| Agent Name |
1,2,4-Trichlorobenzene |
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| CAS Number |
120-82-1 |
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| Formula |
C6-H3-Cl3 |
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| Major Category |
Solvents |
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| Synonyms |
1,2,4-Trichlorobenzene; 1,2,4-Trichlorobenzol; 1,3,4-Trichlorobenzene; Hostetex L-pec; Trojchlorobenzen [Polish]; unsym-Trichlorobenzene; [ChemIDplus] UN2321 |
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| Category |
Chlorinated Aromatic |
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| Description |
Colorless liquid or crystalline solid (below 63 degrees F) with an aromatic odor; [NIOSH] |
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| Sources/Uses |
Used as a dielectric and heat transfer fluid and as an intermediate for other organic chemicals; [ACGIH] Used as a degreaser, wood preservative, and dye solvent; [HSDB] |
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| Comments |
Animal studies show 1,2,4-trichlorobenzene to be toxic to the liver, kidneys, and brain (central nervous system depressant). [ACGIH] A skin, eye, and respiratory tract irritant; May cause liver injury; [ICSC] |
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| Exposure Assessment |
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| Skin Designation (ACGIH) |
No |
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| Ceiling (ACGIH) |
5 ppm |
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| Vapor Pressure |
0.46 mm Hg |
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| Odor Threshold Low |
2.96 ppm |
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| Explanatory Notes |
Odor threshold from AIHA; Flash point = 105 deg C; |
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| Flammability (NFPA) |
1: must be preheated |
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| Adverse Effects |
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| Neurotoxin |
CNS Solvent Syndrome |
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| Hepatotoxin |
Hepatotoxin, Secondary |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: 1,2,4-TRICHLOROBENZENE
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