| 201-706-3 | Karc.kat.3; R 40 | | | | | | | |
| 006-008-00-0 | | | | | | | | |
| Naled |
| (1,2-dibrom-2,2-dichlorethyl)-dimethyl-fosfát |
| 300-76-5 | Xn; R 21/22 | Xn | R 21/22-36/38 | S (2-)36/37 | | | | |
| 206-098-3 | Xi; R 36/38 | | | | | | | |
| 015-055-00-6 | | | | | | | | |
| Natrium-hydrogen-N-(2-karboxyethyl)-N-(oktadec-9-en-1-yl)maleamát |
| | R 43 | Xi | R 43-52/53 | S (2-)24-37-61 | | | | |
| 402-970-4 | R 52-53 | | | | | | | |
| 607-188-00-9 | | | | | | | | |
| Neopentylglykoldiakrylát viz 2,2-Dimethylpropandiol-1,3-diakrylát |
| Nikl |
| 7440-02-0 | Karc.kat.3; R 40 | Xn | R 40-43 | S (2-)22-36 | | | | |
| 231-111-4 | R 43 | | | | | | | |
| 028-002-00-7 | | | | | | | | |
| Nikotin |
| 54-11-5 | T+; R 27 | T+ | R 25-27 | S (1/2-)36/37-45 | | | | |
| 200-193-3 | T; R 25 | | | | | | | |
| 614-001-00-4 | | | | | | | | |
| Nikotin, soli |
| | T+; R 26/27/28 | T+ | R 26/27/28 | S (1/2-)13-28-45 | | | | |
| Poznámka A | 614-002-00-X | | | | | | | | |
| Nitrapyrin |
| 1929-82-4 | Xn; R 22 | Xn | R 22 | S (2-)24 | | | | |
| 217-682-2 | | | | | | | | |
| 006-057-00-8 | | | | | | | | |
| 1,1´,1´´-Nitrilotri(propan-2-ol) |
| 122-20-3 | Xi; R 36 | Xi | R 36 | S (2-)26 | | | | |
| 204-528-4 | | | | | | | | |
| 603-097-00-3 | | | | | | | | |
| Nitroanilin |
| 2-nitroanilin (1), 3-nitroanilin (2), 4-nitroanilin (3) |
| 88-74-4 (1) | T; R 23/24/25 | T | R 23/24/25-33- 52/53 | S (1/2-)28-36/37- 45-61 | | | | |
| 99-09-2 (2) | R 33 | | | | | |
| 100-01-6 (3) | R 52-53 | | | | | | | |
| 201-855-4(1) | | | | | | | | |
| 202-729-1(2) | | | | | | | | |
| 202-810-1(3) | | | | | | | | |
| Poznámka C | 612-012-00-9 | | | | | | | | |
| 2-Nitro-p-anisidin viz 4-Methoxy-2-nitroanilin |
| 2-Nitroanisol viz 2-Methoxynitrobenzen |
| Nitrobenzen | | | | | | | | | |
| 98-95-3 | T+; R 26/27/28 | T+ | R 26/27/28-33 | S (1/2-)28-36/37-45 | T+ | 0,2 ≤ c < 1 | | |
| 202-716-0 | R 33 | | | | c ≥ 7 | R 20/21/22-33 | | |
| 609-003-00-7 | | | | | R 26/27/28-33 | | | |
| | | | | | T | | | |
| | | | | | 1 ≤ c | | | |
| | | | | | R 23/24/25-33 | | | |
| 3-Nitrobenzensulfonan sodný |
| 127-68-4 | Xi; R 36 | Xi | R 36-43 | S (2-)24-26-37 | | | | |
| 204-857-3 | R 43 | | | | | | | |
| 609-048-00-2 | | | | | | | | |
| 4-Nitrobifenyl |
| 92-93-3 | Karc.kat.2; R 45 | T | R 45 | S 53-45 | | | | |
| 202-204-7 | | | | | | | | |
| 609-039-00-3 | | | | | | | | |
| Nitrocelulosa |
| obsah dusíku | | F; R 11 | F | R 11 | S (2-)16-33-37/39 | | | | |
| < 12,6 % | | | | | | | | | |
| 603-037-01-3 | | | | | | | | |
| Nitrocelulosa |
| obsah dusíku | | E; R 3 | E | R 1-3 | S (2-)35 | | | | |
