Agent Name |
1,2,4-Trichlorobenzene |
CAS Number |
120-82-1 |
Formula |
C6-H3-Cl3 |
Major Category |
Solvents |
Synonyms |
1,2,4-Trichlorobenzene; 1,2,4-Trichlorobenzol; 1,3,4-Trichlorobenzene; Hostetex L-pec; Trojchlorobenzen [Polish]; unsym-Trichlorobenzene; [ChemIDplus] UN2321 |
Category |
Chlorinated Aromatic |
Description |
Colorless liquid or crystalline solid (below 63 degrees F) with an aromatic odor; [NIOSH] |
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] |
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] |
Exposure Assessment |
Skin Designation (ACGIH) |
No |
Ceiling (ACGIH) |
5 ppm |
Vapor Pressure |
0.46 mm Hg |
Odor Threshold Low |
2.96 ppm |
Explanatory Notes |
Odor threshold from AIHA; Flash point = 105 deg C; |
Flammability (NFPA) |
1: must be preheated |
Adverse Effects |
Neurotoxin |
CNS Solvent Syndrome |
Hepatotoxin |
Hepatotoxin, Secondary |
Links to Other NLM Databases |
Health Studies |
Human Health Effects from Hazardous Substances Data Bank: 1,2,4-TRICHLOROBENZENE
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