2,3-Diphenylmaleic Anhydride TCI D3943

Name: TCI D3943 4808-48-4 2,3-Diphenylmaleic Anhydride
Brand: TCI
SKU: TCI2510D394324381
Price: 6139350.0 IDR
Availability: InStock

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Berat 1g 5g

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Description

2,3-Diphenylmaleic Anhydride is a five-membered cyclic anhydride in which both positions of the ring double bond are substituted with phenyl rings, producing an extended conjugated system that responds readily to light. In the laboratory, this material is widely used as a spectroscopy reagent and photochemical probe, because the diphenylmaleate framework is able to absorb ultraviolet radiation and emit fluorescence in the visible range. Beyond its optical role, the reactive anhydride group makes it a practical starting material for forming maleimide, diester, and diamide derivatives that carry similar optical properties into larger molecules.

The characteristic that leads researchers to select this compound is the combination of a stable conjugated chromophore with an anhydride functional group that is easily opened by amines or alcohols. Cross-conjugation between the two phenyl rings and the maleate core produces clear emission behaviour, so the compound is convenient to use as a comparison standard or as a marker in fluorescence measurements. The adjacent phenyl rings also give the molecule a distinctive twisted geometry, a structural feature of considerable interest in studies of photochemistry, photochromism, and emission behaviour influenced by the surrounding environment.

In Indonesian laboratories, this reagent is typically encountered in university research groups, materials chemistry laboratories, and analytical facilities that carry out spectroscopic and photochemical work. It is generally handled in small quantities on the bench for fluorescence measurements, for the preparation of labelled derivatives, and for teaching and method development involving ultraviolet absorption and visible emission. Its dual character as both a chromophore and a reactive building block makes it a useful item to keep on hand in a shared reagent inventory serving several ongoing projects.

Laboratory Applications

Fluorescence measurement and calibration work — the conjugated diphenylmaleate chromophore emits clearly in the visible range, making it convenient as a comparison standard or marker during routine emission measurements.
Ultraviolet absorption studies — the extended conjugated system absorbs ultraviolet radiation strongly, so the compound serves well as a reference material when characterising absorption behaviour in spectroscopic experiments.
Synthesis of maleimide derivatives — the reactive anhydride ring is readily opened by amines, allowing chemists to transfer the optical properties of this framework into larger target molecules.
Preparation of diesters and diamides — reaction with alcohols or amines gives derivatives that retain similar optical characteristics, providing a practical route to fluorescent building blocks for further work.
Photochemistry and photochromism research — the twisted geometry created by the two adjacent phenyl rings makes this an interesting structural model for studying light-driven behaviour and environment-dependent emission.

Specifications

Brand: TCI
CAS Number: 4808-48-4
Catalogue Code: D3943
Category: Analytical Chemistry > Analytical Reagents > Spectroscopy Reagents
Pack Sizes: available in standard laboratory research pack sizes; please confirm the pack size required when ordering
Storage: store in a cool, dry place, protected from light and moisture

Handling and Storage

Store the container in a cool, dry, well-ventilated place away from direct sunlight and sources of heat, since the conjugated chromophore is light-responsive and the anhydride group is sensitive to moisture. Keep the material in its original tightly closed glass or chemically compatible container, and reseal promptly after each use to limit exposure to atmospheric humidity. Handle in a fume hood while wearing safety glasses, gloves, and a laboratory coat, and use clean dry spatulas to avoid contaminating the stock. Keep away from amines, alcohols, and other reactive substances, and always consult the manufacturer's safety data sheet before use.