Phathalic anhydride

Phathalic anhydride

1,3-Isobenzofurandione; Phthalandione; Benzene-1,2-dicarboxylic anhydride

CAS 85-44-9

Chemical Formula C₈H₄O₃

Molecular Weight 148.12 g/mol

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Phthalic anhydride is the organic compound . Phthalic anhydride is a principal commercial form of phthalic acid. It was the first anhydride of a dicarboxylic acid to be used commercially. Phthalic anhydride is the cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. It has a role as an allergen.

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Industrial Uses

1. Pharmaceuticals

  • Chemical Intermediate: Phthalic anhydride is used as an intermediate in the synthesis of several pharmaceutical compounds. It is involved in the production of active pharmaceutical ingredients (APIs) and helps facilitate reactions like esterification and acylation in drug synthesis.
  • Synthesis of Anti-inflammatory Drugs: It serves as a precursor in the production of anti-inflammatory drugs like aspirin, where it contributes to the acetylation process.

2. Personal Care

  • Fragrance and Cosmetic Ingredient: Phthalic anhydride can be found in the formulation of certain cosmetic and personal care products, where it is used to synthesize phthalate esters, which act as solvents or carriers for active ingredients.
  • Polymer Ingredient: It also plays a role in the production of polymers used in personal care products, such as nail polishes and hair sprays, enhancing their texture and stability.

3. Paints & Coatings

  • Resin Production: Phthalic anhydride is a key raw material in the production of alkyd resins, which are widely used in paints and coatings for decorative and industrial applications. These resins provide durability, gloss, and flexibility to coatings and are particularly used in automotive and furniture finishes.
  • Plasticizers for Coatings: It is used in the synthesis of phthalate plasticizers, which improve the flexibility and durability of coatings and paints, especially in applications that require long-lasting performance and resistance to wear.

4. Polymers & Resins

  • Plasticizers & Flexibility Enhancers: Phthalic anhydride is a precursor in producing phthalate esters, which function as plasticizers. These additives are incorporated into plastics like polyvinyl chloride (PVC) to enhance flexibility, workability, and durability.
  • Monomers for Polymer & Resin Synthesis: Phthalic anhydride is a primary raw material in producing UPRs, which are widely used in manufacturing fiberglass-reinforced plastics and composite materials. These materials are prevalent in construction, marine, and automotive industries due to their strength and durability.

5. Pulp & Paper Solutions

  • Coating Agent in Paper Processing: In the pulp and paper industry, phthalic anhydride derivatives can be used as additives in paper coatings to improve the finish and printability of paper products.

Specifications

Assay ≥ 99.0%
Appearance White crystalline solid
Odor Slight, pungent odor
Boiling Point 284°C (543°F)
Melting Point 130.8°C (267.4°F)
Density 1.53 g/cm³ at 20°C
Solubility Soluble in hot water, alcohol, ether and chloroform; limited solubility in cold water
Viscosity Not applicable (solid at room temperature)
Flash Point 152°C (305°F) (closed cup)

Hazard Symbols

Corrosives
Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of Phathalic anhydride in India?
The price of Phathalic anhydride can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.979 979 2121 directly for a customized quote tailored to your needs.

2. Where can I buy Phathalic anhydride in India?
You can purchase Phathalic anhydride from MULTICHEM, a leading importer with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across India. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Phathalic anhydride?
Our minimum order quantity (MOQ) for Phathalic anhydride is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of Phathalic anhydride supplied by Multichem?
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.