CAS · 67-56-1
Product Overview
Methanol丨CAS 67-56-1, also known as methyl alcohol (CAS 67-56-1), is a simple alcohol widely used in industrial, chemical, and energy applications. Due to its versatility and chemical properties, it serves as a key ingredient in various processes. Below are its main applications and benefits:
Product Specifications
| Property | Specification |
|---|---|
| Assay (by GC) | 99.9% min |
| Density (20°C) | 0.791 g/ml to 0.793 g/ml |
| Solubility in H2O | Pass test |
| Residue on evaporation | 0.0003% max |
| Water (by KF) | 0.05% max |
| Titratable Acid | 0.0004 mmol/g max |
| Titratable Base | 0.00008 mmol/g max |
| UV Absorbance (1.00-cm cell vs. water) | At 205 nm: 1.0 max At 210 nm: 0.6 max At 220 nm: 0.3 max At 230 nm: 0.15 max At 240 nm: 0.05 max At 260 nm: 0.01 max |
Applications
1. Industrial Uses:
- Feedstock for Chemical Manufacturing: Methanol is a primary feedstock for the production of formaldehyde, acetic acid, and other chemicals, which are further used in the manufacture of plastics, resins, adhesives, and solvents.
- Production of Methyl Tertiary Butyl Ether (MTBE): Methanol is used in the production of MTBE, an oxygenate added to gasoline to improve combustion and reduce emissions.
- Biodiesel Production: Methanol is a key reagent in the transesterification process for producing biodiesel, where it reacts with fats and oils to create methyl esters (biodiesel) and glycerin.
- Methanol to Olefins (MTO): Methanol丨CAS 67-56-1 is used as a feedstock to produce olefins such as ethylene and propylene, which are precursors to many plastics and synthetic materials.
2. Energy Applications:
- Fuel for Internal Combustion Engines: Methanol can be used directly as a fuel or blended with gasoline in internal combustion engines, particularly in racing cars and other performance vehicles due to its high octane rating.
- Methanol Fuel Cells: Methanol is used in Direct Methanol Fuel Cells (DMFCs) as a renewable energy source to generate electricity, providing an efficient and environmentally friendly alternative for portable power applications.
- Clean Energy Carrier: Methanol can serve as a carrier of renewable energy in the form of renewable methanol, produced from biomass or captured carbon dioxide, supporting efforts to reduce reliance on fossil fuels.
3. Solvent and Extractant:
- Solvent in Chemical Reactions: Methanol is used as a solvent in chemical processes, including the synthesis of pharmaceuticals, agrochemicals, and other fine chemicals due to its ability to dissolve both polar and non-polar compounds.
- Extractant in Food and Natural Products: Methanol is employed as an extractant for natural products, such as plant-based materials, essential oils, and bioactive compounds in laboratory and industrial applications.
4. Pharmaceuticals:
- Raw Material for APIs: Methanol丨CAS 67-56-1 is used in the production of active pharmaceutical ingredients (APIs) and intermediates. It plays a role in the synthesis of key pharmaceutical compounds, including antibiotics and vitamins.
- Laboratory Reagent: Methanol is widely used in laboratory settings for sample preparation, chromatography, and other chemical analyses due to its high purity and effectiveness as a solvent.
5. Antifreeze and Coolant:
- Component in Antifreeze: Methanol is commonly used in antifreeze and windshield washer fluids due to its ability to lower the freezing point of liquids, helping prevent freezing in engines and other machinery in cold climates.
6. Water Treatment:
- Denitrification in Wastewater Treatment: Methanol is used as a carbon source in wastewater treatment plants to facilitate the denitrification process, which reduces the levels of nitrogen compounds, improving water quality.
7. Industrial Cleaning:
- Cleaning and Degreasing Agent: Methanol is used as an industrial cleaning solvent to remove oils, greases, and other contaminants from machinery, surfaces, and parts in various manufacturing processes.
8. Pesticides and Agrochemicals:
- Formulation of Pesticides: Methanol is utilized in the formulation of pesticides and herbicides, as it acts as a solvent for dissolving and delivering active ingredients in agrochemical products.
Benefits
1. Versatile Chemical Feedstock:
- Essential for Chemical Production: Methanol丨CAS 67-56-1 is a fundamental building block in the production of numerous chemicals, including formaldehyde, acetic acid, and methylamines, which are used in the manufacturing of products like plastics, resins, and textiles.
- Broad Application Range: Its use as a precursor to many important chemicals makes methanol a critical resource for a wide array of industrial sectors.
2. Renewable Energy Source:
- Supports Clean Energy Transition: Methanol can be produced from renewable sources such as biomass and captured CO₂, contributing to cleaner, sustainable energy solutions. Renewable methanol helps reduce greenhouse gas emissions and reliance on fossil fuels.
- Fuel for Methanol Fuel Cells: Methanol fuel cells offer a green alternative for generating electricity with lower environmental impact compared to traditional fossil fuel-based power.
3. High Energy Content:
- Efficient Fuel for Engines: Methanol has a high octane rating, making it an effective fuel for performance vehicles such as race cars. It also burns cleaner than gasoline, producing fewer harmful emissions.
- Blending Potential: Methanol can be blended with gasoline to improve fuel combustion and reduce emissions, offering benefits in the transportation sector.
4. Solvent Properties:
- Effective Solvent: Methanol is an excellent solvent for a wide range of substances, both polar and non-polar, making it valuable in chemical synthesis, extractions, and various industrial applications.
- Low Toxicity in Certain Applications: Compared to other solvents, methanol is less toxic and safer for use in some industries, though precautions are still necessary.
5. Cost-Effective:
- Economically Viable: Methanol丨CAS 67-56-1 is relatively inexpensive to produce, particularly from natural gas, making it a cost-effective chemical feedstock and fuel compared to other alternatives.
- Large-Scale Production: Methanol can be produced at large scales, ensuring steady supply for industrial, chemical, and energy sectors.
6. Environmental Benefits:
- Lower Emissions: When used as a fuel, methanol produces lower emissions of carbon monoxide, particulate matter, and nitrogen oxides compared to conventional fossil fuels.
- CO₂ Recycling Potential: Methanol can be produced from captured carbon dioxide, providing a method of recycling CO₂ and contributing to the reduction of atmospheric greenhouse gas levels.
7. Antifreeze and Cooling:
- Effective in Cold Climates: Methanol's ability to lower the freezing point of liquids makes it ideal for use in antifreeze and de-icing products, ensuring machinery and engines remain functional in cold conditions.
Conclusion:
Methanol丨CAS 67-56-1 is a highly versatile alcohol with widespread applications across industries such as chemical manufacturing, energy, pharmaceuticals, and industrial cleaning. Its role as a key feedstock, renewable energy source, and solvent highlights its importance in both traditional and sustainable processes. Methanol's benefits include its effectiveness as a solvent, fuel, and raw material, as well as its contribution to cleaner energy solutions through renewable production and fuel cell technology.
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