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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   FORM 10-K/A

                ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934

                   For the fiscal year ended December 31, 1998
                          Commission file number 1-6450

                        GREAT LAKES CHEMICAL CORPORATION
             (Exact name of registrant as specified in its charter)
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        DELAWARE                                                   95-1765035
(State or other jurisdiction of                                   (IRS Employer
incorporation or organization)                                   Identification No.)
                                                
500 East 96th Street,                           
Suite 500                                       
Indianapolis, IN                                                       46240
(Address of principal executive offices)                             (Zip Code)
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         Registrant's telephone number, including area code 317-715-3000

Securities registered pursuant to Section 12(b) of the Act:

                                         Name of each exchange on
      Title of each class                    which registered
      -------------------                    ----------------
Common stock, $1.00 par value            New York Stock Exchange
                                         Pacific Stock Exchange  

Securities registered pursuant to Section 12(g) of the Act:  None

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months, and (2) has been subject to the filing requirements for
the past 90 days. Yes X  No

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405
of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's knowledge, in definitive proxy or information statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.      [ ]

As of March 8, 1999, the aggregate market value of the voting stock held by
non-affiliates of the registrant was $2,368,209,072.

As of March 8, 1999, 58,384,199 shares of the registrant's stock were
outstanding.

                       DOCUMENTS INCORPORATED BY REFERENCE

Portions of the 1998 Annual Report to Stockholders are incorporated by reference
into Parts I, II and IV. Portions of the annual proxy statement expected to be
filed on March 31, 1999, are incorporated by reference into Part III.


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The purpose of this amendment is to correct typographical errors in the
signature page of the issuer's Form 10K for December 31, 1998.

SIGNATURES
----------

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange
Act of 1934, the registrant has duly caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized.

GREAT LAKES CHEMICAL CORPORATION
--------------------------------
(Registrant)

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Date February 15, 1999                     /s/ Mark P. Bulriss                                   
     -------------------------------       -----------------------------------------------------
                                           Mark P. Bulriss, President and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report
has been signed below by the following persons on behalf of the registrant and
in the capacities and on the dates indicated:

Date February 15, 1999                     /s/ Mark E. Tomkins                                         
     -------------------------------       -------------------------------------------------------------------------
                                           Mark E. Tomkins, Senior Vice President and Chief Financial Officer

Date February 15, 1999                     /s/ Robert J. Smith                                                        
     -------------------------------       -------------------------------------------------------------------------
                                           Robert J. Smith, Vice President and Controller
                                           (Principal Accounting Officer)

Date February 15, 1999                     /s/ Thomas M. Fulton                                               
     -------------------------------       -------------------------------------------------------------------------
                                           Thomas M. Fulton, Director

Date February 15, 1999                     /s/ Martin M. Hale                                                         
     -------------------------------       -------------------------------------------------------------------------
                                           Martin M. Hale, Director

Date February 15, 1999                     /s/ Louis E. Lataif                                                        
     -------------------------------       -------------------------------------------------------------------------
                                           Louis E. Lataif, Director

Date February 15, 1999                     /s/ Richard H. Leet                                                        
     -------------------------------       -------------------------------------------------------------------------
                                           Richard H. Leet, Director

Date February 15, 1999                     /s/ Robert B. McDonald                                                     
     -------------------------------       -------------------------------------------------------------------------
                                           Robert B. McDonald, Director

Date February 15, 1999                     /s/ Mack G. Nichols                                                                
     -------------------------------       -------------------------------------------------------------------------
                                           Mack G. Nichols, Director

Date February 15, 1999                     /s/ Jay D. Proops                                                          
     -------------------------------       -------------------------------------------------------------------------
                                           Jay D. Proops, Director


                                   Signatures

In accordance with Section 13 or 15(d) of the Exchange Act, the registrant 
causes this amendment on Form 10K/A to be signed on its behalf by the
undersigned, thereunto duly authorized.

Dated April 19, 1999                       GREAT LAKES CHEMICAL CORPORATION
                                           By: /s/ Robert J. Smith                  
                                           -------------------------------------------------------------------------
                                           Robert J. Smith, Vice President and Controller

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