Exhibit 23.1 Consent of Independent Auditors The Board of Directors of Union Carbide Corporation We consent to the incorporation by reference in this Registration Statement on Form S-8 of Union Carbide Corporation of our reports on Union Carbide Corporation included and incorporated by reference in the Annual Report on Form 10-K of Union Carbide Corporation for the year ended December 31, 1993. Our reports refer to changes in accounting principles as described in Note 1 to the consolidated financial statements. Stamford, Connecticut KPMG PEAT MARWICK May 9, 1994