Description

Lazurite CAS NO 1302-83-6 is a naturally occurring blue mineral, chemically classified as a complex sodium calcium aluminum silicate sulfate with the characteristic formula (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2. This inorganic pigment, historically known as ultramarine, is prized for its exceptional color stability, non-toxic nature, and resistance to heat and alkalis. It serves as a critical raw material for manufacturers in the coatings, plastics, and construction industries seeking vibrant, durable blue coloration. Our supply chain ensures consistent particle size and color quality for reliable performance in demanding industrial applications.

Application

• Pigments and Colorants: Primary use as a high-performance blue pigment in industrial paints, powder coatings, and printing inks.
• Plastics and Polymers: Coloring agent for masterbatches, engineering plastics, and synthetic fibers, offering excellent dispersion and heat stability.
• Construction Materials: Integral colorant for concrete, mortar, roofing tiles, and other cementitious products.
• Cosmetics and Personal Care: Used in high-grade eye shadows, soaps, and other cosmetic formulations where a natural mineral pigment is required.
• Artists' Materials: A key component in the manufacture of high-quality artists' oils, acrylics, and watercolors.
• Paper and Specialty Coatings: Provides coloration for specialty papers, security inks, and decorative laminates.
• Detergents and Laundry Aids: Acts as a whitening agent (optical brightener) in premium laundry detergents and fabric softeners.

Basic Information

Product Name	Lazurite
CAS No.	1302-83-6
Molecular Formula	(Na,Ca)8(AlSiO4)6(SO4,S,Cl)2
Molecular Weight	Variable (Complex Mineral)
Synonyms	Ultramarine Blue; Ultramarine; Mineral Blue; CI 77007; CI Pigment Blue 29; Lapis Lazuli; French Ultramarine; Synthetic Ultramarine; Ultramarine Pigment; Azure Blue
EINECS	215-102-3

Quality Control

Our Lazurite is produced and tested under a strict quality management system. Each batch is analyzed for key parameters including color strength (tinting strength), hue, particle size distribution, and chemical composition to ensure batch-to-batch consistency. We provide comprehensive Certificates of Analysis (COA) upon request, detailing specifications relevant to your target application, whether for industrial, cosmetic (meeting relevant purity guidelines), or artistic use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep container tightly sealed when not in use to minimize exposure to atmospheric moisture and contaminants. Separate from strong acids.

Specification

Item	Specification
Appearance	Fine Blue Powder
Identification (IR)	Conforms to Standard
Color Value	Standardized vs. Reference
Particle Size (D50)	Contact for details
Moisture Content	≤ 1.0%
Water Soluble Matter	≤ 1.5%
Oil Absorption	Contact for details
pH (10% Slurry)	6.0 - 9.0
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 3 ppm
Lead (Pb)	≤ 10 ppm

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