![]() ![]() When 1,4-dichlorobenzene is heated to decomposition, it produces toxic hydrogen chloride gas, a severe pulmonary irritant. 1,4-Dichlorobenzene vapor concentrations ranging from 6.2 to 16% in air are explosive in the presence of an ignition source. 1,4-Dichlorobenzene is partially soluble in water and soluble in organic solvents including alcohol, ether, benzene, chloroform, and carbon disulfide. 1,4-Dichlorobenzene has a penetrating mothball-like odor. 1,4-Dichlorobenzene has been detected in breast milk.Īt room temperature, 1,4-dichlorobenzene is a colorless to white combustible crystalline solid that slowly vaporizes when exposed to air. Dermal absorption does not appear to be a major route of absorption. 1,4-Dichlorobenzene is absorbed rapidly and distributed extensively after inhalation and ingestion. ![]() Odor detection may not provide adequate warning of hazardous concentrations of 1,4-dichlorobenzene. 1,4-Dichlorobenzene vapors are heavier than air and may accumulate in low-lying areas. 1,4-Dichlorobenzene is a colorless to white combustible crystalline solid at room temperature that slowly vaporizes when exposed to air and has a penetrating, mothball-like odor.Persons whose clothing or skin is contaminated with liquid 1,4-dichlorobenzene can cause secondary contamination by direct contact or through off-gassing vapor. Persons exposed only to 1,4-dichlorobenzene vapor do not pose risk of secondary contamination to others.Synonyms include p dichlorobenzene, p dichlorobenzol, para dichlorobenzene, p chlorophenyl chloride, PDB, and PDCB. Medical Management Guidelines for 1,4-Dichlorobenzene ![]()
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