oils, acrylics, and watercolors.

Basic Information

Product Name	Brilliant Lake Red R Calcium Salt
CAS No.	6371-76-2
Molecular Formula	C18H12CaN4O8S2
Molecular Weight	516.52 g/mol
Synonyms	Pigment Red 53:1; C.I. 15585:1; Brilliant Lake Red R; Calcium 4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthalenecarboxylate; Lithol Rubine BK; Red Lake C; Permanent Red R; Lake Red C
EINECS	228-921-5

Quality Control

Our Brilliant Lake Red R Calcium Salt is manufactured under a strict quality management system. Every batch undergoes comprehensive testing for critical parameters including color strength, hue, particle size distribution, and chemical purity to ensure consistency and performance. Certificates of Analysis (COA) confirming compliance with agreed specifications are available upon request.

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. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Red powder
Identification (IR)	Conforms to standard
Color Strength	100 ± 5% (vs. Standard)
Hue	Within agreed tolerance
Moisture Content	≤ 2.0%
Water Soluble Matter	≤ 1.5%
Residue on Sieve (45μm)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm

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