国际癌症研究机构二B类致癌物

2B类致癌物（Group 2B carcinogens），为国际癌症研究机构对致癌物质的分类，此类物质（或其混合物）可能对人类致癌。截至2024年5月2日，共用323种2B类致癌物（如黄樟素、四氯化碳、电磁波、抗甲状腺药物丙硫氧嘧啶、二异氰酸甲苯、抗爱滋病药物齐多夫定、汽油引擎废气、干洗业等），对人类为有可能致癌物，对动物为很可能也是致癌物。更多详细信息，可以搜寻国际癌症研究机构（IARC）专着。

**物质和物质组合**
Diisopropyl sulfate
*3,3'-Dimethoxybenzidine (o-Dianisidine)
*甲基黄
*trans-2-(Dimethylamino)methylimino-5-2-(5-nitro-2-furyl)-vinyl-1,3,4-oxadiazole
*2,6-Xylidine (2,6-Dimethylaniline)
*3,3'-Dimethylbenzidine (o-Tolidine)
*偏二甲肼
*3,7-Dinitrofluoranthene
*3,9-Dinitrofluoranthene
*1,6-Dinitropyrene
*1,8-Dinitropyrene
*2,4-二硝基甲苯
*二硝基甲苯
*1,4-二恶烷
*Disperse Blue 1
*1,2-环氧丁烷
*丙烯酸乙酯
*乙苯
*1,2-二氯乙烷
*甲磺酸乙酯
*Foreign bodies, implanted in tissues
:Polymeric, prepared as thin smooth films (with the exception of poly(glycolic acid))
:Metallic, prepared as thin smooth films
:Metallic cobalt, metallic nickel and an alloy powder containing 66-67% nickel, 13-16% chromium and 7% iron
*2-(2-Formylhydrazino)-4-(5-nitro-2-furyl)thiazole
*Fumonisin B1
*呋喃
*Glu-P-1 (2-Amino-6-methyldipyrido1,2-a:3',2'-dimidazole)
*Glu-P-2 (2-Aminodipyrido1,2-a:3',2'-dimidazole)
*Glycidaldehyde
*灰黄霉素
*HC Blue No. 1
*七氯
*六氯苯
*六氯乙烷
*六氯环己烷s
*六甲基磷酰胺 (HMPA)
*人类免疫缺陷病毒 type 2 (infection with)
*人类乳突病毒es: some types other than 16, 18, 31 and 33
*联氨
*1-Hydroxyanthraquinone
*Indeno1,2,3-cdpyrene
*Iron-dextran complex
*异戊二烯
*Lasiocarpine
*铅
*磁场s (极低频)
*MeA-a-C (2-Amino-3-methyl-9H-pyrido2,3-bindole)
*Medroxyprogesterone acetate
*MeIQ (2-Amino-3,4-dimethylimidazo4,5-fquinoline)
*MeIQx (2-Amino-3,8-dimethylimidazo4,5-fquinoxaline)
*Merphalan
*丙烯亚胺 (Propyleneimine)
*Methylazoxymethanol acetate
*5-Methylchrysene
*4,4'-Methylene bis(2-methylaniline)
*4,4'-Methylenedianiline
*Methylmercury compounds 1
*2-Methyl-1-nitroanthraquinone (uncertain purity)
*N-Methyl-N-nitrosourethane
*Methylthiouracil
*甲硝唑
*Michler's base (4,4'-methylene-bis(N,N-dimethyl)benzenamine)
*米氏酮 (4,4'-bis(dimethylamino)benzophenone)
*Microcystin-LR
*灭蚁乐
*丝裂霉素C
*米托蒽醌
*野百合碱
*5-(Morpholinomethyl)-3-(5-nitrofurfurylidene)amino-2-oxazolidinone
*萘酚平
*萘
*镍, metallic and alloys
*Niridazole
*氨三乙酸 and its salts 1
*5-Nitroacenaphthene
*2-Nitroanisole
