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Comprehensive Guide to cas no 1305 62 0: Properties, Applications, and Industry Insights
02 . Dec, 2025

Understanding cas no 1305 62 0: What It Is and Why It Matters Globally

If you’ve ever glanced at technical data sheets or chemical safety documents, you may have come across the term cas no 1305 62 0. It sounds a bit like an obscure code, but behind it lies a substance crucial to many industries worldwide. Essentially, this registry number refers to calcium oxide, also known as quicklime, a simple yet powerful compound with wide-reaching applications from construction to environmental management.

Why does understanding this matter globally? For starters, calcium oxide is a backbone ingredient in the manufacture of steel, paper, and even water treatment chemicals. Its versatility helps industries run more efficiently and sustainably, which in turn supports public infrastructure and environmental health. So, grasping the significance of cas no 1305 62 0 offers insights into materials that quietly shape modern society.

Introduction: Global Context of cas no 1305 62 0

Globally, the demand for calcium oxide is substantial. According to the International Fertilizer Association and industrial reports, over 60 million tons are produced annually, predominately serving construction and steel manufacturing sectors. The United Nations’ focus on sustainable development goals subtly ties into this because calcium oxide contributes to cleaner energy through flue gas treatment and water purification.

Yet, there are challenges: producing and handling quicklime safely requires expertise and proper regulation. Environmental concerns around CO2 emissions during lime production pose pressing questions for green policies — an ongoing balancing act industry players must navigate.

Mini takeaway: cas no 1305 62 0 is central to many heavy industries and sustainable initiatives, making it a globally relevant compound.

What is cas no 1305 62 0?

To put it simply, cas no 1305 62 0 is the Chemical Abstracts Service registry number designating pure calcium oxide. When limestone (calcium carbonate) is heated at high temperatures (~900°C), it breaks down into calcium oxide and carbon dioxide—a process called calcination.

This white, alkaline powder is reactive and absorbs moisture and carbon dioxide when exposed to air, turning gradually into calcium hydroxide or carbonate. Besides its industrial uses, calcium oxide acts as a raw material in humanitarian aid kits, helping purify water in crisis zones.

Mini takeaway: cas no 1305 62 0 refers to calcium oxide, a versatile and reactive compound derived from heated limestone with both industrial and humanitarian uses.

Core Components and Properties of cas no 1305 62 0

1. Reactivity and Chemical Behavior

Calcium oxide is highly reactive, especially with water. This property is leveraged in many processes such as neutralizing acidic soils or treating wastewater. The exothermic reaction when mixed with water forms calcium hydroxide, making it an effective pH regulator.

2. Thermal Stability

Quicklime resists decomposition at typical industrial temperatures, making it ideal for use in high-heat applications like steelmaking, where it removes impurities from molten metal.

3. Durability

Cement and concrete formulations often include calcium oxide for stronger, longer-lasting materials, increasing infrastructure lifespan. Its presence reduces permeability and improves resistance against environmental degradation.

4. Cost Efficiency

Calcium oxide is relatively low-cost compared to alternatives, supporting large-scale industrial use and making it a popular choice in developing economies.

5. Environmental Impact

Interestingly, calcium oxide can aid in carbon capture initiatives, absorbing CO2 long-term when converted back to carbonate forms, showing promise in mitigating climate change effects.

Calcium Oxide (CAS No. 1305-62-0) Product Specifications
Property Value/Range Unit
Purity ≥ 95 %
Moisture ≤ 1 %
pH (saturated solution) 12.4 - 12.8
Bulk Density 640 - 800 kg/m³
Appearance White crystalline powder or lump

Global Applications & Use Cases

The uses of calcium oxide seem almost endless when you think about it. In the steel industry, it acts as a flux to remove silica and phosphorus impurities, improving metal quality. Cement and construction projects in Southeast Asia heavily rely on it, pushing urban development.

Meanwhile, humanitarian organizations deploy calcium oxide in emergency water purification. For example, after hurricanes or floods, when clean water is scarce, powdered calcium oxide treats contaminated supplies, preventing disease outbreaks.

