Pricing Supplement No. 10 dated October 30, 1998           Rule 424(B)(3)
(To Prospectus dated April 1, 1996                         File No. 33-58887
and Prospectus Supplement dated April 1, 1996)

                            Colgate-Palmolive Company

                        Medium-term Notes - Floating Rate

                                    Series C

        We are hereby offering to sell Notes having the terms specified below to
you with the  assistance of Goldman,  Sachs & Co.,  acting as agent,  at a fixed
initial public offering price of 100% of the Principal Amount.


Principal Amount: $29,162,000 Trade Date: October 30, 1998 Issue Price: 100% Original Issue Date: November 4, 1998 Initial Interest Rate: 5.05531% Net Proceeds to Issuer: $28,870,380 Stated Maturity Date: November 3, 2078 Agent's Discount or Commission: $291,620
Base Rate: [ ] Certificate of Deposit Rate [ ] CMT Rate [ ] Commercial Paper Rate [ ] Eleventh District Cost of Funds Rate [ X ] LIBOR Telerate: Page 3750 [ ] LIBOR Reuters [ ] Prime Rate [ ] Treasury Rate [ ] Other (see attached) Interest Rate Reset Dates: February 3, May 3, August 3 and November 3 of each year, commencing on February 3, 1999. Interest Rate Reset Period: Quarterly Interest Payment Dates: February 3, May 3, August 3 and November 3 of each year, commencing on February 3, 1999. Index Maturity: 3 month Index Currency: US Dollars Spread (+/-): - 21 basis points (- 0.21%) Spread Multiplier: N/A Maximum Interest Rate: N/A Minimum Interest Rate: N/A Day Count Convention: [ ] 30/360 for the period from ________ to ________ [ X ] Actual / 360 for the period from November 4, 1998 to November 3, 2078. [ ] Actual / Actual for the period from to Redemption: [ ] The Notes cannot be redeemed by the Company prior to the Stated Maturity Date. [ X ]The Notes may be redeemed by the Company prior to the Stated Maturity Date. The Notes may be redeemed, under the conditions provided in the Prospectus Supplement dated April 1, 1996, on November 3rd of each of the years set forth below, at the amounts set forth below (expressed as percentages of the Principal Amount of the Notes) corresponding to the years set forth below, together with any accrued interest to the Redemption Date. Redemption Date Redemption Price --------------- ---------------- November 3, 2028 105.00% November 3, 2029 104.50% November 3, 2030 104.00% November 3, 2031 103.50% November 3, 2032 103.00% November 3, 2033 102.50% November 3, 2034 102.00% November 3, 2035 101.50% November 3, 2036 101.00% November 3, 2037 100.50% and thereafter on November 3 of any year at 100% Optional Repayment: [ ] The Notes cannot be repaid at the option of the holder thereof prior to the Stated Maturity Date. [ X ] The Notes can be repaid at the option of the holder thereof prior to the Stated Maturity. The holder of the Notes may elect to cause the Company to repurchase the Notes, under the conditions provided in the Prospectus Supplement dated April 1, 1996, on November 3rd of each of the years set forth below, at the amounts set forth below (expressed as percentages of the Principal Amount of the Notes) corresponding to the years set forth below, together with any accrued interest to the Repurchase Date. Repurchase Date Repurchase Price --------------- ---------------- November 3, 2008 99.00% November 3, 2011 99.25% November 3, 2014 99.50% November 3, 2017 99.75% November 3, 2020 100.00% on November 3 every 3 years thereafter 100.00% (i.e., 2023, 2026, 2029, 2032, etc.) Currency: Specified Currency: US Dollars (If other than US Dollars, see attached.) Minimum Denomination: $1,000 (Applicable only if Specified Currency is other than US Dollars.) Original Issue Discount: [ ] [ X ] No Total amount of OID: Yield to Maturity: Initial Accrual Period: Form: [ X ] Book-entry [ ] Certificated [ ] Other provisions: Use of Proceeds: - --------------- The net proceeds from the sale of the Notes will be used by the Company to retire commercial paper which was issued by the Company for general corporate purposes and working capital. As of October 30 1998, the Company's outstanding commercial paper had a weighted average interest rate of 5.2904% with maturities ranging from 3 to 89 days.