PART 172 — FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FORHUMAN CONSUMPTION [ 21 CFR 172 ]PART172 — FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOODFOR HUMAN CONSUMPTION [ 21 CFR 172 ]Table of ContentsSubpart A — General Provisions§ 172.5 — General provisions for direct foodadditives.Subpart B — Food Preservatives§ 172.105 — Anoxomer.[ Last FR update: 06/12/1989 ]§ 172.110 — BHA.§ 172.115 — BHT.§ 172.120 — Calcium disodium EDTA.[ Last FR update: 08/08/2000 ]§ 172.130 — Dehydroacetic acid.§ 172.133 — Dimethyl dicarbonate.[ Last FR update: 03/07/2001 ]§ 172.135 — Disodium EDTA.[ Last FR update: 08/08/2000 ]§ 172.140 — Ethoxyquin.§ 172.145 — Heptylparaben.§ 172.150 — 4-Hydroxymethyl-2,6-di- tert-butylphenol.§ 172.155 — Natamycin (pimaricin).[ Last FR update: 03/08/2001 ]§ 172.160 — Potassium nitrate.§ 172.165 — Quaternary ammonium chloridecombination.[ Last FR update:01/29/1985 ]§ 172.167 — Silver nitr...