Agent Name

3-Methylcholanthrene

CAS Number

56-49-5

Formula

C21-H16

Major Category

Other Classes

Synonyms

1,2-Dihydro-3-methylbenz(j)aceanthrylene; 20-MC; 20-Methylcholanthrene; 3-MC; 3-MCA; 3-MCH; 3-MeCA; 3-Methyl-i,j-cyclopentabenz(a)anthracene; 3-Methylbenz(j)aceanthrene; 3-Methylcholanthren [German]; 3-Methylcyclopentabenzophenanthrene; Benz(j)aceanthrylene, 1,2-dihydro-3-methyl-; MC; MCA; Methylcholanthrene; [ChemIDplus]

Category

Polycyclic Aromatic Hydrocarbons

Description

Pale yellow solid; [Merck Index] Faintly yellow fine crystals; [Aldrich MSDS]

Sources/Uses

Used in cancer research; [Merck Index]

Comments

A moderate skin irritant; Evidence of carcinogenicity, reproductive effects, and mutagenicity in experimental animals; Emergency treatment: "Polynuclear aromatic hydrocarbons"; Acute toxicity of PAHs is low; PAHs may cause photosensitivity and may cause cancer after chronic exposure; [HSDB] A strong skin, eye, mucous membrane, and respiratory tract irritant; [CAMEO] Transplacental carcinogenicity observed in susceptible mice strains; No information available on effects to human reproduction or lactation; [REPROTOX] May cause irritation; [Aldrich MSDS] See "POLYCYCLIC AROMATIC HYDROCARBONS."

Exposure Assessment
Vapor Pressure

3.8E-6 mm Hg

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Other Information

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