p-Xylene
SIAL/95680 - analytical standard
Synonym: 1,4-Dimethylbenzene
CAS Number: 106-42-3
Empirical Formula (Hill Notation): C8H10
Molecular Weight: 106.17
EC Number: 203-396-5
MDL Number: MFCD00008556
Linear Formula: C6H4(CH3)2
Product Type: Chemical
| application(s) | environmental |
| assay | ≥99.5% (GC) |
| autoignition temp. | 984 °F |
| bp | 138 °C (lit.) |
| density | 0.861 g/mL at 20 °C (lit.) |
| expl. lim. | 7 % |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C8H10/c1-7-3-5-8(2)6-4 |
| InChI key | URLKBWYHVLBVBO-UHFFFAOYSA |
| mp | 12-13 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| n |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | Cc1ccc(C)cc1 |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 3.7 (vs air) |
| vapor pressure | 9 mmHg ( 20 °C) |
| Application: | p-Xylene may be used as an analytical reference standard for the quantification of the analyte in occupational environmental samples and aqueous samples using gas chromatography technique with different modes of detection. |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | p-Xylene is an aromatic liquid , which is an isomeric form of xylene. It can be produced via Diels-Alder reaction between 2,5-dimethylfuran and ethylene catalyzed by zeolite. |
| General description: | p-Xylene is an aromatic liquid, which is an isomeric form of xylene. It can be produced via Diels-Alder reaction between 2,5-dimethylfuran and ethylene catalyzed by zeolite. |
| General description: | p-Xylene is an environmental pollutant belonging to the class of volatile organic compounds. It is emitted from a variety of sources including adhesives, degreasing agents, combustion products of wood and fuels, industrial paints, aerosols, etc. |
| Packaging: | 5, 50 mL in glass bottle |
| Recommended products: | Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial . |
| Symbol |    GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H226 - H304 - H312 + H332 - H315 - H335 - H412 |
| Precautionary statements | P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331 |
| Hazard Codes | Xn |
| Risk Statements | 10-20/21-38 |
| Safety Statements | 25 |
| RIDADR | UN1307 - class 3 - PG 3 - Xylenes |
| WGK Germany | WGK 2 |
| Flash Point(F) | 80.6 °F - closed cup |
| Flash Point(C) | 27 °C - closed cup |
| Purity | ≥99.5% (GC) |
| bp | 138 °C (lit.) |
| mp | 12-13 °C (lit.) |
| Density | 0.861 g/mL at 20 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |