INTRODUCTION
2-Benzoylbenzoic Acid is an organic compound featuring a benzoyl group attached to a carboxylic acid group, commonly used as an intermediate in the synthesis of pharmaceuticals, dyes, and polymers, as well as for its photochemical properties in UV-absorbing formulations.
MANUFACTURE
It is synthesized through a Friedel–Crafts reaction using phthalic anhydride, benzene, and aluminum chloride, followed by purification.
| Synonym | o-Benzoylbenzoic acid, 2-Carboxybenzophenone |
| CAS no. | 85-52-9 |
| EINECS no. | 201-612-2 |
| Molecular formula | C14H10O3 |
| Molecular weight | 226.23 |
| Structure |  |
APPLICATIONS
| Serving as an intermediate in the synthesis of pharmaceutical compounds, including NSAIDs and other therapeutic agents, 2-benzoylbenzoic acid derivatives also show potential in photodynamic therapy for cancer and bacterial infections. |
| It acts as a monomer in high-performance polymers like polyesters and polyamides and improves UV stability and thermal resistance when used as a plastic additive. |
| 2-Benzoylbenzoic acid and its derivatives act as photo initiators in UV-cured coatings and adhesives, absorbing UV light to facilitate polymerization in industries like automotive coatings, electronics, and graphic printing. |
| It serves as an electroactive material in carbon sensors for the selective detection of Cr (III) ions in pharmaceutical samples and industrial wastewater. |
| 2-Benzoylbenzoic acid and its derivatives are being explored for use in organic electronics, including OLEDs, OPVs, and photovoltaic cells, because of their ability to absorb light and support charge transport. |
SPECIFICATIONS
| Test | Unit | Specifications |
|---|---|---|
| Appearance | – | Off-white to white powder |
| Identification (FT-IR) | – | Corresponds to reference standard |
| Melting Range | 0C | Between 126 to 1300C |
| MC by KF | % w/w | NMT 2.0 |
| Solubility in Methanol | – | Slightly turbid solution |
| Sulphated ash | % | NMT 0.5 |
| Assay (Titrimetry) | % | NLT 98 and NMT 102 |
| Purity by HPLC | % | NLT 99 |
| Impurity X1 | % | NMT 0.2 |
| Methyl-2-benzoylbenzoate+Imp X2 | % | NMT 0.2 |
| Other impurities | % | NMT 0.1 |
| Benzene content | ppm | NMT 2 |
STORAGE
Store at room temperature in a tightly closed container in a dry, well-ventilated area.
PACKING
HDPE drums
REACH Status
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