About Di Methyl Malonate
Di Methyl Malonate
CAS number : 108-59-8
Molecular formula : C5H8O4
Mol. Wt.: 132.115
Appearance : Colorless liquid
Density : 1.154
Melting point : 62C
Boiling point : 180 to 181C
Distinctive Chemical PropertiesDi Methyl Malonate is recognized for its clear, colourless appearance and characteristic fruity aroma. It has a molecular formula of C5H8O4, a density of 1.168 g/cm, and a melting point of -54C. Its stability under recommended storage conditions, high purity, and moderate refractive index make it indispensable for precise synthesis in various industries.
Safe Handling and Storage GuidelinesAs a highly flammable substance with a flash point of 71C and a vapour pressure of 0.3 mmHg at 20C, it is crucial to keep Di Methyl Malonate away from heat, sparks, and open flames. Always use in well-ventilated areas and store in tightly closed containers in cool, ventilated locations to maintain a shelf life of up to 24 months.
Applications Across IndustriesThis compound is extensively utilized as a pharmaceutical intermediate, in agrochemicals, pigment production, and other organic synthesis processes. Its chemical stability and purity support efficient manufacturing workflows, making it a preferred choice for industrial synthesis worldwide.
FAQs of Di Methyl Malonate:
Q: How should Di Methyl Malonate be stored to ensure maximum shelf life?
A: Di Methyl Malonate should be stored in tightly closed containers, placed in a cool and well-ventilated area away from any sources of heat, sparks, or open flames. Proper storage ensures a shelf life of between 12 and 24 months.
Q: What are the main benefits of using Di Methyl Malonate in industrial applications?
A: The high purity (min. 99%) and chemical stability of Di Methyl Malonate make it ideal for pharmaceutical intermediate, agrochemical, pigment, and organic synthesis operations, supporting high-quality and reliable production.
Q: When is Di Methyl Malonate typically used in manufacturing processes?
A: It is predominantly used during the synthesis stage in pharmaceutical and chemical manufacturing, especially for creating specialty compounds, vitamins, and pigments due to its reactive esters.
Q: Where can Di Methyl Malonate be transported and how is it regulated?
A: Di Methyl Malonate is available for international transport, regulated under UN 1168 and IMO guidelines for flammable liquids. It is typically packaged in 200 kg drums or ISO tanks for bulk distribution.
Q: What precautions should be observed during handling and usage?
A: While handling Di Methyl Malonate, always use it in areas with adequate ventilation, avoid contact with ignition sources, and ensure appropriate protective gear is worn. This minimizes the risk of fire or inhalation of vapors.
Q: Is Di Methyl Malonate poisonous or hazardous if ingested?
A: Di Methyl Malonate is not classified as poisonous, but ingestion is not recommended. Its main hazard lies in its high flammability, so ingestion or prolonged exposure should be avoided.
Q: How can Di Methyl Malonate benefit pharmaceutical or chemical synthesis processes?
A: It serves as a versatile building block, streamlining the production of various pharmaceuticals, agrochemicals, and specialty chemicals due to its reactivity and high purity, thus enhancing overall process efficiency.