EXHIBIT 5(a)

May 14, 2003
E. I. du Pont de Nemours and Company
1007 Market Street
Wilmington, Delaware 19898

Sir/Madam:

          Reference is made to the Registration Statement being filed by you
with the Securities and Exchange Commission, relating to twenty thousand
(20,000) shares of E. I. du Pont de Nemours and Company (hereinafter called "the
Company") $0.30 par value Common Stock ("Common Stock"). It is my opinion that:

          (a)  the Company is duly organized and existing under the laws of the
               State of Delaware; and

          (b)  all shares of Common Stock so registered are or will when sold,
               be legally issued, fully paid and nonassessable.

          I hereby consent to the use of this opinion in connection with the
above-mentioned Registration Statement.

                                        Very truly yours,




                                        /s/ Stacey J. Mobley
                                        --------------------
                                        Stacey J. Mobley
                                        Senior Vice President
                                        and Chief Administrative
                                        Officer and General Counsel