<ARTICLE>                5

<LEGEND>
THIS SCHEDULE  CONTAINS SUMMARY  FINANCIAL  INFORMATION  EXTRACTED FROM AVITAR'S
QUARTERLY  REPORT FOR THE QUARTER  ENDED MARCH 31, 2000 AND IS  QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>



                                                    
<PERIOD-TYPE>                                    6-MOS
<FISCAL-YEAR-END>                                      SEP-30-2000
<PERIOD-START>                                         OCT-1-1999
<PERIOD-END>                                           MAR-31-2000
<CASH>                                                   1,488,213
<SECURITIES>                                                     0
<RECEIVABLES>                                              806,685
<ALLOWANCES>                                                90,000
<INVENTORY>                                                425,358
<CURRENT-ASSETS>                                         2,737,458
<PP&E>                                                   1,320,307
<DEPRECIATION>                                             974,957
<TOTAL-ASSETS>                                           5,982,154
<CURRENT-LIABILITIES>                                    1,687,944
<BONDS>                                                          0
<PREFERRED-MANDATORY>                                            0
<PREFERRED>                                                 20,634
<COMMON>                                                   280,322
<OTHER-SE>                                               3,878,006
<TOTAL-LIABILITY-AND-EQUITY>                             5,982,154
<SALES>                                                  1,620,209
<TOTAL-REVENUES>                                         1,620,209
<CGS>                                                    1,344,976
<TOTAL-COSTS>                                            4,613,155
<OTHER-EXPENSES>                                                 0
<LOSS-PROVISION>                                                 0
<INTEREST-EXPENSE>                                          42,425
<INCOME-PRETAX>                                         (2,999,456)
<INCOME-TAX>                                                     0
<INCOME-CONTINUING>                                     (2,999,456)
<DISCONTINUED>                                                   0
<EXTRAORDINARY>                                                  0
<CHANGES>                                                        0
<NET-INCOME>                                            (2,999,456)
<EPS-BASIC>                                                   (.13)
<EPS-DILUTED>                                                 (.13)