Description

Mercury(II) Sulfide CAS NO 1344-48-5 is a high-purity inorganic compound, primarily known for its brilliant red pigment form, vermilion, and its black crystalline polymorph. This compound is valued for its intense color, chemical stability, and specific semiconductor properties. It serves as a critical raw material for specialized applications in pigments, electronics, and traditional medicine, where consistent quality and reliable supply are paramount for industrial buyers.

Application

• Pigment Manufacturing: Used as the historical and artistic pigment 'vermilion' and in some specialized industrial coatings for its vivid red color and opacity.
• Semiconductor Research: Employed in the study of narrow-bandgap semiconductors and photodetectors due to its specific electrical properties.
• Traditional Medicine (cinnabar): Serves as a source material in certain traditional medicinal preparations, requiring extremely high purity and strict quality control.
• Analytical Chemistry: Utilized as a reagent in specific laboratory procedures and chemical synthesis.
• Cultural Artifact Restoration: Applied in the careful restoration of historical artworks and artifacts that originally used vermilion pigment.

Basic Information

Product Name	Mercury(II) Sulfide
CAS No.	1344-48-5
Molecular Formula	HgS
Molecular Weight	232.66 g/mol
Synonyms	Mercuric Sulfide; Vermilion; Cinnabar; Chinese Red; Red Mercury Sulfide; Black Mercury Sulfide; Mercury Monosulfide; HgS
EINECS	215-696-3

Quality Control

Our Mercury(II) Sulfide is produced and handled under stringent quality management protocols. Each batch undergoes comprehensive analysis to ensure it meets precise specifications for purity, particle size, and polymorph content (red/black). A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, heavy metal impurities, and loss on drying. We adhere to relevant Good Manufacturing Practice (GMP) principles for high-grade material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and strong oxidizing agents. Maintain storage temperature between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Red or Black Powder
Identification (IR)	Conforms
Assay (HgS)	≥ 99.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Particle Size (D50)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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