| > 12,6 % | | R 1 | | | | | | | |
| 603-037-00-6 | | | | | | | | |
| 5-Nitro-1,2-dihydroacenaftylen |
| 602-87-9 | Karc.kat.2; R 45 | T | R 45 | S 53-45 | | | | |
| 210-025-0 | | | | | | | | |
| 609-037-00-2 | | | | | | | | |
| Nitroethan |
| 79-24-3 | R 10 | Xn | R 10-20/22 | S (2-)9-25-41 | | c ≥ 12,5 | | |
| 201-188-9 | Xn; R 20/22 | | | | | R 20/22 | | |
| 609-035-00-1 | | | | | | | | |
| Nitrofen |
| (2,4-dichlorfenyl)(4-nitrofenyl)ether, 1,3-dichlor-4-(4-nitrofenoxy)benzen |
| 1836-75-5 | Karc.kat.2; R 45 | T | R 45-61 | S 53-45 | | | | |
| 217-406-0 | Repr.kat.2; R 61 | | | | | | | |
| 609-040-00-9 | | | | | | | | |
| 4-Nitrofenol |
| 100-02-7 | Xn; R 20/21/22 | Xn | R 20/21/22-33 | S (2-)28 | | | | |
| 202-811-7 | R 33 | | | | | | | |
| 609-015-00-2 | | | | | | | | |
| p-Nitrofenol viz 4-Nitrofenol |
| Nitroglycerin |
| glycerol-trinitrát |
| 55-63-0 | E; R 3 | E | R 3-26/27/28-33 | S (1/2-)33- 35-36/37-45 | | | | |
| 200-240-8 | T+; R 26/27/28 | T+ | | | | | |
| 603-034-00-X | R 33 | | | | | | | |
| Nitroglykol viz Ethylenglykol-dinitrát |
| Nitromannitol viz Mannitol-hexanitrát |
| Nitromethan | | | | | | | | | |
| 75-52-5 | R 5-10 | Xn | R 5-10-22 | S (2-)41 | | c ≥ 12,5 | | |
| 200-876-6 | Xn; R 22 | | | | | R 22 | | |
| 609-036-00-7 | | | | | | | | |
| 2-Nitronaftalen |
| 581-89-5 | Karc.kat.2; R 45 | T | R 45 | S 53-45 | | | | |
| 209-474-5 | | | | | | | | |
| 609-038-00-8 | | | | | | | | |
| 1-Nitropropan |
| 108-03-2 | R 10 | Xn | R 10-20/21/22 | S (2-)9 | | c ≥ 5 | | |
| 203-544-9 | Xn; R 20/21/22 | | | | | R 20/21/22 | | |
| 609-001-00-6 | | | | | | | | |
| 2-Nitropropan |
| 79-46-9 | R 10 | T | R 45-10-20//22 | S 53-45 | c ≥ 25 | | | |
| 201-209-1 | Karc.kat.2; R 45 | | | | R 45-20/22 | | | |
| 609-002-00-1 | Xn; R 20/22 | | | | | | | |
| Poznámka E | | | | | | 0,1 ≤ c < 25 | | | |
| | | | | | R 45 | | | |
| 4-Nitrosoanilin |
| 659-49-4 | Xn; R 20/21/22 | Xn | R 20/21/22 | S (2-)25-28 | | | | |
| 211-535-6 | | | | | | | | |
| 612-011-00-3 | | | | | | | | |
| N-Nitrosodimethylamin |
| 62-75-9 | Karc.kat.2; R 45 | T+ | R 45-25-26-48/25- 51/53 | S 53-45-61 | | | | |
| 200-549-8 | T+; R 26 | N | | | | | |
| 612-077-00-3 | T; R 25-48/25 | | | | | | | |
| Poznámka E | | N; R 51-53 | | | | | | | |
| N-Nitrosodipropylamin |
| 621-64-7 | Karc.kat.2; R 45 | T | R 45-22-51/53 | S 53-45-61 | | | | |
| 210-698-0 | Xn; R 22 | N | | | | | | |
| Poznámka E | 612-098-00-8 | N; R 51-53 | | | | | | | |
| 2,2´-(Nitrosoimino)diethanol |
| 1116-54-7 | Karc.kat.2; R 45 | T | R 45 | S 53-45 | | | | |
