| Poznámka A | 024-007-00-3 | R 43 | | | | | | | |
| Poznámka E | | N; R 50-53 | | | | | | | |
| Chymotrypsin |
| 9004-07-3 | Xi; R 36/37/38 | Xn | R 36/37/38-42 | S (2-)22-24-26- 36/37 | | | | |
| 232-671-2 | R 42 | | | | | | |
| 647-011-00-2 | | | | | | | | |
| Imidazolidin-2-thion |
| ethylenthiomočovina |
| 96-45-7 | Repr.kat.2; R 61 | T | R 61-22 | S 53-45 | | | | |
| 202-506-9 | Xn; R 22 | | | | | | | |
| Poznámka E | 613-039-00-9 | | | | | | | | |
| 1,1´-Iminodi(propan-2-ol) |
| 110-97-4 | Xi; R 36 | Xi | R 36 | S (2-)26 | | | | |
| 203-820-9 | | | | | | | | |
| 603-083-00-7 | | | | | | | | |
| Ioxynil |
| 4-hydroxy-3,5-dijodbenzonitril |
| 1689-83-4 | Repr.kat.3; R 63 | T | R 21-25-63 | S (1/2-)36/37-45 | | | | |
| 216-881-1 | T; R 25 | | | | | | | |
| 608-007-00-6 | Xn; R 21 | | | | | | | |
| Ioxyniloktanoát viz (4-Kyan-2,6-dijodfenyl)-oktanoát |
| Iprobenfos |
| S-benzyl-O,O-diisopropyl-fosforothioát |
| 26087-47-8 | Xn; R 22 | Xn | R 22 | S (2) | | | | |
| 247-449-0 | | | | | | | | |
| 015-127-00-7 | | | | | | | | |
| Isobenzan |
| 1,3,4,5,6,7,8,8-oktachlor-1,3,3a,4,7,7a-hexahydro-4,7-dimethanoisobenzofuran |
| 297-78-9 | T+; R 27/28 | T+ | R 27/28-50 | S (1/2-)28-36/37- 45-61 | | | | |
| 206-045-4 | N; R 50 | N | | | | | |
| 602-053-00-0 | | | | | | | | |
| Isobornyl-thiokyanatoacetát |
| (1,7,7-trimethylbicyklo[2.2.1]heptan-2-yl)-thiokyanatoacetát |
| 115-31-1 | Xn; R 22 | Xn | R 22 | S (2-)24/25 | | | | |
| 204-081-5 | | | | | | | | |
| 615-015-00-3 | | | | | | | | |
| Isobutan |
| obsah buta-1,3-dienu | 75-28-5 | F+; R 12 | F+ | R 45-12 | S 53-45 | | | | |
| 200-857-2 | Karc.kat.2; R 45 | T | | | | | | |
| >0,1 % | 601-004-01-8 | | | | | | | | |
| Poznámka C | | | | | | | | | |
| Isobutyl-acetát |
| 110-19-0 | F; R 11 | F | R 11 | S (2)-16-23-29-33 | | | | |
| 203-745-1 | | | | | | | | |
| Poznámka C | 607-026-00-7 | | | | | | | | |
| Isobutyl-akrylát |
| 106-63-8 | R 10 | Xn | R 10-20/21-38-43 | S (2-)9-24-37 | | c ≥ 25 | | 10 ≤ c < 25 |
| 203-417-8 | Xn; R 20/21 | | | | | R 20/21-38-43 | | R 38-43 |
| 607-115-00-0 | Xi; R 38 | | | | | | | |
| | R 43 | | | | | | | 1 ≤ c < 10 |
| Poznámka D | | | | | | | | | R 43 |
| Isobutylalkohol viz 2-Methylpropan-1-ol |
| Isobutyl-but-3-enoát |
| 24342-03-8 | R 10 | | R 10 | S2 | | | | |
| 401-170-2 | | | | | | | | |