Industrial wastewater plants worldwide use calcium oxide to neutralize acidic effluents, protecting ecosystems. In agriculture, farmers in arid regions apply it to convert acidic soils into fertile land, boosting yields sustainably.

Vendor Comparison for CAS No 1305-62-0 Suppliers
Supplier Purity (%) MOQ (tons) Delivery Time Certifications
Baifeng Mining ≥96 10 2 weeks ISO 9001, REACH
Global Lime Corp 95-97 5 3 weeks ISO 14001
Lhoist Group >95 20 1 week ISO 9001, OSHA

Mini takeaway: Calcium oxide’s applications span global steel production, emergency relief, agriculture, and pollution control—proving its indispensability across sectors.

Advantages & Long-Term Value of cas no 1305 62 0

Frankly, calcium oxide offers unbeatable cost-effectiveness, given its abundance and versatile nature. Its ability to produce stronger cement and purify water contributes not just to infrastructure but human dignity and safety worldwide.

There’s also an emotional layer — knowing that communities devastated by natural disasters can swiftly regain access to clean water thanks to lime powder lends a deep sense of trust in this chemical. Environmentally, its role in carbon capture technology hints at a future where industrial chemistry and sustainability walk hand in hand.

Future Trends & Innovations Involving cas no 1305 62 0

Looking ahead, innovations are promising. Researchers experiment with nanoscale lime particles to create even stronger and more environmentally friendly construction materials. Green energy integration could see lime reactors powered by renewable electricity, reducing carbon footprints significantly.

Also, digitalization means better quality control and supply chain transparency, essential for global industries relying on consistent calcium oxide supply. Automation in grinding and packaging might improve safety and efficiency.

Challenges & Solutions

Despite its benefits, calcium oxide production remains energy-intensive, and handling requires care to avoid skin or respiratory irritation. Addressing emissions during calcination is a pressing challenge, with promising carbon capture and storage (CCS) technologies gradually gaining traction.

Industry experts often recommend combining lime production with biomass energy usage or waste heat recovery to lower emissions. Training programs and stringent regulation ensure operators handle quicklime safely and comply with international standards.

FAQ: Common Questions About cas no 1305 62 0

What industries benefit most from cas no 1305 62 0?
Steel manufacturing, construction (especially cement production), environmental remediation, wastewater treatment, and agriculture are the primary sectors using calcium oxide worldwide due to its chemical properties and affordability.
How does calcium oxide purify water?
When calcium oxide mixes with water, it forms calcium hydroxide, which raises pH and precipitates impurities, including heavy metals and pathogens, making water safer — a technique widely used in disaster relief settings.
Is handling cas no 1305 62 0 hazardous?
Yes, quicklime is caustic and can irritate skin and eyes; inhaling its dust is harmful. Proper protective equipment, ventilation, and training are essential for safe handling.
Can calcium oxide production be eco-friendly?
Emerging technologies like carbon capture and using renewable energy in calcination processes aim to reduce environmental impact, though widespread adoption is still ongoing.
How can buyers import cas no 1305 62 0 internationally?
Most suppliers like Baifeng Mining provide documentation for Customs and regulatory compliance. Partnering with certified exporters and understanding local import rules smooths the process.

Conclusion

To wrap up, cas no 1305 62 0 or calcium oxide is more than just a chemical — it’s an enabler for infrastructure, environmental health, and humanitarian aid worldwide. Its cost-efficiency, durability, and growing role in sustainable practices underscore its ongoing importance.

If you want to delve deeper or procure reliable calcium oxide supplies, visit Baifeng Mining, a trusted leader in this field. Their quality and service expertise make them a go-to partner globally.

I suppose in our quest for sustainability and industrial excellence, understanding core substances like calcium oxide helps us appreciate the silent workhorses behind progress.

References

  1. Wikipedia - Calcium Oxide
  2. United Nations Sustainable Development Goals
  3. ISO Standards for Chemical Industries


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