Mercuric Chloride for Sale in South Africa

Introduction to Mercuric Chloride ($HgCl_2$)

Mercuric chloride, also known as Mercury (II) chloride or corrosive sublimate, is a highly toxic, white crystalline compound. In 2026, its use in South Africa has shifted almost exclusively toward specialized laboratory research, analytical chemistry, and specific industrial catalysts, following the phase-out of mercury-added products.

Legal Compliance: The 2026 Regulatory Landscape

Under the Regulations for the Management of Mercury (effective March 31, 2025), the trade of mercury compounds is prohibited except for specific exemptions:

Research and Analytical Purposes: Essential laboratory use is permitted.
Mandatory Notification: All sales must be reported to the Department of Forestry, Fisheries and the Environment (DFFE).
Licensing: Sellers and buyers must comply with Group I, Category A hazardous substance licensing, maintaining a “Poison Book” (sales register) as per the Hazardous Substances Act.

Technical Specifications

At Brand Chemical Supplies, we provide mercuric chloride that meets rigorous global standards for purity and stability.

Property	Value/Detail
Chemical Formula	$HgCl_2$
CAS Number	7487-94-7
UN Number	1624 (Class 6.1 Toxic)
Appearance	White crystalline solid
Purity/Assay	$\ge 99.5\%$ (ACS Reagent Grade)

Key Applications in 2026

While many historical uses (like wood preservation or general disinfectants) have been banned due to environmental toxicity, $HgCl_2$ remains vital in:

Chemical Synthesis: Serving as a catalyst in organic reactions and for forming amalgams with other metals (e.g., aluminum).
Plant Tissue Culture: Used at very low concentrations for the surface sterilization of explants.
Analytical Reagents: Critical for detecting specific compounds in controlled laboratory environments.

Safety and Handling

Mercuric chloride is fatally toxic if swallowed or in contact with skin. It is also a significant environmental hazard, particularly to aquatic life.

Storage: Must be stored in a cool, dry, well-ventilated area in original, clearly labeled containers.
PPE: Full chemical-resistant suits, nitrile gloves (double-gloving recommended), and respiratory protection are mandatory during handling.
Disposal: Waste must be treated as Hazardous Mercury Waste and cannot be disposed of via standard drainage or landfill systems.

Why Choose Brand Chemical Supplies?

As a leading provider in South Africa, Brand Chemical Supplies ensures that every purchase of Mercuric Chloride is backed by a Certificate of Analysis (COA) and an updated Safety Data Sheet (SDS) compliant with GHS standards. We assist our clients in navigating the 2026 reporting requirements to ensure your facility remains fully compliant with South African law.