Dimethyl Terephthalate (DMT), identified by its CAS number 120-61-6, is a critical organic compound that plays a significant role in the chemical industry. This article explores its detailed chemical properties, industrial applications, and the importance of sourcing from reliable manufacturers like NINGBO INNO PHARMCHEM CO.,LTD.

Chemical and Physical Characteristics

DMT is characterized by its appearance as white chunks, with a density of approximately 1.2 g/cm³. It has a high boiling point of 285.0±8.0 °C at 760 mmHg and a melting point of 140 °C. These properties contribute to its stability and ease of handling in various industrial processes. The molecular formula is C10H10O4, with a molecular weight of 194.184. Its flash point is 148.0±7.9 °C, indicating a moderate flammability risk.

Key Specifications

  • Appearance: White Chunks
  • Assay: ≥99.0%
  • CAS No.: 120-61-6
  • Molecular Formula: C10H10O4
  • Molecular Weight: 194.184 g/mol

Industrial Applications

The primary application of DMT is as an intermediate in the synthesis of Pigment Yellow 155 (PY155). PY155 is a high-performance yellow pigment widely used in the production of paints, coatings, plastics, and printing inks due to its excellent color strength, lightfastness, and thermal stability. DMT's role as a precursor ensures the quality and consistency of the final pigment.

Beyond pigments, DMT is also a crucial intermediate in the synthesis of polymers, most notably polyethylene terephthalate (PET), through the ester exchange process. This versatility makes it a valuable commodity chemical.

Manufacturing and Supply Chain Insights

NINGBO INNO PHARMCHEM CO.,LTD. is a prominent manufacturer and supplier of DMT, emphasizing bulk supply and contract manufacturing of fine chemicals and pharmaceutical intermediates. The company's commitment to quality is evident in its perfect analytical equipment and strict product testing methods, ensuring continuous improvement of product quality and structure. They offer services ranging from kilo to ton quantities, catering to the needs of pharmaceutical companies, universities, and research institutions.

DMT is typically packaged in 25 kg drums but can also be packaged according to customer requirements. Proper storage in a cool, ventilated place is recommended to maintain its integrity and efficacy.

In conclusion, Dimethyl Terephthalate is a vital chemical intermediate with diverse industrial applications. Its well-defined properties and high purity make it an indispensable component in the production of high-performance pigments and polymers. Partnering with a reliable supplier like NINGBO INNO PHARMCHEM CO.,LTD. ensures access to this critical material for various manufacturing and research needs.