| 214-237-4 | | | | | | | | |
| 612-090-00-4 | | | | | | | | |
| 2-Nitrotoluen |
| 88-72-2 | T; R 23/24/25 | T | R 23/24/25-33- 51/53 | S (1/2-)28-37-45-61 | | | | |
| 201-853-3 | N; R 51-53 | N | | | | | |
| Poznámka C | 609-006-00-3 | R 33 | | | | | | | |
| 4-Nitrotoluen |
| 99-99-0 | T; R 23/24/25 | T | R 23/24/25-33- 51/53 | S (1/2)-28-37-45-61 | | | | |
| 202-808-0 | N; R 51-53 | N | | | | | |
| Poznámka C | 609-006-00-3 | R 33 | | | | | | | |
| Nitrotoluidin |
| methyl-nitroaniliny |
| | T; R 23/24/25 | T | R 23/24/25-33- 51/53 | S (1/2-)28-36/37- 45-61 | | | | |
| | R 33 | N | | | | |
| Poznámka C | 612-025-00-X | N; R 51-53 | | | | | | | |
| 4-Nonylfenol, formaldehyd a dodekan-1-thiol, reakční produkt |
| | R 43 | Xi | R 43-53 | S (2-)24-37-61 | | | | |
| 404-160-6 | R 53 | | | | | | | |
| 604-035-00-8 | | | | | | | | |
| Norbormid |
| 5-[fenyl(hydroxy)(2-pyridyl)methyl]-8-[fenyl(2-pyridyl)methyliden]bicyklo[2.2.1]hept-5-en-2,3-dikarboxanhydrid |
| 991-42-4 | Xn; R 22 | Xn | R 22 | S (2) | | | | |
| 213-589-6 | | | | | | | | |
| 650-004-00-7 | | | | | | | | |
| cis-5-Norbornen-2,3-dikarboxanhydrid |
| cis-bicyklo[2.2.1]hept-5-en-2,3-dikarboxanhydrid |
| 129-64-6 | Xi; R 36/37/38 | Xi | R 36/37/38 | S (2-)39 | | | | c ≥ 1 |
| 204-957-7 | | | | | | | | R 36/37/38 |
| 607-105-00-6 | | | | | | | | |
| 2-Norbornyl-akrylát |
| (bicyklo[2.2.1]heptan-2-yl)-akrylát |
| 10027-06-2 | Xn; R 21 | Xn | R 21-38-43 | S (2-)28 | | c ≥ 25 | | 10 ≤ c < 25 |
| | Xi; R 38 | | | | | R 21-38-43 | | R 38-43 |
| 607-121-00-3 | R 43 | | | | | | | |
| | | | | | | | | 1 ≤ c < 10 |
| Poznámka D | | | | | | | | | R 43 |
| Noruron |
| 3-(4,7-methano-3a,4,5,6,7,7a-hexahydroindan-5-yl)-1,1-dimethylmočovina |
| 2163-79-3 | Xn; R 22 | Xn | R 22 | S (2) | | | | |
| 006-058-00-3 | | | | | | | | |
| Octan olovnatý |
| 301-04-2 | Repr.kat.1; R 61 | T | R 61-62-33-48/22 | S 53-45 | | | | |
| 206-104-4 | Repr.kat.3; R 62 | | | | | | | |
| Poznámka E | 082-005-00-8 | Xn; R 48/22 | | | | | | | |
| Poznámka 1 | | R 33 | | | | | | | |
| Octan olovnatý zásaditý |
| octan-hydroxid olovnatý |
| 1335-32-6 | Repr.kat.1; R 61 | T | R 61-62-33-40- 48/22 | S 53-45 | | | | |
| 215-630-3 | Repr.kat.3; R 62 | | | | | | |
| 082-007-00-9 | Karc.kat.3; R 40 | | | | | | | |
| Poznámka E | | Xn; R 48/22 | | | | | | | |
| Poznámka 1 | | R 33 | | | | | | | |
| Oktamolybdenan tetrakis[alkyl(C12-C18)trimethylamonný] |
| 116810-46-9 | F; R 11 | F | R 11-41-50/53 | S (2-)26-39-60-61 | | | | |
| 404-860-1 | Xi; R 41 | Xi | | | | | | |
| 042-003-00-X | N; R 50-53 | N | | | | | | |
