List of IARC Group 2B Agents - Possibly carcinogenic to humans
Substances, mixtures and exposure circumstances in this list have been classified by the International Agency for Research on Cancer as Group 2B: The agent is "possibly carcinogenic to humans". The exposure circumstance entails exposures that are possibly carcinogenic to humans. This category is used for agents, mixtures and exposure circumstances for which there is limited evidence of carcinogenicity in humans and less than sufficient evidence of carcinogenicity in experimental animals. It may also be used when there is inadequate evidence of carcinogenicity in humans but there is sufficient evidence of carcinogenicity in experimental animals. In some instances, an agent, mixture or exposure circumstance for which there is inadequate evidence of carcinogenicity in humans but limited evidence of carcinogenicity in experimental animals together with supporting evidence from other relevant data may be placed in this group.
Further details can be found in the .
Agents and groups of agents
A
- A-α-C
- Acetaldehyde
- Acetamide
- Acrylonitrile
- AF-2 -3-
- Aflatoxin M1
- 1-Amino-2,4-dibromoanthraquinone
- para-Aminoazobenzene
- ortho-Aminoazotoluene
- 2-Amino-5--1,3,4-thiadiazole
- Amsacrine
- ortho-Anisidine
- Anthraquinone
- Antimony trioxide
- Aramite
- Auramine
- Azaserine
- Aziridine
B
- Benzaceanthrylene
- Benzanthracene|Benzanthracene
- Benzofluoranthene|Benzofluoranthene
- Benzofluoranthene|Benzofluoranthene
- Benzofluoranthene|Benzofluoranthene
- Benzophenanthrene|Benzophenanthrene
- Benzophenone
- Benzofuran
- Benzyl violet 4B
- 2,2-Bispropane-1,3-diol
- BK polyomavirus
- Bleomycin
- Bracken fern
- Bromochloroacetic acid
- Bromodichloromethane
- 1-Bromopropane
- Butylated hydroxyanisole
- β-Butyrolactone
C
- Caffeic acid
- Carbazole
- Carbon black
- Carbon nanotubes, multi-walled MWCNT-7
- Carbon tetrachloride
- Catechol
- Chlordane
- Chlordecone
- Chlorendic acid
- para-Chloroaniline
- 3-Chloro-4--5-hydroxy-2-furanone
- Chloroform
- 1-Chloro-2-methylpropene
- 3-Chloro-2-methylpropene, technical grade
- Chlorophenoxy herbicides
- 4-Chloro-ortho-phenylenediamine
- Chloroprene
- Chlorothalonil
- Chrysene
- CI Acid Red 114
- CI Basic Red 9
- CI Direct Blue 15
- Citrus Red No. 2
- Cobalt and cobalt compounds
- Cobalt sulfate and other soluble cobalt salts
- Coconut oil diethanolamine condensate
- para-Cresidine
- Cumene
- Cycasin
D
- 2,4-D
- Dacarbazine
- Dantron
- Daunomycin
- DDT
- N,N'-Diacetylbenzidine
- 2,4-Diaminoanisole
- 4,4'-Diaminodiphenyl ether
- 2,4-Diaminotoluene
- Dibenzacridine
- Dibenzacridine
- 7H-Dibenzocarbazole
- Dibenzopyrene
- Dibenzopyrene
- Dibenzopyrene
- Dibromoacetic acid
- Dibromoacetonitrile
- 1,2-Dibromo-3-chloropropane
- 2,3-Dibromopropan-1-ol
- Dichloroacetic acid
- para-Dichlorobenzene
- 3,3'-Dichlorobenzidine
- 3,3'-Dichloro-4,4'-diaminodiphenyl ether
- 1,2-Dichloroethane
- 1,3-Dichloropropene
- 1,3-Dichloro-2-propanol
- Dichlorvos
- Diethanolamine
- Diphthalate
- 1,2-Diethylhydrazine
- Diglycidyl resorcinol ether
- Digoxin
- Dihydrosafrole
- Diisopropyl sulfate
- 3,3'-Dimethoxybenzidine
- para-Dimethylaminoazobenzene
- trans-2--5--1,3,4-oxadiazole
- 2,6-Xylidine
- Dimethylarsinic acid
- 3,3'-Dimethylbenzidine
- 1,1-Dimethylhydrazine
- Dimethyl-p-toluidine
- 3,7-Dinitrofluoranthene
- 3,9-Dinitrofluoranthene
- 1,3-Dinitropyrene
- 1,6-Dinitropyrene
- 1,8-Dinitropyrene
- 2,4-Dinitrotoluene
- 2,6-Dinitrotoluene
- 1,4-Dioxane
- Disperse Blue 1
E
- 1,2-Epoxybutane
- Ethyl acrylate
- Ethylbenzene
- Ethylene dichloride
- Ethyl methanesulfonate
F
- Foreign bodies, implanted in tissues
- 2--4-thiazole
- Fumonisin B1
- Furan
G
- Ginkgo biloba extract
- Glu-P-1
- Glu-P-2
- Glycidaldehyde
- Griseofulvin
H
- HC Blue No. 1
- Heptachlor
- Hexachlorobenzene
