EXHIBIT 23 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in Solutia Inc.'s Registration Statement on Form S-8 (Nos. 333-34561, 333-34587, 333-34589, 333-34591, 333-34593, 333-34683, 333-35689, 333-47911, 333-51081, 333-74463, 333-74465, 333-32112, and 333-39972) and Solutia Inc.'s Registration Statement on Form S-3 (No. 333-46070) of our report dated February 28, 2001 (December 21, 2001 as to Note 18) appearing in this Report on Form 8-K. /s/ Deloitte & Touche LLP DELOITTE & TOUCHE LLP Saint Louis, Missouri December 21, 2001