Mercuric Chloride AR/CP formula South Africa

Mercuric Chloride Formula: HgCl₂ – Structure, Uses & Safe Supply in South Africa

What Is the Formula of Mercuric Chloride?

Mercuric chloride, also known as mercury(II) chloride, is an inorganic compound with the chemical formula:

HgCl₂

Hg: Mercury atom, in the +2 oxidation state
Cl₂: Two chloride ions
IUPAC Name: Mercury(II) chloride
Common Names: Mercuric chloride, corrosive sublimate

This formula indicates that each molecule contains one mercury atom bonded to two chlorine atoms.

Chemical Structure and Properties

Molecular Formula: HgCl₂
Molar Mass: 271.50 g/mol
Appearance: White, crystalline solid with no odor
Solubility: Highly soluble in water and most organic solvents
Melting Point: 277°C
Boiling Point: 302°C (decomposes)
Density: 5.43 g/cm³

Structural Notes:
Mercuric chloride forms a linear molecular structure (Cl–Hg–Cl), making it highly polar and reactive in aqueous solutions.

Uses of Mercuric Chloride in South Africa

Mercuric chloride (HgCl₂) is a versatile chemical with historical and modern applications, including:

1. Laboratory Applications

Analytical chemistry reagent
Precipitating and chlorinating agent
Tissue fixative in histology

2. Industrial Uses

Catalyst in the manufacture of vinyl chloride (PVC production)
Synthesis of specialty mercury compounds
Historical use in wood preservation and as an antiseptic (now discontinued due to toxicity)

3. Research and Education

Teaching and experimental reagent in advanced chemistry

Safety Information

Mercuric chloride is highly toxic and is classified as a hazardous chemical in South Africa:

Health Hazards: Toxic by ingestion, inhalation, and skin absorption. Can cause kidney damage, neurological effects, and is potentially fatal.
Handling: Always use personal protective equipment (PPE)—gloves, goggles, lab coats—and work in well-ventilated areas or fume hoods.
Storage: Store in tightly sealed containers, clearly labeled as hazardous, away from incompatible materials.
Disposal: Must be disposed of as hazardous waste in accordance with South African regulations.

Regulatory Compliance in South Africa

Mercuric chloride is regulated under South African law due to its toxicity and environmental impact. Only licensed organizations and professionals may purchase, store, or use HgCl₂. Brand Chemical Supplies ensures all deliveries are accompanied by full documentation, including Safety Data Sheets (SDS) and Certificates of Analysis (COA).

How to Buy Mercuric Chloride (HgCl₂) in South Africa

To order mercuric chloride from Brand Chemical Supplies:

Specify Quantity & Grade: Minimum order is usually 5 kg.
Provide Intended Use & Delivery Address: For compliance purposes.
Receive Formal Quotation: Transparent pricing with VAT and delivery included.
Documentation Provided: SDS, COA, and all regulatory documents.
Nationwide Delivery: Secure, traceable, and compliant.

Contact Brand Chemical Supplies today for a competitive quote and regulatory guidance.

Frequently Asked Questions

Q: What is the chemical formula for mercuric chloride?
A: HgCl₂

Q: Why is mercuric chloride regulated in South Africa?
A: Due to its high toxicity and environmental risks, strict regulations govern its sale, transport, and use.

Q: Can individuals purchase mercuric chloride?
A: No. Only licensed entities and professionals may purchase HgCl₂ in South Africa.

Brand Chemical Supplies – Your Trusted Partner for Compliant, High-Purity Mercuric Chloride (HgCl₂) in South Africa