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- SILVER LIQUID MERCURY
Product Details
Chemical Specifications of Silver Liquid MercuryParameter Specification
Purity ≥ 99.99% (also called "quadruple nine" or "4N")
Appearance Bright silver, metallic, odorless liquid
Density ~13.534 g/cm³ at 25°C
Molecular Weight 200.59 g/mol (Hg)
Boiling Point 357°C
Melting Point -38.87°C
Vapor Pressure 0.00185 mm Hg at 25°C
Solubility in Water Insoluble
CAS Number 7439-97-6
UN Number UN2809 (for transport)
Hazard Classification Toxic, Environmental Hazard (UN Class 8/6.1)
SILVER LIQUID MERCURY
Impurity Max Allowed
Iron (Fe) ≤ 0.0002%
Zinc (Zn) ≤ 0.0001%
Lead (Pb) ≤ 0.0002%
Copper (Cu) ≤ 0.0001%
Arsenic (As) ≤ 0.0001%
Cadmium (Cd) ≤ 0.0001%
Antimony (Sb) ≤ 0.0001%
Mercury is classified as hazardous and toxic; handling requires protective gear, proper ventilation, and compliance with local regulations.
In the EU, handling and trade of mercury is restricted under REACH Regulation (EU 2017/852).
A Certificate of Analysis (COA) is typically provided with each batch and may include spectral or assay data confirming purity.
Packaging Requirements for Silver Liquid Mercury
Approved Packaging Types (UN 2809)
UN Specification Containers (Hazmat Rated):
Steel flasks (common: 34.5 kg / 76 lbs, UN approved)
High-density polyethylene (HDPE) bottles, packed in steel drums or fiberboard boxes with absorbent and cushioning material
Must bear the appropriate UN packaging code, such as:
1A1/X1.6/250 (for metal drums)
4G/UN (for fiberboard boxes containing inner receptacles)
Required Labeling
UN Number: UN2809
Proper Shipping Name: Mercury
Hazard Class: 8 (Corrosive), 6.1 (Toxic)
Packing Group: III
Toxic (Skull & Crossbones)
Corrosive
Environmentally hazardous substance
Handling Markings: “Keep Away from Heat”, “Do Not Drop”, and "Marine Pollutant" if applicable
🚚 Transport Regulations
📘 By Road (ADR – Europe)
Class: 8 (Corrosive) and 6.1 (Toxic)
Packaging Group: III
Requires:
Transport by licensed hazmat carrier
Driver ADR certificate
Emergency Instructions in Writing (EIW) onboard
Segregation from food items and oxidizers
✈ By Air (IATA)
Forbidden for passenger aircraft
May be shipped cargo-only, under:
IATA Dangerous Goods Regulations (DGR)
With UN certified leak-proof packaging
Requires Shipper's Declaration for Dangerous Goods
🚢 By Sea (IMDG Code)
Allowed under:
IMDG Class 8 & 6.1
Marine pollutant labeling required
Requires proper documentation, segregation, and marking
❗ REACH & EU Restrictions
Under EU Regulation (EU) 2017/852 and REACH:
Mercury and its compounds are heavily restricted
Trade may require a special license
Use in artisanal gold mining and certain industrial applications is banned
Importers must report quantities and end-use