EXHIBIT 23


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We consent to the incorporation by reference in Registration Statement No.
333-62566 on Form S-8, Registration Statement No. 333-53449 on Form S-8,
Amendment No. 2 to Registration Statement No. 33-52196 on Form S-3 and
Registration Statement No. 333-104732 on Form S-8 of our report dated January
11, 2005 appearing in this Annual Report on Form 10-K of American Pacific
Corporation for the year ended September 30, 2004.




DELOITTE & TOUCHE LLP
Las Vegas, Nevada
January 12, 2005