| II | 447 | 5-Methyl-2,3-hexanedione (Acetyl isovaleryl), when used as a fragrance ingredient | 20/10/2010 |
| II | 448 | 2-Pentylidenecyclohexanone, when used as a fragrance ingredient | 20/10/2010 |
| II | 449 | 3,6,10-Trimethyl-3,5,9-undecatrien-2-one (Pseudo-Isomethyl ionone), when used as a fragrance ingredient | 20/10/2010 |
| II | 45 | Atropine, its salts and derivatives | 15/10/2010 |
| II | 452 | 6-(2-Chloroethyl)-6-(2-methoxyethoxy)-2,5,7,10-tetraoxa-6-silaundecane | 20/10/2010 |
| II | 453 | Cobalt dichloride | 17/12/2010 |
| II | 454 | Cobalt sulphate | 17/12/2010 |
| II | 455 | Nickel monoxide [1]; nickel oxide [2]; bunsenite [3] | 24/11/2016 |
| II | 456 | Dinickel trioxide | 17/12/2010 |
| II | 457 | Nickel dioxide | 17/12/2010 |
| II | 458 | Trinickel disulfide; nickel subsulfied [1]; heazlewoodite [2] | 24/10/2016 |
| II | 459 | Tetracarbonylnickel | 15/10/2010 |
| II | 46 | Barium salts, with the exception of barium sulphide under the conditions laid down in Annex III and of barium… | 17/10/2010 |
| II | 460 | Nickel (II) sulfide [1]; nickel sulfide [2]; millerite[3] | 24/10/2016 |
| II | 461 | Potassium bromate | 15/10/2010 |
| II | 462 | Carbon monoxide | 15/10/2010 |
| II | 463 | Buta-1,3-diene, see also entries 464-611 | 20/10/2010 |
| II | 464 | Isobutane, if it contains = >0,1% w/w Butadiene | 15/10/2010 |
| II | 465 | Butane, if it contains = >0,1 % w/w Butadiene | 15/10/2010 |
| II | 466 | Gases (petroleum), C3-4, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 467 | Tail gas (petroleum), catalytic cracked distillate and catalytic cracked naphtha fractionation absorber, if i… | 15/10/2010 |
| II | 468 | Tail gas (petroleum), catalytic polymn. naphtha fractionation stabilizer, if it contains
> 0.1 % w/w Butadiene | 15/10/2010 |
| II | 469 | Tail gas (petroleum), catalytic reformed naphtha fractionation stabilizer, hydrogen sulfide-free, if it conta… | 15/10/2010 |
| II | 47 | Benzene | 28/10/2010 |
| II | 470 | Tail gas (petroleum), cracked distillate hydrotreater stripper, if it contains > 0.1% w/w Butadiene | 15/10/2010 |
| II | 471 | Tail gas (petroleum), gas oil catalytic cracking absorber, if it contains > 0.1 % w/w Butadiene | 15/10/2010 |
| II | 472 | Tail gas (petroleum), gas recovery plant, if it contains > 0.1 % w/w Butadiene | 15/10/2010 |
| II | 473 | Tail gas (petroleum), gas recovery plant deethanizer, if it contains > 0.1% w/w Butadiene | 15/10/2010 |
| II | 474 | Tail gas (petroleum), hydrodesulfurised distillate and hydrodesulfurized naphtha fractionator, acid-free, if … | 15/10/2010 |
| II | 475 | Tail gas (petroleum), hydrodesulfurized vacuum gas oil stripper, hydrogen sulfide-free, if it contains > 0.1%… | 15/10/2010 |
| II | 476 | Tail gas (petroleum), isomerized naphtha fractionation stabilizer, if it contains > 0,1% w/w Butadiene | 15/10/2010 |
| II | 477 | Tail gas (petroleum), light straight-run naphtha stabilizer, hydrogen sulfide-free, if it contains > 0.1% w/w… | 15/10/2010 |
| II | 478 | Tail gas (petroleum), straight-run distillate hydrodesulfurized, hydrogen sulfide-free, if it contains > 0.1%… | 15/10/2010 |
| II | 479 | Tail gas (petroleum), propane-propylene alkylation feed prep deethanizer, if it contains > 0.1 % w/w Butadiene | 15/10/2010 |
| II | 48 | Benzimidazol-2(3H)-one | 15/10/2010 |
| II | 480 | Tail gas (petroleum), vacuum gas oil hydrodesulfurized, hydrogen sulfide-free, if it contains > 0.1 % w/w But… | 15/10/2010 |
| II | 481 | Gases (petroleum), catalytic cracked overheads, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 482 | Alkanes, C1-2, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 483 | Alkanes, C2-3, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 484 | Alkanes, C3-4, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 485 | Alkanes, C4-5, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 486 | Fuel-gases, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 487 | Fuel gases, crude oil distillates, if they contain > 0.1 % w/w Butadiene | 15/10/2010 |
| II | 488 | Hydrocarbons, C3-4, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 489 | Hydrocarbons, C4-5, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 49 | Benzazepines and benzodiazepines | 17/10/2010 |
| II | 490 | Hydrocarbons, C2-4, C3-rich, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 491 | Petroleum gases, liquefied, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 492 | Petroleum gases, liquefied, sweetened, if they contain > 0.1% w/w Butadiene | 15/10/2010 |
| II | 493 | Gases (petroleum), C3-4, isobutane-rich, if they contain > 0.1% w/w Butadiene | 15/10/2010 |