EXHIBIT 3.1

                                    RESTATED

                          CERTIFICATE OF INCORPORATION

                                       OF

                          IMC INORGANIC CHEMICALS INC.

         FIRST:   The name of the corporation is IMC Inorganic Chemicals Inc.

         SECOND:  The address of the Corporation's registered office in the
State of Delaware is 1209 Orange St., Wilmington, DE 19801, County of New
Castle. The name of the Corporation's registered agent at such address is The
Corporation Trust Company.

         THIRD:   The purpose of the Corporation is to engage in any lawful
activity for which corporations may be organized under the General Corporation
Law of the State of Delaware.

         FOURTH:  The total number of shares of all classes of capital stock
which the Corporation shall have the authority to issue is 1,000 shares of
common stock with $1.00 par value.

         FIFTH:   In furtherance and not in limitation of the powers conferred
by the statute, the Board of Directors is expressly authorized to make, alter or
repeal the Bylaws of the Corporation subject to any specific limitation on such
power contained in any Bylaws adopted by the stockholders. Election of directors
need not be by written ballot unless the Bylaws of the Corporation so provide.

         SIXTH:   A director of the Corporation shall not be personally liable
to the Corporation or its stockholders for monetary damages for breach of
fiduciary duty as a director except for liability (i) for any breach of the
director's duty of loyalty to the Corporation or its stockholder, (ii) for acts
or omissions not in good faith or which involve intentional misconduct or a
knowing violation of the law, (iii) under Section 174 of the General Corporation
Law of Delaware or (iv) for any transaction from which the director derived an
improper personal benefit. If the General Corporation Law of Delaware is amended
to authorize corporate action further eliminating or limiting personal liability
of a director, then the liability of a director of the Corporation shall be
eliminated or limited to the fullest extent permitted by the General Corporation
Law of Delaware as so amended. Any repeal or modification of this Article SIXTH
by the stockholders of the Corporation shall not adversely affect any right or
protection of a director of the Corporation existing at the time of such repeal
or modification.

         SEVENTH: Each person who is or was a director or officer of the
Corporation, and each person who serves or served at the request of the
Corporation as a director or officer of another enterprise shall be indemnified
by the Corporation in accordance with, and to the fullest extent authorized by,
the General Corporation Law of Delaware as it may be in effect from time to
time.

         EIGHTH:  The Corporation reserved the right to amend, alter, change or
repeal any provision contained in this Restated Certificate of Incorporation, in
the manner now or hereafter prescribed by the statute, and all rights conferred
upon the stockholders herein are granted subject to this reservation.