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Catalog Number:
02350
CAS Number:
85-44-9
Phthalic anhydride
Grade:
ACS reagent
Purity:
99.0 - 100.2% (Assay by titration)
Synonym(s):
1,3-Isobenzofurandione, 1,2-Benzene dicarboxylic acid anhydride
Hazmat
Documents
$20.00 /250G
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Product Information

Phthalic anhydride is a versatile chemical compound widely utilized in various industrial applications. Known for its excellent reactivity, it serves as a key intermediate in the production of plasticizers, resins, and dyes. Its ability to enhance the flexibility and durability of materials makes it invaluable in the manufacturing of polyvinyl chloride (PVC) and other polymers. Additionally, phthalic anhydride is employed in the synthesis of alkyd resins, which are essential for high-performance coatings and paints, providing superior adhesion and weather resistance.

In the realm of research, phthalic anhydride is often used as a reagent in organic synthesis, facilitating the formation of complex molecules. Its unique properties allow for the development of various derivatives, expanding its applicability in pharmaceuticals and agrochemicals. With its proven track record in enhancing product performance and functionality, phthalic anhydride remains a crucial component for professionals seeking reliable and effective solutions in their formulations.

Synonyms
1,3-Isobenzofurandione, 1,2-Benzene dicarboxylic acid anhydride
CAS Number
85-44-9
Purity
99.0 - 100.2% (Assay by titration)
Grade
ACS reagent
Molecular Formula
C8H4O3
Molecular Weight
148.11
MDL Number
MFCD00005918
PubChem ID
6811
Melting Point
128 - 134 °C
Appearance
White flakes
Boiling Point
284 °C (Lit.)
Conditions
Store at RT
General Information
Synonyms
1,3-Isobenzofurandione, 1,2-Benzene dicarboxylic acid anhydride
CAS Number
85-44-9
Purity
99.0 - 100.2% (Assay by titration)
Grade
ACS reagent
Molecular Formula
C8H4O3
Molecular Weight
148.11
MDL Number
MFCD00005918
PubChem ID
6811
Melting Point
128 - 134 °C
Appearance
White flakes
Boiling Point
284 °C (Lit.)
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
Yes
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Phthalic anhydride is widely utilized in research focused on:

  • Plasticizers: It is a key ingredient in the production of plasticizers, which enhance the flexibility and durability of plastics. This application is crucial in industries like construction and automotive, where resilient materials are needed.
  • Resins and Coatings: Used in the formulation of unsaturated polyester resins, it provides excellent chemical resistance and durability. This makes it ideal for applications in marine coatings and automotive finishes.
  • Pharmaceuticals: It serves as an intermediate in the synthesis of various pharmaceutical compounds, streamlining the production of medications and improving their efficacy.
  • Textile Industry: Employed in the production of dyes and pigments, it enhances colorfastness and vibrancy, benefiting manufacturers in the textile sector.
  • Adhesives: Its role in creating strong adhesives and sealants is vital for construction and manufacturing, ensuring long-lasting bonds in various applications.

Citations