- Hexachloroethane
- Hexachlorocyclohexanes
- Hexamethylphosphoramide
- 2,4-Hexadienal
- Human immunodeficiency virus type 2
- Human papillomavirus types 26, 53, 66, 67, 70, 73, 82
- Human papillomavirus types 30, 34, 69, 85, 97
- Human papillomavirus types 5 and 8
- Hydrochlorothiazide
- 1-Hydroxyanthraquinone
I
- Indenopyrene
- Indium tin oxide
- Iron-dextran complex
- Isoprene
J
- JC polyomavirus
K
- Kava extract
L
- Lasiocarpine
- Lead
M
- Magnetic fields
- MeA-α-C
- Medroxyprogesterone acetate
- MeIQ
- MeIQx
- Melamine
- Merphalan
- Methylarsonic acid
- 2-Methylaziridine
- Methylazoxymethanol acetate
- 5-Methylchrysene
- 4,4'-Methylene bis
- 4,4'-Methylenedianiline
- Methyleugenol
- 2-Methylimidazole
- 4-Methylimidazole
- Methyl isobutyl ketone
- Methylmercury compounds
- 2-Methyl-1-nitroanthraquinone
- N-Methyl-N-nitrosourethane
- Methylthiouracil
- α-Methylstyrene
- Metronidazole
- Michler's base
- Michler's ketone
- Microcystin-LR
- Mirex
- Mitomycin C
- Mitoxantrone
- Molybdenum trioxide
- 3-Monochloro-1,2-propanediol
- Monocrotaline
- 5--3--2-oxazolidinone
- β-Myrcene
N
- Nafenopin
- Naphthalene
- Nickel, metallic and alloys
- Niridazole
- Nitrilotriacetic acid and its salts
- 5-Nitroacenaphthene
- 2-Nitroanisole
- 3-Nitrobenzanthrone
- Nitrobenzene
- Nitrofen
- 2-Nitrofluorene
- 1--2-imidazolidinone
- N-acetamide
- Nitrogen mustard N-oxide
- Nitromethane
- 2-Nitropropane
- 4-Nitropyrene
- N-Nitrosodi-n-butylamine
- N-Nitrosodiethanolamine
- N-Nitrosodi-n-propylamine
- 3-propionitrile
- N-Nitrosomethylethylamine
- N-Nitrosomethylvinylamine
- N-Nitrosomorpholine
- N-Nitrosopiperidine
- N-Nitrosopyrrolidine
- N-Nitrososarcosine
O
- Ochratoxin A
- Oil Orange SS
- Oxazepam
P
- Palygorskite
- Panfuran S
- Parathion
- Pentosan polysulfate sodium
- Perfluorooctanoic acid
- Phenazopyridine hydrochloride
- Phenobarbital
- Phenolphthalein
- Phenoxybenzamine hydrochloride
- Phenyl glycidyl ether
- Phenytoin
- PhIP
- Polychlorophenols and their sodium salts
- Ponceau MX
- Ponceau 3R
- Potassium bromate
- Primidone
- Progestins
- Progestogen-only contraceptives
- β-Propiolactone
- Propylene oxide
- Propylthiouracil
- Pulegone
- Pyridine
Q
- Quinoline
R
- Radiofrequency electromagnetic fields, such as, but not limited to, those associated with wireless phones
- Refractory ceramic fibres
- Riddelliine
S
- Safrole
- Schistosoma japonicum
- Silicon carbide, fibrous
- Sodium ortho-phenylphenate
- Special-purpose fibres such as E-glass and '475' glass fibres
- Sterigmatocystin
- Streptozotocin
- Sulfasalazine
- Sulfallate
T
- 1,1,1,2-Tetrachloroethane
- 1,1,2,2-Tetrachloroethane
- Tetrachlorvinphos
- Tetrahydrofuran
- Tetranitromethane
- Thioacetamide
- 4,4'-Thiodianiline
- 2-Thiouracil
- Titanium dioxide
- Toluene diisocyanates
- Toxaphene
- Triamterene
- Trichlormethine
- Trichloroacetic acid
- 2,4,6-Trichlorophenol
- Trp-P-1
- Trp-P-2
- Trypan blue
U
- Uracil mustard
V
- Vanadium pentoxide
- Vinyl acetate
- 4-Vinylcyclohexene
- 4-Vinylcyclohexene diepoxide
Z
- Zalcitabine
- Zidovudine
Mixtures
- Aloe vera, whole leaf extract
- Bitumens, occupational exposure to straight-run bitumens and their emissions during road paving
- Bitumens, occupational exposure to hard bitumens and their emissions during mastic asphalt work
- Carrageenan, degraded
- Chlorinated paraffins of average carbon chain length C12 and average degree of chlorination approximately 60%
- Diesel fuel, marine
- Engine exhaust, gasoline
- Fuel oils, residual
- Fusarium moniliforme, toxins derived from
- Gasoline
- Goldenseal root powder
- Magenta dyes
- Pickled vegetables
- Toxaphene
- Welding fumes
Exposure circumstances
- Carpentry and joinery
- Cobalt metal without tungsten carbide
- Dry cleaning
- Firefighter
- Printing processes
- Talc-based body powders
- Textile manufacturing industry