Exhibit 32

                                ASHLAND INC.

                         CERTIFICATION PURSUANT TO
                          18 U.S.C. SECTION 1350,
                           AS ADOPTED PURSUANT TO
               SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


In connection with the Quarterly  Report of Ashland Inc. (the "Company") on
Form 10-Q for the period ended March 31, 2006 as filed with the  Securities
and  Exchange  Commission  on the date hereof (the  "Report"),  each of the
undersigned,  James J. O'Brien, Chief Executive Officer of the Company, and
J. Marvin Quin, Chief Financial Officer of the Company,  certify,  pursuant
to 18 U.S.C.  Section  1350,  as adopted  pursuant  to  Section  906 of the
Sarbanes-Oxley Act of 2002, that:

(1)  The Report fully  complies with the  requirements  of section 13(a) or
     15(d) of the Securities Exchange Act of 1934; and

(2)  The  information  contained  in the  Report  fairly  presents,  in all
     material respects,  the financial  condition and results of operations
     of the Company.




 /s/ James J. O'Brien
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James J. O'Brien
Chief Executive Officer
May 9, 2006



 /s/ J. Marvin Quin
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J. Marvin Quin
Chief Financial Officer
May 9, 2006