<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS (UNAUDITED) OF CABOT CORPORATION FOR THE NINE MONTHS ENDED
JUNE 30, 1995 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> US DOLLARS
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          SEP-30-1995
<PERIOD-START>                             OCT-01-1994
<PERIOD-END>                               JUN-30-1995
<EXCHANGE-RATE>                                      1
<CASH>                                          34,453
<SECURITIES>                                         0
<RECEIVABLES>                                  348,828
<ALLOWANCES>                                     9,231
<INVENTORY>                                    275,149
<CURRENT-ASSETS>                               681,181
<PP&E>                                       1,502,538
<DEPRECIATION>                                 770,637
<TOTAL-ASSETS>                               1,727,927
<CURRENT-LIABILITIES>                          440,649
<BONDS>                                        313,903
<COMMON>                                        67,775
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                     75,336
<OTHER-SE>                                   1,041,200
<TOTAL-LIABILITY-AND-EQUITY>                 1,727,927
<SALES>                                      1,404,117
<TOTAL-REVENUES>                             1,410,740
<CGS>                                          962,388
<TOTAL-COSTS>                                  962,388
<OTHER-EXPENSES>                                57,622
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              27,475
<INCOME-PRETAX>                                181,786
<INCOME-TAX>                                    67,129
<INCOME-CONTINUING>                            127,312
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   127,312
<EPS-PRIMARY>                                     3.21
<EPS-DILUTED>                                     2.98