| 604-033-00-7 | | | | | | | | |
| Isobutyl-3,4-epoxybutanoát |
| 100181-71-3 | Xi; R 38 | Xi | R 38-43-50/53 | S (2-)24-28-36/37- 60-61 | | | | |
| 401-920-9 | R 43 | N | | | | | |
| 607-191-00-5 | N; R 50-53 | | | | | | | |
| Isobutyl(isopropyl)dimethoxysilan |
| 111439-76-0 | R 10 | Xn | R 10-20-38 | S (2-)25-26-36/37 | | | | |
| 402-580-4 | Xn; R 20 | | | | | | | |
| 014-009-00-2 | Xi; R 38 | | | | | | | |
| Isobutyl-methakrylát |
| 97-86-9 | R 10 | Xi | R 10-36/37/38-43 | S (2-)24-37 | | | | c ≥ 20 |
| 202-613-0 | Xi; R 36/37/38 | | | | | | | R 36/37/38-43 |
| 607-113-00-X | R 43 | | | | | | | |
| Poznámka D | | | | | | | | | 1 ≤ c < 20 |
| | | | | | | | | R 43 |
| cis,trans-2-Isobutyl-4-methyltetrahydropyran-4-ol (směs) |
| 63500-71-0 | Xi; R 36 | Xi | R 36 | S (2-)25-26 | | | | |
| 65418-70-4 | | | | | | | | |
| 65418-69-1 | | | | | | | | |
| 405-040-6 | | | | | | | | |
| 603-101-00-3 | | | | | | | | |
| Isobutyl-nitrit |
| 542-56-3 | F; R 11 | F | R 11-20/22 | S (2-)16-24-46 | | | | |
| 208-819-7 | Xn; R 20/22 | Xn | | | | | | |
| 007-017-00-2 | | | | | | | | |
| Isobutyrylchlorid |
| 79-30-1 | F; R 11 | F | R 11-35 | S (1/2-)16-23-26- 36-45 | | | | |
| 201-194-1 | C; R 35 | C | | | | | |
| 607-140-00-7 | | | | | | | | |
| Isodrin |
| (1α,4α,4aβ,5β,8β,8aβ)-1,2,3,4,10,10-hexachlor-1,4,4a,5,8,8a-hexahydro-1,4:5,8-dimethanonaftalen |
| 465-73-6 | T+; R 26/27/28 | T+ | R 26/27/28-50/53 | S (1/2-)13-28-45- 60-61 | | | | |
| 207-366-2 | N; R 50-53 | N | | | | | |
| 602-050-00-4 | | | | | | | | |
| Isofenfos |
| O-ethyl-O-[2-(isopropoxykarbonyl)fenyl]-N-isopropylfosforamidothioát |
| 25311-71-1 | T; R 24/25 | T | R 24/25 | S (1/2-)36/37-45 | | | | |
| 246-814-1 | | | | | | | | |
| 015-129-00-8 | | | | | | | | |
| Isoforon viz 3,5,5-Trimethylcyklohex-2-en-1-on |
| Isoforondiamin |
| 3-(aminomethyl)-3,5,5-trimethylcyklohexan-1-amin |
| 2855-13-2 | Xn; R 21/22 | C | R 21/22-34-43- | S (1/2-)26- 36/37/39-45-61 | | | c ≥ 25 | 5 ≤ c < 10 |
| 220-666-8 | C; R 34 | | 52/53 | | | R 21/22-34-43 | R 36/38-43 |
| 612-067-00-9 | R 43 | | | | | | | |
| | R 52-53 | | | | | | 10 ≤ c < 25 | 1 ≤ c |
| | | | | | | | R 34-43 | R 43 |
| Isoforondiisokyanát |
| 3-isokyanatomethyl-3,5,5-trimethylcyklohexyl-isokyanát |
| 4098-71-9 | T; R 23 | T | R 23-36/37/38- | S (1/2-)26-28-38-45 | c ≥ 20 | 0,5 ≤ c < 2 | | |
