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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, 1995           COMMISSION FILE NO. 1-4654
 
                            ------------------------
 
                               WITCO CORPORATION
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
                            ------------------------
 
<TABLE>
<S>                                                       <C>
                        DELAWARE                                                 13-1870000
            (STATE OR OTHER JURISDICTION OF                         (I.R.S. EMPLOYER IDENTIFICATION NO.)
             INCORPORATION OR ORGANIZATION)
 
                   ONE AMERICAN LANE                                             06831-2559
                 GREENWICH, CONNECTICUT                                          (ZIP CODE)
        (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)
</TABLE>
 
       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (203) 552-2000
 
                            ------------------------
 
          SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
 
<TABLE>
<CAPTION>
                                                                           NAME OF EACH EXCHANGE
                          TITLE OF EACH CLASS                               ON WHICH REGISTERED
-----------------------------------------------------------------------   ------------------------
 
<S>                                                                       <C>
Common Stock -- $5 Par Value                                              New York Stock Exchange
Rights to Purchase Series A Participating                                 New York Stock Exchange
  Cumulative Preferred Stock
</TABLE>
 
     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 (or  for  such shorter  period  that the
Registrant was required to file such reports)  and (2) has been subject to  such
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. [x]
 
     As of March 1, 1996, the aggregate market value of the voting stock held by
non-affiliates  of the Registrant, based on the  closing price on March 1, 1996,
on the New  York Stock  Exchange for the  Registrant's Common  Stock, was  $1.82
billion.
 
     There  were 56,489,369 shares of  the Registrant's Common Stock outstanding
on March 1, 1996.
 
                      DOCUMENTS INCORPORATED BY REFERENCE
 
     Portions of Registrant's definitive Proxy Statement for its April 24, 1996,
Annual Meeting of Shareholders are incorporated by reference into Part III.
 
________________________________________________________________________________


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                                EXPLANATORY NOTE

     This Amendment to the Annual Report on Form 10-K for the fiscal year  ended
December 31, 1995  of  Witco Corporation  ("Witco")  is being  filed by Witco in
order to amend Item 5 thereof as set forth below.


                                    PART II
 
ITEM 5 -- MARKET FOR THE COMPANY'S COMMON STOCK AND RELATED SHAREHOLDER MATTERS
 
     Witco's Common  Stock  is  listed  on the  New  York  Stock  Exchange.  The
following  table reflects  the high  and low sales  prices, as  reported on such
exchange for each quarterly period during the past two years:
 
<TABLE>
<CAPTION>
                                                      1995                1994
                                                ----------------    ----------------
                   QUARTER                       HIGH      LOW       HIGH      LOW
---------------------------------------------   ------    ------    ------    ------
 
<S>                                             <C>       <C>       <C>       <C>
First........................................   $29.38    $24.25    $35.00    $30.00
Second.......................................   $33.13    $27.25    $32.00    $26.38
Third........................................   $35.63    $31.50    $31.25    $27.38
Fourth.......................................   $35.13    $27.50    $28.75    $24.38
</TABLE>
 
     The approximate number of holders of  record of the Company's Common  Stock
as of February 29, 1996, was 4,819.
 
     Dividends  on the Common Stock have been declared quarterly during the past
two years as follows:
 
<TABLE>
<CAPTION>
                                                                          PER SHARE
                                                                         ------------
                               QUARTER                                   1995    1994
----------------------------------------------------------------------   ----    ----
<S>                                                                      <C>     <C>
First.................................................................   $.28    $.25
Second................................................................   $.28    $.25
Third.................................................................   $.28    $.28
Fourth................................................................   $.28    $.28
</TABLE>
 
 
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                                   SIGNATURES
 
     Pursuant  to  the requirements  of Section  13 or  15(d) of  the Securities
Exchange  Act of 1934, the registrant has duly caused this Form 10-K/A report to
be signed on its behalf by  the undersigned,  thereunto duly authorized  on  the
25th day of March, 1996.
 
                                          WITCO CORPORATION
 
                                          By /s/       DUSTAN E. McCOY
                                             ...................................
                                                       DUSTAN E. McCOY
                                                       VICE PRESIDENT,
                                                GENERAL COUNSEL AND SECRETARY

 
 
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