SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20548

               RULE 23C-2 NOTICE OF INTENTION TO REDEEM SECURITIES

                                       of

                BlackRock Insured Municipal 2008 Term Trust Inc.
                              100 Bellevue Parkway
                              Wilmington, DE 19809
                                 (888) 825-2257

                                    under the

                         Investment Company Act of 1940

                    Investment Company Act File No. 811-06721



1.       Title of the class of securities of BlackRock Insured Municipal 2008
         Term Trust Inc. (the "Company") to be redeemed:

                  Auction Rate Municipal Preferred Stock, Series T7, par value
                  $.01 per share (CUSIP 09247K307) (the "Shares")

2.       The date on which the securities are to be called or redeemed:

                  October 25, 2006

3.       The applicable provisions of the governing instrument pursuant to which
         the securities are to be called or redeemed:

                  The Shares are to be redeemed pursuant to Section 4 of the
                  Company's Articles of Amendment.

4.       The principal amount or number of shares and the basis upon which the
         securities to be redeemed are to be selected:

                  The Company intends to redeem certain of the outstanding
                  (3,480) Shares, representing an aggregate principal amount of
                  $87,000,000.



                                    SIGNATURE

         Pursuant to the requirement of Rule 23c-2 of the Investment Company Act
of 1940, the Company has duly caused this Notice of Intention to Redeem
Securities to be signed on its behalf by the undersigned, on this 21st day of
September, 2006.


                           THE BLACKROCK INSURED MUNICIPAL 2008 TERM TRUST INC.


                                       By: /s/ Robert S. Kapito
                                           ---------------------------------
                                           Name:  Robert S. Kapito
                                           Title: President