<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM AVITAR'S QUARTERLY REPORT FOR THE QUARTER ENDED DECEMBER 31, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> SEP-30-1999 <PERIOD-START> OCT-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 11,996 <SECURITIES> 0 <RECEIVABLES> 139,999 <ALLOWANCES> 0 <INVENTORY> 99,312 <CURRENT-ASSETS> 326,043 <PP&E> 700,695 <DEPRECIATION> 527,217 <TOTAL-ASSETS> 515,569 <CURRENT-LIABILITIES> 2,068,075 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 9,736 <COMMON> 175,309 <OTHER-SE> (1,786,351) <TOTAL-LIABILITY-AND-EQUITY> 515,569 <SALES> 484,097 <TOTAL-REVENUES> 484,097 <CGS> 468,269 <TOTAL-COSTS> 465,470 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 41,863 <INCOME-PRETAX> (467,505) <INCOME-TAX> 0 <INCOME-CONTINUING> (467,505) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (467,505) <EPS-PRIMARY> (.03) <EPS-DILUTED> (.03)