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High-Quality Pyromellitic Dianhydride (PMAD) Suppliers and Factory in China - CAS No. 89-32-7

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High-Quality Pyromellitic Dianhydride (PMAD) Suppliers and Factory in China - CAS No. 89-32-7

Pyromellitic dianhydride, often referred to as homogeneous anhydride, is a high-purity chemical compound represented by pure white or slightly yellowish crystals. As a leading product among China suppliers, it is known for its rapid moisture absorption when exposed to humid air, which leads to hydrolysis into pyromellitic acid. Our factory ensures the highest quality standards in the production of this essential chemical, making it a vital component in various industrial applications.

    Product Advantages

    The product dissolves in dimethyl sulfoxide, dimethylformamide, and acetone among other organic solvents, but it remains insoluble in ether, chloroform, and benzene.

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    Frequently Asked Questions

    Which organic solvents can dissolve this product?

    This product easily dissolves in organic solvents such as dimethyl sulfoxide (DMSO), dimethylformamide (DMF), and acetone.

    Is the product soluble in ether or chloroform?

    No, the product is completely insoluble in ether and chloroform.

    Can benzene be used to dissolve this product?

    No, benzene is one of the solvents in which this product remains insoluble.

    What are the recommended solvents for preparing solutions?

    For preparation, it is recommended to use dimethyl sulfoxide (DMSO), dimethylformamide (DMF), or acetone, as the product exhibits good solubility in these media.

    How should I select a solvent based on these properties?

    Always select compatible organic solvents like DMSO, DMF, or acetone for dissolution, and strictly avoid ether, chloroform, and benzene to prevent precipitation or failed dissolution.