| 223-861-6 | Xi; R 36/37/38 | | 42/43 | | R 23-36/37/38- | R 20-42/43 | | |
| 615-008-00-5 | R 42/43 | | | | 42/43 | | | |
| Poznámka 2 | | | | | | 2 ≤ c < 20 | | | |
| | | | | | R 23-42/43 | | | |
| Isolan |
| (1-isopropyl-3-methylpyrazol-5-yl)-dimethylkarbamát |
| 119-38-0 | T+; R 27/28 | T+ | R 27/28 | S (1/2-)28- 36/37/39-45 | | | | |
| 204-318-2 | | | | | | | |
| 006-009-00-6 | | | | | | | | |
| Isopentan |
| 78-78-4 | F; R 11 | F | R 11 | S (2-)9-16-29-33 | | | | |
| 201-142-8 | | | | | | | | |
| Poznámka C | 601-006-00-1 | | | | | | | | |
| Isopren viz 2-Methylbuta-1,3-dien |
| Isoprokarb |
| (2-isopropylfenyl)-methylkarbamát |
| 2631-40-5 | Xn; R 22 | Xn | R 22 | S (2) | | | | |
| 220-114-6 | | | | | | | | |
| 006-053-00-6 | | | | | | | | |
| Isopropanolamin viz 1-Aminopropan-2-ol |
| Isopropenylbenzen |
| α-methylstyren |
| 98-83-9 | R 10 | Xi | R 10-36/37 | S (2) | | | | c ≥ 25 |
| 202-705-0 | Xi; R 36/37 | | | | | | | R 36/37 |
| 601-027-00-6 | | | | | | | | |
| Isopropoxid hlinitý |
| propan-2-olát hlinitý |
| 555-31-7 | F: R 11 | F | R 11 | S (2-)8-16 | | | | |
| 209-090-8 | | | | | | | | |
| 603-042-00-3 | | | | | | | | |
| 2-Isopropoxyethanol |
| 109-59-1 | Xn; R 20/21 | Xn | R 20/21-36 | S (2-)24/25 | | c ≥ 25 | | 20 ≤ c < 25 |
| 203-685-6 | Xi; R 36 | | | | | R 20/21-36 | | R 36 |
| 603-013-00-5 | | | | | | | | |
| Isopropyl-acetát |
| 108-21-4 | F; R 11 | F | R 11 | S (2-)16-23-29-33 | | | | |
| 203-561-1 | | | | | | | | |
| 607-024-00-6 | | | | | | | | |
| Poznámka C | | | | | | | | | |
| Isopropylalkohol viz Propan-2-ol |
| Isopropylamin |
| propan-2-amin |
| 75-31-0 | F+; R 12 | F+ | R 12-36/37/38 | S (2-)16-26-29 | | | | |
| 200-860-9 | Xi; R 36/37/38 | Xi | | | | | | |
| 612-007-00-1 | | | | | | | | |
| Isopropylbenzen |
| kumen |
| 98-82-8 | R 10 | Xi | R 10-37 | S (2) | | | | c ≥ 25 |
| 202-704-5 | Xi; R 37 | | | | | | | R 37 |
| Poznámka C | 601-024-00-X | | | | | | | | |
| Isopropyl-formiát |
| 625-55-8 | F; R 11 | F | R 11 | S (2-)9-16-33 | | | | |
| 210-901-2 | | | | | | | | |
| Poznámka C | 607-016-00-2 | | | | | | | | |
| Isopropylglykol viz 2-Isopropoxyethanol |
| Isopropyl-chloracetát |
| 105-48-6 | R 10 | T | R 10-25-36/37/38 | S (1/2-)26-37/39-45 | | | | |
| 203-301-7 | T; R 25 | | | | | | | |
| 607-206-00-5 | Xi; R 36/37/38 | | | | | | | |
