Phthalic Anhydride – 500 gram Packs

Phthalic Anhydride is a laboratory material described as a cyclic aromatic carboxylic acid anhydride. It hydrolyzes to phthalic acid in water and is a recognized respiratory and skin sensitization concern. The material is listed in a 500 gram packs pack size for laboratory purchasing and inventory identification; pack quantity does not establish chemical purity or suitability for a specific method. In educational and analytical work, the relevant chemical properties help determine appropriate experiments, preparation conditions, and safe handling practices. Its behavior should be evaluated with the actual supplied grade, composition, and product-specific safety information in mind. Students, technicians, and researchers should use defined procedures when preparing solutions, measuring samples, or performing controlled demonstrations. Where composition, hydrate state, molecular-weight distribution, or solvent compatibility varies by manufacturer, verify the exact supplied product before using quantitative calculations or relying on method-specific performance.

Product Specifications

Key Features of Phthalic Anhydride

• Phthalic Anhydride is identified for laboratory use as a cyclic aromatic carboxylic acid anhydride.
• It hydrolyzes to phthalic acid in water and is a recognized respiratory and skin sensitization concern.
• Pack configuration: 500 gram Packs; use the full product label to distinguish it from other catalogue sizes.
• Listed chemical form and composition: C8H4O3.
• Suitable only for methods that accept the verified product form, grade, concentration and associated safety constraints.

Laboratory Applications of Phthalic Anhydride

• Teaching nucleophilic acyl substitution in controlled organic chemistry laboratories
• Controlled hydrolysis studies comparing acid anhydrides with their parent acids
• Preparation of approved phthalate-derived research intermediates
• Characterization of anhydride functional groups by spectroscopy
• Research involving defined aromatic anhydride reactions

Why Choose Lab Wale to Buy Phthalic Anhydride

Lab Wale offers Phthalic Anhydride as part of a catalogue intended for educational institutions, laboratories, and research purchasers. Clear chemical identification, pack information, and the correct reagent grade help teams choose materials for experiments and routine laboratory preparation. Before ordering, compare the intended protocol with the actual formulation, available product details, and safety documentation. Where hydrate state or composition is not identified by the catalogue name, confirm the supplied variant before performing formula-based calculations or selecting specialized analytical methods.

Frequently Asked Questions About Phthalic Anhydride

What is Phthalic Anhydride used for in laboratories?

Phthalic Anhydride is used where its cyclic aromatic carboxylic acid anhydride properties are relevant. Examples include teaching nucleophilic acyl substitution in controlled organic chemistry laboratories and controlled hydrolysis studies comparing acid anhydrides with their parent acids. Only use it where the supplied grade and form meet the experimental or analytical method requirements.

What chemical formula and molecular weight apply to Phthalic Anhydride?

The formula information for this listing is C8H4O3; the molecular-weight information is 148.12 g/mol. For mixtures, polymers and hydrate-dependent products, a single value may not be meaningful without confirming the actual composition.

How should Phthalic Anhydride be selected for a laboratory method?

Check the exact chemical identity, concentration or hydration state where relevant, pack size, method compatibility, and current safety information. A nominal LR designation alone does not demonstrate that a material meets the criteria for a particular quantitative or specialized test.

What is an important property of Phthalic Anhydride?

It hydrolyzes to phthalic acid in water and is a recognized respiratory and skin sensitization concern. This behavior helps explain why the substance may be selected for particular laboratory investigations, and also why controls or precautions may be required during preparation, handling and storage.

How should Phthalic Anhydride be stored and handled?

Keep in a sealed, dry compatible container away from humidity, water and strong oxidizers. Use suitable segregated chemical storage and protect against airborne dust. Dust can irritate the respiratory tract, eyes and skin; sensitization is a concern. Work under local exhaust with suitable gloves, goggles and protective clothing. Avoid uncontrolled contact with water or reactive chemicals. Read the current product-specific SDS and apply institutional procedures before use.

Storage Conditions for Phthalic Anhydride

Keep in a sealed, dry compatible container away from humidity, water and strong oxidizers. Use suitable segregated chemical storage and protect against airborne dust. Confirm any additional controls from the current SDS and packaging instructions. Store separately from incompatible substances as required by laboratory chemical segregation policies.

Precautions for Handling Phthalic Anhydride

Review the current Safety Data Sheet before opening the container. Dust can irritate the respiratory tract, eyes and skin; sensitization is a concern. Work under local exhaust with suitable gloves, goggles and protective clothing. Avoid uncontrolled contact with water or reactive chemicals. Use appropriate laboratory attire and prevent unnecessary exposure. Follow applicable procedures for spills, incident reporting, and disposal; do not discharge residues into drains unless expressly permitted.