Description

Calcium Strontium Bis[3-Hydroxy-4-[(4-Methyl-2-Sulphonatophenyl)Azo]-2-Naphthoate] is a high-purity, organometallic azo pigment complex valued for its exceptional color strength and stability. This compound is engineered to deliver consistent performance as a critical colorant and functional additive in advanced material formulations. It is primarily required by manufacturers in the coatings, plastics, and specialty ink industries seeking reliable, high-performance pigments for demanding applications.

Application

• High-Performance Industrial Coatings: Used as a durable pigment in automotive, coil, and marine coatings for UV resistance and color retention.
• Engineering Plastics and Polymers: Imparts stable coloration to polyolefins, nylons, and other polymers processed at elevated temperatures.
• Specialty Printing Inks: A key component in inks for packaging, security printing, and other applications requiring lightfastness and chemical resistance.
• Masterbatch Production: Serves as a concentrated colorant for creating standardized pigment dispersions used in plastic compounding.
• Functional Additives: Potential use in formulations where metal-complex azo compounds contribute to specific material properties.

Basic Information

Product Name	Calcium Strontium Bis[3-Hydroxy-4-[(4-Methyl-2-Sulphonatophenyl)Azo]-2-Naphthoate]
CAS No.	55491-44-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Calcium Strontium Lake Red; C.I. Pigment Red 57:3; Calcium Strontium Salt of 3-Hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthalenecarboxylic Acid; Calcium Strontium 3-Hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-2-naphthoate; Lithol Rubine BK Calcium Strontium Salt; Pigment Red 57:3; Calcium Strontium Lithol Rubine; Azo Pigment Calcium Strontium Complex
EINECS	Contact for details

Quality Control

Our production of Calcium Strontium Bis[3-Hydroxy-4-[(4-Methyl-2-Sulphonatophenyl)Azo]-2-Naphthoate] adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot undergoes comprehensive analytical testing, including purity assay, shade strength, and physical property verification. Certificates of Analysis (COA) documenting full specification compliance 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed when not in use to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Red Powder
Identification (IR)	Conforms
Assay (Purity)	≥ 95.0%
Color Strength	100 ± 5% (vs. Standard)
Moisture Content	≤ 5.0%
Ash Content	Contact for details
Particle Size (D50)	Contact for details

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