| exo (-)-4-Isopropyl-1-methyl-2-(2-methylbenzyloxy)-7-oxabicyklo[2.2.1]heptan |
| | Xn; R 20 | Xn | R 20-51/53 | S (2-)22-61 | | | | |
| 402-410-9 | N; R 51-53 | N | | | | | | |
| 603-093-00-1 | | | | | | | | |
| exo-1-Isopropyl-4-methyl-7-oxabicyklo[2.2.1]heptan-2-ol |
| exo-2,5-epoxy-5-isopropyl-2-methylcyklohexanol |
| 107133-87-9 a | O; R 8 | O | R 8-22-36 | S (2-)26 | | | | |
| 87172-89-2 | Xn; R 22 | Xn | | | | | | |
| 402-470-6 | Xi; R 36 | | | | | | | |
| 603-091-00-0 | | | | | | | | |
| O-Isopropyl-O-(4-methylpent-2-yl)fosforodithioát měďný |
| | N; R 50-53 | N | R 50/53 | S 60-61 | | | | |
| 401-520-4 | | | | | | | | |
| 015-145-00-5 | | | | | | | | |
| S-[2-(Isopropylsulfinyl)ethyl]-O,O-dimethyl-fosforothioát |
| 2635-50-9 | T; R 23/24/25 | T | R 23/24/25 | S (1/2-)13- 45 | | | | |
| 015-075-00-5 | | | | | | | | |
| Isoproturon |
| 3-(4-isopropylfenyl)-1,1-dimethylmočovina |
| 34123-59-6 | Karc.kat.3; R 40 | Xn | R 22-40 | S (2-)36/37 | | | | |
| 251-835-4 | Xn; R 22 | | | | | | | |
| 006-044-00-7 | | | | | | | | |
| Isothioat |
| S-[2-(isopropylsulfanyl)ethyl]-O,O-dimethyl-fosforodithioát |
| 36614-38-7 | T; R 24/25 | T | R 24/25 | S (1/2-)28-36/37-45 | | | | |
| 015-130-00-3 | | | | | | | | |
| Isoxathion |
| O,O-diethyl-O-(5-fenylisoxazol-3-yl)-fosforothioát |
| 18854-01-8 | T; R 24/25 | T | R 24/25 | S (1/2-)28-36/37-45 | | | | |
| 242-624-8 | | | | | | | | |
| 015-131-00-9 | | | | | | | | |
| Jod |
| 7553-56-2 | Xn; R 20/21 | Xn | R 20/21 | S (2-)23-25 | | | | |
| 231-442-4 | | | | | | | | |
| 053-001-00-3 | | | | | | | | |
| Jodid kademnatý |
| 7790-80-9 | T; R 23/25 | T | R 23/25-33-40 | S (1/2-)22-45 | c ≥ 10 | 1 ≤ c | | |
| 232-223-6 | R 33 | | | | R 23/25-33-40 | R 20/22-33-40 | | |
| 048-007-00-8 | Xn; R 40 | | | | | 0,1 ≤ c < 1 | | |
| | | | | | | R 20/22-33 | | |
| Jodmethan |
| methyljodid |
| 74-88-4 | Karc.kat.3; R 40 | T | R 21-23/25-37/38- | S (1/2-)36/37-38-45 | | | | |
| 200-819-5 | Xn; R 21 | | 40 | | | | | |
| 602-005-00-9 | T; R 23/25 | | | | | | | |
| | Xi; R 37/38 | | | | | | | |
| Jodovodík |
| 10034-85-2 | C; R 35 | C | R 35 | S (1/2-)9 –26- 36/37/39-45 | | | c ≥ 10 | 0,02 ≤ c < 0,2 |
| 233-109-9 | | | | | | R 35 | R 36/37/38 |
| 053-002-00-9 | | | | | | | | |
| Poznámka 5 | | | | | | | | 0,2 ≤ c < 10 | |
