List_of_IARC_Group_2B_carcinogens

IARC group 2B

IARC group 2B

Classification of agents that are possibly carcinogenic to humans

IARC group 2B substances, mixtures and exposure circumstances are those that have been classified as "possibly carcinogenic to humans" by the International Agency for Research on Cancer (IARC) as [1] This category is used when 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.

This list focuses on the hazard linked to the agents. This means that the carcinogenic agents are capable of causing cancer, but this does not take their risk into account, which is the probability of causing a cancer given the level of exposure to this carcinogenic agent.[2] The list is up to date as of January 2024.[3]

Agents and groups of agents

A

B

C

D

E

F

  • 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

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

Z

Mixtures

Exposure circumstances

Notes

  • ^1 Evaluated as a group.

See also

References

  1. [1]
    "List of Classifications, Agents classified by the IARC Monographs, Volumes 1–124". IARC Monographs on the Evaluation of Risk to Humans. IARC. July 7, 2019. Retrieved July 14, 2019.
  2. [2]
    "IARC monographs preamble (as amended in 2019)" (PDF). International Agency for Research on Cancer (IARC). Retrieved August 18, 2023. A cancer hazard is an agent that is capable of causing cancer, whereas a cancer risk is an estimate of the probability that cancer will occur given some level of exposure to a cancer hazard.
  3. [3]
    "List of Classifications – IARC Monographs on the Identification of Carcinogenic Hazards to Humans". monographs.iarc.who.int. Retrieved 2024-02-01.
  4. [4]
    Press release No 208, 31 May 2011, IARC classifies Radiofrequency Electromagnetic Fields as possibly carcinogenic to humans
  5. [5]
    "Printing Processes and Printing Inks, Carbon Black and Some Nitro Compounds". IARC Publications Website. Retrieved 2023-10-31.
  6. [6]
    J, Wilbourn; C, Partensky; WG., Morgan (1996). "Printing Processes and Printing Inks, Carbon Black and Some Nitro Compounds". International Agency for Research on Cancer. PMID 9148039. Retrieved 2023-10-31.
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