| Oktamolybdenan tetrakis[dimethyl(ditetradecyl)amonný] |
| 117342-25-3 | Xi; R 41 | Xi | R 41 | S (2-)26-39 | | | | |
| 404-760-8 | | | | | | | | |
| 042-002-00-4 | | | | | | | | |
| Oktan |
| 111-65-9 | F; R 11 | F | R 11 | S (2-)9-16-29-33 | | | | |
| 203-892-1 | | | | | | | | |
| Poznámka C | 601-009-00-8 | | | | | | | | |
| Oktylenglykol viz 2-Ethylhexan-1,3-diol |
| 1-Oktyl-2-pyrrolidon |
| 2687-94-7 | C; R 34 | C | R 34 | S (1/2)-23-26- 36/37/39-45 | | | | |
| 403-700-8 | | | | | | | |
| 613-098-00-0 | | | | | | | | |
| 2-(Oktylsulfanyl)ethanol |
| 3547-33-9 | Xi; R 41 | Xi | R 41 | S (2-)26 | | | | |
| 222-598-4 | | | | | | | | |
| 603-088-00-4 | | | | | | | | |
| Oktyl-3,4,5-trihydroxybenzoát |
| oktyl-gallát |
| 1034-01-1 | Xn; R 22 | Xn | R 22-43 | S (2-)24-37 | | | | |
| 213-853-0 | R 43 | | | | | | | |
| 607-199-00-9 | | | | | | | | |
| Oleum viz Oxid sírový |
| Olovo, sloučeniny s výjimkou jmenovitě uvedených |
| | Repr.kat.1; R 61 | T | R 61-62-20/22-33 | S 53-45 | c ≥ 5 | | | |
| | Repr.kat.3; R 62 | | | | R 61-62-20/22-33 | | | |
| 082-001-00-6 | Xn; R 20/22 | | | | | | | |
| | R 33 | | | | 1 ≤ c< 5 | | | |
| Poznámka A | | | | | | R 61-20/22-33 | | | |
| Poznámka E | | | | | | 0,5 < c < 1 | | | |
| Poznámka 1 | | | | | | R 61-33 | | | |
| Omethoat |
| N-methyl-2-(dimethoxyfosforylsulfanyl)acetamid |
| 1113-02-6 | T; R 25 | T | R 21-25-50 | S (1/2-)23- 36/37- 45-61 | | | | |
| 214-197-8 | Xn; R 21 | N | | | | | |
| 015-066-00-6 | N; R 50 | | | | | | | |
| Ouabain viz Strofantin G |
| Oxadiazon |
| 5-terc-butyl-3-(2,4-dichlor-5-isopropoxyfenyl)-1,3,4-oxadiazol-2(3H)-on |
| 19666-30-9 | N; R 50-53 | N | R 50/53 | S 60-61 | | | | |
| 242-215-7 | | | | | | | | |
| 606-045-00-8 | | | | | | | | |
| Oxalonitril |
| 460-19-5 | F; R 11 | F | R 11-23 | S (1/2-)23-45 | | | | |
| 207-306-5 | T; R 23 | T | | | | | | |
| 608-011-00-8 | | | | | | | | |
| Oxamyl |
| S-methyl-[2-dimethylamino-2-oxo-N-(methylkarbamoyloxy)thioacetimidát) |
| 23135-22-0 | T+; R 26/28 | T+ | R 21-26/28 | S (1/2-)36/37-45 | | | | |
| 245-445-3 | Xn; R 21 | | | | | | | |
| 006-059-00-9 | | | | | | | | |
| Oxetan viz 1,3-Epoxypropan |
| Oxid antimonitý |
| 1309-64-4 | Karc.kat.3; R 40 | Xn | R 40 | S (2-)22-36/37 | | | | |
| 215-175-0 | | | | | | | | |
| 051-005-00-X | | | | | | | | |
| Oxid arseničný |
| 1303-28-2 | Karc.kat.1; R 45 | T | R 45-23/25 | S 53-45 | | | | |
| 215-116-9 | T; R 23/25 | | | | | | | |
| Poznámka E | 033-004-00-6 | | | | | | | | |
| Oxid arsenitý |
| 1327-53-3 | Karc.kat.1; R 45 | T+ | R 45-28-34 | S 53-45 | | | | |
