Description

Cinnabar CAS NO 19122-79-3 is the naturally occurring mineral form of mercury(II) sulfide (HgS), renowned for its distinctive red color and historical significance. This inorganic compound is a critical industrial source of mercury and a valued pigment. It serves as a key raw material for industries requiring high-purity mercury, mercury compounds, and specialized colorants. Primary users include manufacturers in the chemical synthesis, traditional pigment, and metallurgical sectors.

Application

• Primary source material for the extraction and production of elemental mercury.
• Raw material for the synthesis of various mercury compounds used in catalysts and chemical processes.
• Traditional pigment (vermilion) in specialized arts, conservation, and cultural restoration projects.
• Component in certain electrical equipment and rectifiers.
• Starting material in some metallurgical applications and alloy production.
• Used in historical and traditional practices, subject to modern safety and regulatory controls.

Basic Information

Product Name	Cinnabar
CAS No.	19122-79-3
Molecular Formula	HgS
Molecular Weight	232.66 g/mol
Synonyms	Mercury(II) sulfide; Vermilion; Chinese Red; Cinnabarite; Red Mercury Sulfide; HgS; Mineral Cinnabar; Zinnober; Sulfanylidenemercury
EINECS	242-822-9

Quality Control

Our Cinnabar is sourced and processed under strict quality protocols to ensure consistent composition and purity for industrial applications. Quality is verified through analytical techniques including X-ray diffraction (XRD) for phase identification and atomic absorption spectroscopy (AAS) or inductively coupled plasma (ICP) for elemental analysis. A Certificate of Analysis (COA) detailing lot-specific specifications is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Keep container securely sealed when not in use to minimize dust generation and prevent contamination. Comply with all local and international regulations for the storage of mercury-containing substances.

Specification

Item	Specification
Appearance	Bright red to brownish-red powder or crystalline solid
Identification (XRD)	Complies (Hexagonal α-HgS phase)
Assay (as HgS)	≥ 95.0%
Mercury (Hg) Content	≥ 85.0%
Loss on Drying	≤ 2.0%
Particle Size (Mesh)	Contact for details
Heavy Metals (as Pb)	≤ 0.5%

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