| | | | | | | | R 34 | |
| 3-Jodprop-1-en |
| 556-56-9 | R 10 | C | R 10-34 | S (1/2-)7-26-45 | | | | |
| 209-130-4 | C; R 34 | | | | | | | |
| 602-054-00-6 | | | | | | | | |
| Jodylbenzen |
| 696-33-3 | E; R 1 | E | R1 | S (2-)35 | | | | |
| 053-003-00-4 | | | | | | | | |
| 3(4)-Jodylbenzoan vápenatý |
| | E; R 1 | E | R1 | S (2-)35 | | | | |
| Poznámka C | 053-004-00-X | | | | | | | | |
| Kadmium, sloučeniny (s výjimkou jmenovitě uvedených a sloučenin typu xCdS.yCdSe, xCdS.yZnS a xCdS.yHgS) |
| | Xn; R 20/21/22 | Xn | R 20/21/22 | S (2-)22 | | c ≥ 0,1 | | |
| Poznámka A | | | | | | | R 20/21/22 | | |
| Poznámka 1 | 048-001-00-5 | | | | | | | | |
| Kalafuna |
| 80-50-09-7 | R 43 | Xi | R 43 | S (2-) 24-37 | | | | |
| 8052-10-6 | | | | | | | | |
| 73138-82-6 | | | | | | | | |
| 232-475-7 | | | | | | | | |
| 232-484-6 | | | | | | | | |
| 277-299-1 | | | | | | | | |
| 650-015-00-7 | | | | | | | | |
| Kalomel viz Chlorid rtuťný |
| Kamfechlor |
| toxafen, chlor-2,2,3-trimethylbicyklo[2.2.1]heptan |
| 8001-35-2 | Karc.kat.3; R 40 | T | R 21-25-37//38-40- 50/53 | S (1/2-)36/37-45- 60-61 | | | | |
| 232-283-3 | T; R 25 | N | | | | |
| 602-044-00-1 | Xn; R 21 | | | | | | | |
| | Xi; R 37/38 | | | | | | | |
| | N; R 50-53 | | | | | | | |
| ε-Kaprolaktam |
| hexano-6-laktam |
| 105-60-2 | Xn; R 20/22 | Xn | R 20/22-36/37/38 | S (2) | | | | |
| 203-313-2 | Xi; R 36/37/38 | | | | | | | |
| 613-069-00-2 | | | | | | | | |
| Kaptafol |
| N-[(1,1,2,2-tetrachlorethyl)sulfanyl]-1,2,3,6-tetrahydroftalimid |
| 2425-06-1 | Karc.kat,2; R 45 | T | R 45-43 | S 53-45 | | | | |
| 219-363-3 | R 43 | | | | | | | |
| 613-046-00-7 | | | | | | | | |
| Kaptan |
| N-[(trichlormethyl)sulfanyl]-1,2,3,6-tetrahydroftalimid |
| 133-06-2 | Karc.kat.3; R 40 | Xn | R 36-40-43 | S (2-)36/37 | | | | |
| 205-087-0 | Xi; R 36 | | | | | | | |
| 613-044-00-6 | R 43 | | | | | | | |
| Karbadox |
| methyl-2-[(chinoxalin-2-yl)methyliden]hydrazin-1-karboxylát-1,4-dioxid |
| 6804-07-5 | F; R 11 | F | R 45-11-22 | S 53-45 | | | | |
| 229-879-0 | Karc.kat.2; R 45 | T | | | | | | |
| Poznámka E | 613-050-00-9 | Xn; R 22 | | | | | | | |
| Karbaryl |
| 1-naftyl-methylkarbamát |
| 63-25-2 | Xn; R 22 | Xn | R 22 | S (2-)22-24 | | | | |
| 200-555-0 | | | | | | | | |
| 006-011-00-7 | | | | | | | | |
| Karbendazim |
| methyl-(benzimidazol-2-yl)karbamát |
