Acetone is a commonly used organic solvent with wide applications in the paint and coating industry. It is not only used as a solvent but may also exist as certain additives or driers. Due to the easy sublimation of the methyl and ketone groups in the acetone molecular structure, it may cause yellowing or cracking of paint films or coatings. Therefore, the selection of acetone purity and grade is particularly important in paint and coating production.
Purity Grades and Uses of Acetone
Acetone purity is mainly divided into four grades: Grade A, Grade B, Grade C, and Grade D. These grades are classified based on acetone purity and application. Grade A acetone has high purity and is usually used in the production of high-end acetone oxime and other high-value active reagents. Grade B acetone has slightly lower purity than Grade A and is suitable for general purposes. Grade C acetone has even lower purity and is mainly used in chemical experiments and industrial preparation. Grade D acetone is the lowest purity grade and is primarily used in laboratories and small-scale production.
Key Factors for Acetone Grade Selection
When selecting an acetone grade, several key factors need to be considered. First, the application of acetone determines its purity requirements. If acetone is to be used in the production of high-value active reagents such as acetone oxime, Grade A acetone must be selected. Second, the storage conditions of acetone can also affect its purity. Acetone is prone to decomposition or absorption of other substances in high-temperature or humid environments, so it needs to be stored in a moisture-proof, dust-proof, and high-temperature-proof manner. Third, acetone purity is also related to environmental protection requirements. With the increasing awareness of environmental protection, many countries and regions have strict restrictions on the use and emission of solvents, so the selection of environmentally friendly acetone has also become an important consideration.
Precautions for Acetone Storage and Use
The following precautions should be observed for the storage and use of acetone:
Acetone is flammable, so it must be stored away from open flames and high-temperature sources.
Acetone is volatile at room temperature, so it should be stored in a well-ventilated environment.
When using acetone, operations should be carried out in a well-ventilated area, and direct contact with the skin and eyes should be avoided.
Acetone Procurement Guide
When procuring acetone, the following points should be noted:
Choose acetone produced by regular manufacturers, as these manufacturers have stricter purity and quality control standards.
Select products whose nominal purity is consistent with the actual purity to ensure the product meets usage requirements.
Pay attention to the production date and shelf life of acetone and avoid using expired products.
As an important solvent in paints and coatings, the selection of acetone purity and grade directly affects product quality and environmental protection requirements. Selecting the appropriate acetone grade, following correct storage and usage methods, and adhering to procurement standards are important steps to ensure the quality of paints and coatings.
Post time: Sep-04-2025