| Compound Description | P-xylene appears as a colorless watery liquid with a sweet odor. Less dense than water. Insoluble in water. Irritating vapor. Freezing point is 56 °F. P-xylene is a xylene with methyl groups at positions 1 and 4.p-Xylene has been reported in Basella alba, Helianthus tuberosus, and other organisms with data available.p-Xylene is an aromatic hydrocarbon based on benzene with two methyl substituents with the chemical formula C8H10 or C6H42. The p stands for para, identifying the location of the methyl groups as across from one another. Overexposure of p-xylene in humans can cause headache, fatigue, dizziness, listlessness, confusion, irritability, gastrointestinal disturbances including nausea and loss of appetite, flushing of the face, and a feeling of increased body heat. p-Xylene vapor exposure over the recommended exposure limit of 100 parts per million can cause irritation to eye, nose, and throat and possible chest tightening and an abnormal gait.See also: M-Xylene ; O-Xylene ; Xylene . |