| 10605-21-7 | Mut.kat.3; R 40 | Xn | R 40 | S (2-)36/37 | | | | |
| 234-232-0 | | | | | | | | |
| 613-048-00-8 | | | | | | | | |
| Karbid vápníku |
| 75-20-7 | F; R 15 | F | R 15 | S (2-)8-43 | | | | |
| 200-848-3 | | | | | | | | |
| 006-004-00-9 | | | | | | | | |
| Karbofenothion |
| S-[(4-chlorfenyl)sulfanyl]methyl-O,O-diethyl-fosforodithioát |
| 786-19-6 | T; R 24/25 | T | R 24/25-50/53 | S (1/2-)28-36/37- 45-60-61 | | | | |
| 212-324-1 | N; R 50-53 | N | | | | | |
| 015-044-00-6 | | | | | | | | |
| Karbofuran |
| (2,2-dimethyl-2,3-dihydrobenzo[b]furan-7-yl)-methylkarbamát |
| 1563-66-2 | T+; R 26/28 | T+ | R 26/28 | S (1/2-)36/37-45 | | | | |
| 216-353-0 | | | | | | | | |
| 006-026-00-9 | | | | | | | | |
| Karbonylchlorid viz Fosgen |
| Kartaphydrochlorid |
| S,S´-(2-dimethylaminopropan-1,3-diyl)-bis(thiokarbamát) |
| 15263-52-2 | Xn; R 21/22 | Xn | R 21/22 | S (2-)36/37 | | | | |
| 239-309-2 | | | | | | | | |
| 616-017-00-7 | | | | | | | | |
| Kelevan |
| ethyl-[5-(1,2,4,5,6,7,8,8,9,10-dekachlor-3-hydroxypentacyklo[5.3.0.02,6.04,10.05,9]dekan-3-yl)-4-oxopentanoát] |
| 4234-79-1 | T; R 24 | T | R 22-24 | S (1/2-)36/37-45 | | | | |
| | Xn; R 22 | | | | | | | |
| 607-079-00-6 | | | | | | | | |
| Klofop-isobutyl |
| isobutyl-2-[4-(4-chlorfenoxy)fenoxy]propanoát |
| 51337-71-4 | Xn; R 22 | Xn | R 22 | S (2) | | | | |
| 607-160-00-6 | | | | | | | | |
| Klopyralid |
| 3,6-dichlorpyridin-2-karboxylová kyselina |
| 1702-17-6 | Xi; R 41 | Xi | R 41-51/53 | S (2-)26-39-61 | | | | |
| 216-935-4 | N; R 51-53 | N | | | | | | |
| 607-231-00-1 | | | | | | | | |
| Kobalt |
| 7440-48-4 | R 42/43 | Xn | R 42/43 | S (2-)22-24-37 | | | | |
| 231-158-0 | | | | | | | | |
| 027-001-00-9 | | | | | | | | |
| Kofein |
| 1,3,7-trimethyl-1,2,3,6-tetrahydropurin-2,6-dion |
| 58-08-2 | Xn; R 22 | Xn | R 22 | S (2) | | | | |
| 200-362-1 | | | | | | | | |
| 613-086-00-5 | | | | | | | | |
| Kolchicin |
| N-(1,2,3,4-tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)acetamid |
| 64-86-8 | T+; R 26/28 | T+ | R 26/28 | S (1/2-)13-45 | | | | |
| 200-598-5 | | | | | | | | |
| 614-005-00-6 | | | | | | | | |
| Kresol (směs kresolů) |
| 108-39-4 (m) | T; R 24/25 | T | R 24/25-34 | S (1/2-)36/37/39-45 | c ≥ 5 | 1 ≤ c | | |
| 95-48-7 (o) | C; R 34 | | | | R 24/25-34 | R 21/22-36/38 | | |