Silver Liquid Mercury (Hg) is the only metallic element that remains liquid at standard room temperature — a dense, silvery-white, mobile liquid with unique physical and chemical properties. It exhibits excellent electrical conductivity, uniform thermal expansion, and the ability to form amalgams with most metals except iron and platinum. Moon Bright Resources supplies high-purity virgin mercury with 99.9995% minimum purity (5N), triple-distilled and vacuum-sealed to ensure contaminant-free product.
At Moon Bright Resources , mercury is produced from certified sources under strict quality controls, meeting international industrial and laboratory standards. It is suitable for chlor-alkali production, gold mining (artisanal and small-scale mining sectors with proper controls), electrical equipment manufacturing, and laboratory instrumentation. All shipments comply with international hazardous material transport regulations, including UN2809 (Mercury) classification, with full Safety Data Sheets, dangerous goods declarations, and proper packaging. Silver Liquid Mercury
Characteristics & Specifications
| Parameter | Ultra-High Purity (5N) | High Purity (4N) |
|---|---|---|
| Purity (Hg) | 99.9995% minimum | 99.995% minimum |
| Appearance | Bright, silvery-white liquid metal | Bright, silvery-white liquid |
| CAS Number | 7439-97-6 | |
| Molecular Formula | Hg | |
| Atomic Weight | 200.59 g/mol | |
| Density (20°C) | 13.534 g/cm³ | 13.534 g/cm³ |
| Melting Point | -38.83°C | -38.83°C |
| Boiling Point | 356.73°C | 356.73°C |
| Vapor Pressure (20°C) | 0.0012 mmHg | 0.0012 mmHg |
| Electrical Resistivity | 95.8 μΩ·cm | 95.8 μΩ·cm |
| Surface Tension (20°C) | 476 dyn/cm | 476 dyn/cm |
| Specific Heat (25°C) | 0.1395 J/g·K | 0.1395 J/g·K |
| Thermal Conductivity | 8.34 W/m·K | 8.34 W/m·K |
Purity Specifications (Typical Impurity Profile – 5N Grade)
| Impurity | Maximum Content | Impurity | Maximum Content |
|---|---|---|---|
| Silver (Ag) | ≤ 0.1 ppm | Sodium (Na) | ≤ 0.5 ppm |
| Copper (Cu) | ≤ 0.1 ppm | Zinc (Zn) | ≤ 0.5 ppm |
| Iron (Fe) | ≤ 0.5 ppm | Cadmium (Cd) | ≤ 0.5 ppm |
| Lead (Pb) | ≤ 0.1 ppm | Tin (Sn) | ≤ 0.1 ppm |
| Aluminum (Al) | ≤ 0.5 ppm | Nickel (Ni) | ≤ 0.1 ppm |
| Calcium (Ca) | ≤ 0.5 ppm | Magnesium (Mg) | ≤ 0.1 ppm |
| Total impurities | ≤ 5 ppm |
Applications (Restricted to Approved Uses)
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Chlor-Alkali Industry: Mercury cell process for chlorine and caustic soda production (phasing down under Minamata Convention)
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Gold Mining: Artisanal and small-scale gold mining (ASGM) — formalized sector only, with mercury capture technology
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Electrical Equipment: Mercury switches, relays, tilt switches, thermostats (legacy equipment, declining use)
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Laboratory Instrumentation: Thermometers, barometers, diffusion pumps, manometers (alternatives encouraged)
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Dental Amalgams: Dental restorative material (phasing down in many countries)
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Batteries: Mercury oxide batteries (banned in most jurisdictions)
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Industrial Catalysts: Vinyl chloride monomer production using mercury chloride catalyst (being replaced)
Packaging Options
Standard Certified Packaging (UN Approved)
| Package Size | Container Type | Net Weight | UN Classification |
|---|---|---|---|
| 1 kg | Vacuum-sealed steel cylinder | 1.0 kg (±0.05 kg) | UN2809 |
| 5 kg | Vacuum-sealed steel cylinder | 5.0 kg (±0.25 kg) | UN2809 |
| 10 kg | Steel flask with screw cap | 10.0 kg (±0.5 kg) | UN2809 |
| 34.5 kg | Standard iron flask (77 lbs) | 34.5 kg (±1.0 kg) | UN2809 |
All packaging complies with international dangerous goods transport regulations (IMO, IATA, ADR/RID). Each container is vacuum-sealed, triple-packed with leak-proof secondary containment, and labeled with hazard class 8 (corrosive) and 6.1 (toxic) markings.
