About Mercury
Mercury
- CAS No.: 7439-97-6
- MF: Hg
- Appearance: Silver metallic liquid
- Other Name:Hydrargyrum, Hydrargyri
- Purity: 99.99%-99.999%
- Molecular Weight: 200.59
- Melting Point: -38.87 deg C
- Boiling Point: 356.6 C(lit. )
- Solubility: Insoluble in water
Key Properties and ApplicationsMercury is renowned for its unique appearance, high density, and ability to conduct electricity and heat. Its liquid form at room temperature makes it invaluable for use in laboratory instruments, scientific research, chemical analysis, and specialized devices such as thermometers and barometers. With a purity of 99.99% minimum, this mercury meets ACS analytical grade standards, ensuring reliability for demanding applications.
Packaging, Storage, and HandlingTo ensure safe use and transport, mercury is packed in secure, corrosion-resistant, and leak-proof bottles or flasks. It must be stored in sealed containers at room temperature, away from direct sunlight and incompatible metals, such as aluminum. Adherence to proper storage guidelines preserves its integrity and protects users from accidental exposure.
Safety and Environmental GuidelinesMercury is highly toxic and poses serious health and environmental risks. Proper personal protective equipment (PPE) should always be used, and exposure through inhalation, ingestion, or skin contact must be strictly avoided. Disposal requires adherence to local hazardous waste regulations. As an environmental hazard, mercury must not be released into aquatic systems.
FAQs of Mercury:
Q: How is mercury manufactured and processed for distribution?
A: Mercury is extracted from cinnabar ore (HgS) by a roasting process, where the ore is heated to release mercury vapor, which is then condensed into liquid form. It is subsequently purified, tested for analytical grade standards, and securely packaged for distribution.
Q: What are the primary industrial and laboratory uses of mercury?
A: Mercurys high density and excellent conductivity make it essential for instruments like thermometers, barometers, and sphygmomanometers. Its also widely used in research laboratories, chemical analysis, lighting, mining, and certain electronic applications for accurate measurements and unique chemical properties.
Q: When should special precautions be taken while handling mercury?
A: Strict safety measures should always be in place during handling. Use appropriate PPE, ensure adequate ventilation, and avoid direct contact with skin, eyes, or respiratory pathways. Mercury is highly toxic, and exposure can result in serious health effects.
Q: Where should mercury be stored to ensure stability and safety?
A: Store mercury in tightly sealed, corrosion-resistant containers away from direct sunlight, reactive metals like aluminum, and extreme temperatures. Containers should be clearly labeled and kept in well-ventilated, restricted areas dedicated to hazardous chemicals.
Q: What is the proper process for mercury disposal?
A: Mercury must be disposed of as hazardous waste according to local and national regulations. It should not be poured down drains or disposed of in regular trash. Contact certified hazardous waste handlers for safe and compliant disposal procedures.
Q: How does mercury benefit scientific and industrial applications?
A: Mercurys unique combination of physical propertiesliquidity at room temperature, high density, and remarkable electrical conductivityenable precise measurement and control in laboratory and industrial settings, which cannot be easily replicated by alternative substances.
Q: What are the environmental and health hazards associated with mercury?
A: Mercury is highly poisonous to humans and wildlife. It is toxic by inhalation, ingestion, or skin absorption and is especially hazardous in aquatic environments. Even small releases can cause significant ecological damage, making safe handling and disposal critical.