Exhibit 23.1

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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-169222, 333-193021, 333-198407, 333-198409, 333-224645 and 333-234732) of Covista Inc. of our report dated August 6, 2026 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

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/s/ PricewaterhouseCoopers LLP

Chicago, Illinois

August 6, 2026