FAQ – Frequently Asked Questions
Q1: Is silver liquid mercury legal to buy and sell?
A1: Mercury is legal to trade but strictly regulated under the Minamata Convention on Mercury (effective since 2017). Moon Bright Resources only supplies mercury for approved industrial, laboratory, artisanal/small-scale gold mining (ASGM formalization), and legacy equipment maintenance purposes. Buyers must provide end-use certification, operate under permitted facilities, and comply with all local import/export regulations. We do not supply mercury for unlicensed or prohibited applications (e.g., unregulated mining, novelty items, or banned products). Please verify your jurisdiction’s requirements before ordering. mercury distributors worldwide
Q2: What safety precautions are needed when handling mercury?
A2: Mercury is toxic and poses significant health risks. Essential precautions include: (1) use only in well-ventilated areas or fume hoods; (2) wear impermeable gloves (nitrile or butyl rubber), safety goggles, and protective clothing; (3) avoid all skin contact and never inhale vapors; (4) contain spills immediately using mercury spill kits (never use vacuum cleaners); (5) never heat mercury without proper engineering controls; (6) wash thoroughly after handling; (7) pregnant women and children should avoid all exposure. Chronic exposure can cause neurological and kidney damage. We provide comprehensive Safety Data Sheets (SDS) and handling guidelines with every shipment. liquid mercury bulk supply
Q3: Do you offer OEM / private label packaging?
A3: Due to strict hazardous material regulations, private label packaging for mercury is highly restricted but possible under specific conditions. Moon Bright Resources can provide custom packaging with your company labeling on certified outer packaging (overpacks) while maintaining UN-approved inner containers. Minimum OEM order quantity is 100 kg. All custom packaging must be pre-approved and comply with IATA/IMO dangerous goods regulations. Please contact our compliance team to discuss your requirements. Silver Liquid Mercury
Q4: What is your minimum order quantity (MOQ)?
A4: MOQ is 1 kg for laboratory sample orders, 10 kg for small commercial orders, and 100 kg for wholesale pricing. Bulk orders of 500 kg or more (full container/pallet loads) qualify for discounted rates. For OEM custom packaging, MOQ is 100 kg. Full container loads are typically 5,000-7,000 kg depending on packaging configuration. Due to transport regulations, we strongly recommend consolidation to minimize shipping costs. Contact our team for current pricing and availability. Silver Liquid Mercury , silver liquid mercury price
Q5: How should mercury be stored safely?
A5: Store in original unopened, vacuum-sealed containers in a cool, well-ventilated, locked area away from heat sources, direct sunlight, and incompatible materials (acids, alkalis, ammonia, chlorine). Use secondary containment (leak-proof trays) to contain potential spills. Ideal storage temperature is 10-25°C.
Do not store near drains, water sources, or food handling areas. Post warning signs at storage locations. Never store mercury in aluminium, copper, brass, or zinc containers — use only approved steel or iron containers. Shelf life is indefinite when stored properly in sealed containers. Check containers regularly for signs of leakage or corrosion. Maintain spill response equipment (mercury spill kit, sulfur powder, PPE) nearby. For large quantities (over 10 kg), consult local hazardous materials storage regulations. Silver Liquid Mercury
Q6: Are there alternatives to mercury for my application? (Added for context)
A6: For many applications, yes. Non-mercury alternatives include: digital thermometers and manometers (alcohol, gallium-indium-tin alloys), non-mercury switches (mechanical, electronic), gold leaching alternatives (cyanide-free reagents, gravity concentration), and mercury-free catalysts. For chlor-alkali production, membrane cell and diaphragm cell technologies are replacing mercury cells. We encourage customers to evaluate mercury-free alternatives where technically and economically feasible. Moon Bright Resources can provide sourcing assistance for alternative technologies upon request.
Regulatory Notice: Mercury is regulated under the Minamata Convention on Mercury. Moon Bright Resources supplies mercury only for approved industrial, laboratory, artisanal/small-scale gold mining (ASGM formalization), and legacy equipment maintenance purposes in compliance with all applicable laws. Buyers must provide end-use certification, operate under permitted facilities, and comply with local import/export regulations. We reserve the right to refuse sales to unlicensed or non-compliant buyers. Silver Liquid Mercury
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