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  December  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
-------------------------
James J. O'Brien
Chief Executive Officer
February 7, 2007


/s/ J. Marvin Quin
-------------------------
J. Marvin Quin
Chief Financial Officer
February 7, 2007