| 215-481-4 | T+; R 28 | | | | | | | |
| Poznámka E | 033-003-00-0 | C; R 34 | | | | | | | |
| Oxid dusičitý |
| 10102-44-0 | T+; R 26 | T+ | R 26-34 | S (1/2-)9-26-28- 36/37/39-45 | T+: | 0,5 ≤ c < 1 | | |
| 233-272-6 | C; R 34 | | | c ≥ 10 | R 20-36/37/38 | | |
| 007-002-00-0 | | | | | R 26-34 | 0,1 ≤ c < 0,5 | | |
| | | | | | T: | R 20 | | |
| | | | | | 5 ≤ c < 10 | | | |
| | | | | | R 23-34 | | | |
| | | | | | 1 ≤ c | | | |
| Poznámka 5 | | | | | | R 23-36/37/38 | | | |
| Oxid dusičitý, dimer |
| 10544-72-6 | T+; R 26 | T+ | R 26-34 | S (1/2-)9-26-28- 36/37/39-45 | T+: | 0,5 ≤ c< 1 | | |
| 234-126-4 | C; R 34 | | | c ≥ 10 | R 20-36/37/38 | | |
| 007-002-00-0 | | | | | R 26-34 | | | |
| | | | | | T: | 0,1 ≤ c < 0,5 | | |
| | | | | | 5 ≤ c < 10 | R 20 | | |
| | | | | | R 23-34 | | | |
| | | | | | 1 ≤ c | | | |
| Poznámka 5 | | | | | | R 23-36/37/38 | | | |
| Oxid fosforečný |
| 1314-56-3 | C; R 35 | C | R 35 | S (1/2-)22-26-45 | | | | |
| 215-236-1 | | | | | | | | |
| 015-010-00-0 | | | | | | | | |
| Oxid chromový |
| 1333-82-0 | O; R 8 | O | R 49-8-25-35-43- 50/53 | S 53-45-60-61 | | | | |
| 215-607-8 | Karc.kat.1; R 49 | T | | | | | |
| 024-001-00-0 | T; R 25 | C | | | | | | |
| | C; R 35 | N | | | | | | |
| | R 43 | | | | | | | |
| Poznámka E | | N; R 50-53 | | | | | | | |
| Oxid kademnatý |
| 1306-19-0 | Karc.kat.2; R 49 | T | R 49-22-48/23/25 | S 53-45 | | | | |
| 215-146-2 | T; R 48/23/25 | | | | | | | |
| Poznámka E | 048-002-00-0 | Xn; R 22 | | | | | | | |
| Oxid kobaltnatý |
| 1307-96-6 | Xn; R 22 | Xn | R 22-43 | S (2-)24-37 | | | | |
| 215-154-6 | R 43 | | | | | | | |
| 027-002-00-4 | | | | | | | | |
| Oxid manganičitý |
| 1313-13-9 | Xn; R 20/22 | Xn | R 20/22 | S (2-)25 | | | | |
| 215-202-6 | | | | | | | | |
| 025-001-00-3 | | | | | | | | |
| Oxid měďný |
| 1317-39-1 | Xn; R 22 | Xn | R 22 | S (2-)22 | | | | |
| 215-270-7 | | | | | | | | |
| 029-002-00-X | | | | | | | | |
| Oxid molybdenový |
| 1313-27-5 | Xn; R 48/20/22 | Xn | R 36/37-48/20/22 | S (2-)22-25 | | | | |
| 215-204-7 | Xi; R 36/37 | | | | | | | |
| 042-001-00-9 | | | | | | | | |
| Oxid nikelnatý |
| 1313-99-1 | Karc.kat.1; R 49 | T | R 49-43 | S 53-45 | | | | |
| 215-215-7 | R 43 | | | | | | | |
| 028-003-00-2 | | | | | | | | |
| Oxid nikličitý |
| 12035-36-8 | Karc.kat.1; R 49 | T | R 49-43 | S 53-45 | | | | |
| 234-823-3 | R 43 | | | | | | | |
| 028-004-00-8 | | | | | | | | |
| Oxid niklitý |
| 1314-06-3 | Karc.kat.1; R 49 | T | R 49-43 | S 53-45 | | | | |
| 215-217-8 | R 43 | | | | | | | |
| 028-005-00-3 | | | | | | | | |
| Oxid osmičelý |