Exhibit 23.1


                      CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby consent to the incorporation by reference in this Registration
Statement on Form S-4 of Lyondell Chemical Company (formerly Lyondell
Petrochemical Company) of our report dated February 26, 1999 relating to the
consolidated financial statements appearing on page 53 of Lyondell Chemical
Company's Annual Report on Form 10-K for the year ended December 31, 1998, our
report dated February 26, 1999 relating to the financial statements of Equistar
Chemicals, LP appearing on page 84 of Lyondell Chemical Company's Annual Report
on Form 10-K for the year ended December 31, 1998 and our report dated February
6, 1998 relating to the financial statements of LYONDELL-CITGO Refining LP
(formerly LYONDELL-CITGO Refining Company Ltd.) appearing on page 107 of
Lyondell Chemical Company's Annual Report on Form 10-K for the year ended
December 31, 1998 and our report dated February 26, 1999 relating to the
consolidated financial statements of Lyondell Chemical Company appearing in
Lyondell Chemical Company's Current Report on Form 8-K dated June 29, 1999. We
also consent to the reference to us under the heading "Experts" in such
Registration Statement.


PRICEWATERHOUSECOOPERS LLP

Houston, Texas
July 12, 1999

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