0000891554-99-000582 DEF 14A 1 19990525 19990325 CHEMFIRST INC 0001026601 2870 640679456 MS 1231 DEF 14A 34 333-35221 99572997 P O BOX 1249 JACKSON MS 39215 6019480218 P O BOX 1249 JACKSON MS 39215-1249 DEF 14A 1 000089155499000582-001-seq1-def-14a.txt PROXY STATEMENT