*硝基苯
*6-Nitrochrysene
*护谷 (technical-grade)
*2-Nitrofluorene
*1-(5-Nitrofurfurylidene)amino-2-imidazolidinone
*N-4-(5-Nitro-2-furyl)-2-thiazolylacetamide
*Nitrogen mustard N-oxide
*硝基甲烷
*2-硝基丙烷
*1-硝基芘
*4-Nitropyrene
*N-Nitrosodi-n-butylamine
*N-Nitrosodiethanolamine
*N-Nitrosodi-n-propylamine
*3-(N-Nitrosomethylamino)propionitrile
*N-Nitrosomethylethylamine
*N-Nitrosomethylvinylamine
*N-Nitrosomorpholine
*N-亚硝基哌啶
*N-Nitrosopyrrolidine
*N-Nitrososarcosine
*Ochratoxin A
*Oestrogen-progestogen therapy, postmenopausal
*Oil Orange SS
*奥沙西泮
*坡缕石 (attapulgite)  (long fibres, >5微米)
*Panfuran S (containing dihydroxymethylfuratrizine)
*非那吡啶
*苯巴比妥
*酚酞
*Phenoxybenzamine hydrochloride
*Phenyl glycidyl ether
*苯妥英
*PhIP (2-amino-1-methyl-6-phenylimidazo(4,5-b)pyridine)
*Polychlorophenols and their sodium salts (mixed exposures)
*Ponceau MX
*Ponceau 3R
*溴酸钾
*Progestins
*Progestogen-only contraceptives
*1,3-丙磺酸内酯
*Β-丙内酯
*环氧丙烷
*-{zh-hans:丙硫氧嘧啶;zh-hant:硫月尿酮;}-（Propylthiouracil、PTU），抗甲状腺药物
*无线电波, such as, but not limited to, those associated with 移动电话 
*耐火陶瓷纤维
*瑞德灵
*黄樟素Safrole
*日本血吸虫 (infection with)
*Sodium orthophenyl phenol
*Special-purpose fibres such as E-glass and '475' glass fibres
*Sterigmatocystin
*链脲佐菌素
*苯乙烯
*Sulfallate
*四氟乙烯
*四硝基甲烷
*硫乙醯胺
*4,4'-Thiodianiline
*Thiouracil
*二氧化钛
*二异氰酸甲苯（2,4-Toluene diiso-cyanate, 2,4-TDI）
*三氯氮芥 (Trimustine hydrochloride)
*Trp-P-1 (3-Amino-1,4-dimethyl-5H-pyrido4,3-bindole)
*Trp-P-2 (3-Amino-1-methyl-5H-pyrido4,3-bindole)
*台盼蓝
*乌拉莫司汀
*五氧化二钒
*乙酸乙烯酯
*4-乙烯基环己烯
*4-Vinylcyclohexene diepoxide
*扎西他滨
*齐多夫定（Zidovudine，AZT）
*阿斯巴甜

**混合物**
沥青
*角叉菜胶
*氯化石蜡
*柴油
*汽油发动机尾气
*重油
*汽油
*品红染料
*腌、泡制的蔬菜（一些亚洲传统食品）
*多溴化联苯（多溴联苯标准品）
*毒杀芬（多氯莰烯）
*串珠镰刀菌分泌的毒素
*焊接烟尘

**接触场合**
房屋建材与木工装潢
*钴（未存放于碳化钨盒内）
*干洗
*消防
*印刷过程（职业接触）
*滑石粉（粉尘）
*纺织工业（生产过程）

**注释**
脚注
*1 Evaluated as a group.
*2 There is limited evidence in humans that coffee drinking is carcinogenic in the urinary bladder. 
*3 There is some evidence of an inverse relationship between coffee drinking and cancer of the large bowel.

**引用**

**外部链接**
  致癌物分类表描述, 国际癌症研究机构
**  致癌物分类表（最新版本）
** date=20120920150724 （2015年11月5日更新）