p-Xylene
CAS 106-42-3C8H10106.16 g/mol
P-xylene is a xylene with methyl groups at positions 1 and 4.
IUPAC: 1,4-xylene
PubChem
Physical & Chemical Properties
| Melting Point | 55.9 °F (NTP, 1992) |
| Boiling Point | 280.9 °F at 760 mmHg (NTP, 1992) |
| Density | 0.861 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | Insoluble. (NTP, 1992) |
| Flash Point | 81 °F (NTP, 1992) |
| Vapor Pressure | 10 mmHg at 81.1 °F (NTP, 1992) |
| Appearance | 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. (USCG, 1999) |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2902
Data: UN Comtrade
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