0001005477-00-002567 DEF 14A 1 20000523 20000328 CHEMFIRST INC 0001026601 2870 640679456 MS 1231 DEF 14A 34 333-35221 581087 P O BOX 1249 JACKSON MS 39202 6019487550 P O BOX 1249 JACKSON MS 39202 DEF 14A 1 000100547700002567-001-seq1-def-14a.txt DEFINITIVE PROXY STATEMENT