| Tellurium dioxide | 텔루륨다이옥사이드 | KR —EU BannedUS — |
| Tembotrione (ISO); 2-{2-chloro-4-(methylsulfonyl)-3-[(2,2,2-trifluoroethoxy)methyl]benzoyl}cyclohexane-1,3-dione | | KR —EU BannedUS — |
| Tepraloxydim (ISO); (RS)-(EZ)-2-{1-[(2E)-3-chloroallyloxyimino]propyl}-3-hydroxy-5-perhydropyran-4-ylcyclohex-2-en-1-one | | KR —EU BannedUS — |
| Terephthalylidene Dicamphor Sulfonic Acid (Mexoryl SX (ecamsule)) | 테레프탈릴리덴디캠퍼설포닉애씨드 | KR OKEU OKUS Limits |
| Terpene Alcohols Acetates | 터펜알코올아세테이트 | KR LimitsEU LimitsUS — |
| Terpene Hydrocarbons | 터펜하이드로카본 | KR LimitsEU LimitsUS — |
| Terpenes And Terpenoids | | KR —EU LimitsUS — |
| Terpenes And Terpenoids Sinpine | | KR —EU LimitsUS — |
| Terpineol | 터피네올 | KR —EU LimitsUS — |
| Terpinolene | 터피놀렌 | KR LimitsEU LimitsUS — |
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| tert-butyl 2-ethylperoxyhexanoate | | KR —EU BannedUS — |
| tert-Butyl hydroperoxide | tert-부틸하이드로퍼옥사이드 | KR —EU BannedUS — |
| Testosterone | 테스토스테론 | KR BannedEU BannedUS — |
| Tetraaminopyrimidine Sulfate | 테트라아미노피리미딘설페이트 | KR —EU LimitsUS — |
| Tetrabenazine (INN) and its salts | | KR —EU BannedUS — |
| Tetrabromophenol Blue | 테트라브로모페놀블루 | KR —EU LimitsUS — |
| Tetrabromosalicylanilides | 테트라브로모살리실아닐리드 | KR BannedEU BannedUS — |
| Tetracaine (INN) and its salts | | KR —EU BannedUS — |
| Tetracarbonylnickel | 테트라카보닐니켈 | KR BannedEU BannedUS — |
| Tetrachloroethylene | 테트라클로로에틸렌 | KR BannedEU BannedUS — |
| Tetrachlorosalicylanilides | | KR —EU BannedUS — |
| Tetraethyl pyrophosphate (TEPP - ISO) | 테트라에칠피로포스페이트;티이피피(아이에스오) | KR BannedEU BannedUS — |
| Tetrafluoroethylene | 테트라플루오로에틸렌 | KR —EU BannedUS — |
| Tetrahydro-1,3-dimethyl-1H-pyrimidin-2-one; dimethyl propyleneurea | 테트라하이드로-1,3-다이메틸-1H-피리미딘-2-온; 다이메틸프로필렌우레아 | KR —EU BannedUS — |
| Tetrahydro-6-Nitroquinoxaline | | KR —EU BannedUS — |
| Tetrahydrofuran | 테트라하이드로퓨란 | KR —EU BannedUS — |
| Tetrahydrofurfuryl Alcohol | 테트라하이드로퍼퓨릴알코올 | KR —EU BannedUS — |
| Tetrahydrothiopyran-3-carboxaldehyde | 테트라하이드로티오피란-3-카복스알데하이드 | KR BannedEU BannedUS — |
| Tetrahydrozoline (Tetryzoline (INN)) and its salts | | KR —EU BannedUS — |
| Tetramethrin | 테트라메티린 | KR —EU BannedUS — |
| Tetramethyl Acetyloctahydronaphthalenes | 테트라메틸아세틸옥타하이드로나프탈렌 | KR —EU LimitsUS — |
| Tetramethyl Decynediol | 테트라메틸데사인다이올 | KR BannedEU BannedUS — |
| Tetrapotassium Etidronate | 테트라포타슘에티드로네이트 | KR LimitsEU LimitsUS — |
| Tetrasodium 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[5-amino-4-hydroxynaphthalene-2,7-disulphonate] | 테트라소듐 3,3’-[[1,1’-비페닐]-4,4’-다이일비스(아조)]비스[5-아미노-4-하이드록시나프탈렌-2,7-다이설포네이트] | KR BannedEU BannedUS — |
| Tetrasodium Etidronate | 테트라소듐에티드로네이트 | KR LimitsEU LimitsUS — |
| Tetrylammonium bromide (INN) | | KR —EU BannedUS — |
| Thalidomide (INN) and its salts | | KR —EU BannedUS — |
| Thallium and its compounds | 탈륨 및 그 화합물 | KR BannedEU BannedUS — |
| Theophylline; 1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione | | KR —EU BannedUS — |
| Thevetia neriifolia Juss., Glycoside extract | 노랑협죽도 Thevetia neriifolia juss, 배당체 추출물 | KR BannedEU BannedUS — |
| Thiacloprid (ISO); (Z)-3-(6-chloro-3-pyridyl-methyl)-1-3-thiazolidin-2-ylidenecyanamide; {(2Z)-3-[(6-chloropyridin-3-yl)methyl]-1,3-thiazolidin-2-ylidene}cyanamide | | KR —EU BannedUS — |
| Thiamazole (INN) | | KR —EU BannedUS — |
| Thiamethoxam (ISO); 3-(2-chloro-thiazol-5-ylmethyl)-5-methyl[1,3,5]oxadiazinan-4-ylidene-N-nitroamine | | KR —EU BannedUS — |
| Thimerosal | 티메로살 | KR —EU OKUS Limits |
| Thioacetamide | 티오아세타마이드 | KR BannedEU BannedUS — |
| Thioglycolic Acid | 치오글라이콜릭애씨드 | KR LimitsEU LimitsUS — |
| Thiophanate-methyl | 티오판네이트-메틸 | KR BannedEU BannedUS — |
| Thiotepa (INN) | | KR —EU BannedUS — |
| Thiourea | 티오우레아 | KR BannedEU LimitsUS — |
| Thiram | 티람 | KR LimitsEU BannedUS — |
| Thiuram monosulphides | 티우람모노설파이드 | KR BannedEU BannedUS — |
| Thuja Occidentalis Bark Extract | 서양측백나무껍질추출물 | KR LimitsEU LimitsUS — |
| Thuja Occidentalis Leaf | 서양측백나무잎 | KR LimitsEU LimitsUS — |
| Thuja Occidentalis Leaf Extract | 서양측백나무잎추출물 | KR LimitsEU LimitsUS — |
| Thuja Occidentalis Leaf Oil | 서양측백나무잎오일 | KR LimitsEU LimitsUS — |
| Thuja Occidentalis Root Extract | 서양측백나무뿌리추출물 | KR —EU LimitsUS — |
| Thuja Occidentalis Stem Oil | 서양측백나무줄기오일 | KR LimitsEU LimitsUS — |
| Thyropropic acid (INN) and its salts | 티로프로픽애씨드 및 그 염류 | KR BannedEU BannedUS — |
| Tipa-Acrylates/Ethylhexyl Acrylate Copolymer | 티파-아크릴레이트/에틸헥실아크릴레이트코폴리머 | KR LimitsEU LimitsUS — |
| Tipa-Laureth Sulfate | 티파-라우레스설페이트 | KR LimitsEU LimitsUS — |