120-46-7

CAS Nr.:

120-46-7

Dibenzoylmethane

EINECS Name:

Dibenzoylmethane

204-398-9

EINECS Nr.:

204-398-9

Dibenzolmethan (DBM) / 1,3-Diphenyl-1,3-propanedione / 2-Benzoylacetophenone / Dibenzoylmethane / Phenyl phenacyl ketone / Greenstab DBM 83 / Rhodiastab 83 / 1,3-Diphenyl-1,3-propanedione / 2-Benzoylacetophenone / Phenyl phenacyl ketone / Greenstab DBM 83

Synonym:

Dibenzolmethan (DBM) / 1,3-Diphenyl-1,3-propanedione / 2-Benzoylacetophenone / Dibenzoylmethane / Phenyl phenacyl ketone / Greenstab DBM 83 / Rhodiastab 83 / 1,3-Diphenyl-1,3-propanedione / 2-Benzoylacetophenone / Phenyl phenacyl ketone / Greenstab DBM 83

Dibenzoylmethane, also known as DBM, is a crystalline substance with a white to light yellow appearance. It has a molecular weight of 224.25 g/mol and a melting point of about 77-79 °C. DBM is relatively insoluble in water but shows good solubility in organic solvents such as ethanol, benzene, and chloroform. Its chemical structure gives it strong chelating properties, allowing it to form stable complexes with metal ions.

Applications of Dibenzoylmethane

Dibenzoylmethane is widely used as a co-stabilizer in the production of PVC (polyvinyl chloride). It enhances the thermal stability of PVC, preventing degradation and discoloration during processing and use. By improving the heat resistance of PVC, DBM ensures the longevity and quality of the final products, making it a crucial additive in the plastics industry.

In the pharmaceutical sector, Dibenzoylmethane is used as an intermediate in the synthesis of various medicinal compounds. Its unique chemical properties make it valuable in the production of certain drugs, including those with anti-inflammatory and anticancer properties. DBM's role as a building block in drug synthesis highlights its importance in pharmaceutical research and development.

DBM is also utilized in the cosmetics industry as a UV absorber. It is an active ingredient in sunscreens and other skincare products, providing protection against harmful ultraviolet rays. By absorbing UV radiation, DBM helps prevent skin damage and premature aging, making it an essential component in formulations designed for sun protection.

In the printing and coatings industry, DBM is employed as a photoinitiator. It initiates the polymerization process when exposed to UV light, leading to the rapid curing of inks and coatings. This application is particularly valuable in processes where quick drying and hardening are required, such as in UV-curable printing inks and protective coatings.

Dibenzoylmethane is a highly versatile chemical raw material with a wide range of applications. From its role as a stabilizer in plastics to its use in pharmaceuticals, cosmetics, and printing, DBM's unique properties make it indispensable in various industrial processes. Its ability to improve product performance and stability underscores its significance in modern manufacturing and product development.