1.09798

o-Xylen

reference substance for gas chromatography

• Synonym(e): 1,2-Dimethyl-benzol
• Lineare Formel: C₆H₄(CH₃)₂
• CAS-Nummer: 95-47-6
• Molekulargewicht: 106.17
• Beilstein: 1815558
• MDL-Nummer: MFCD00008519
• UNSPSC-Code: 12352005
• EG-Index-Nummer: 202-422-2

Eigenschaften

• Dampfdichte: 3.7 (vs air)
• Qualitätsniveau: 100
• Dampfdruck: <0.1 atm ( 21.1 °C); 16 mmHg ( 37.7 °C); 7 mmHg ( 20 °C)
• Assay: ≥99% (GC)
• Form: liquid
• Selbstzündungstemp.: 867 °F
• Expl.-Gr.: 7 %
• Methode(n): gas chromatography (GC): suitable
• Brechungsindex: n20/D 1.505 (lit.)
• bp: 143-145 °C (lit.)
• mp (Schmelzpunkt): -26--23 °C (lit.)
• Übergangstemp.: flash point 30 °C
• Löslichkeit: 0.18 g/L
• Dichte: 0.879 g/mL at 20 °C (lit.)
• Lagertemp.: 2-30°C
• SMILES String: Cc1ccccc1C
• InChI: 1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3
• InChIKey: CTQNGGLPUBDAKN-UHFFFAOYSA-N

Beschreibung

Anwendung

• o-Xylene for spectroscopy and chromatography: The use of o-Xylene in the field analysis of gas-phase VOCs highlights its application as an effective solvent in compound-specific isotope analysis, underlining its importance in environmental monitoring and pharmaceutical research (J Contam Hydrol, 2024; doi: 10.1016/j.jconhyd.2024.104310).


• o-Xylene in molecular biology research applications: Research utilizes o-Xylene in molecular dynamics simulations to understand the adsorption and diffusion behaviors of aromatic compounds, providing insights crucial for the development of advanced materials and pharmaceutical applications (Langmuir, 2024; doi: 10.1021/acs.langmuir.3c03706).

Hinweis zur Analyse

Gehalt (GC): ≥ 99.0 %
Identität (IR-Spektrum): entspricht

Sicherheitshinweise

• Piktogramme: GHS02,GHS07,GHS08
• Signalwort: Danger
• H-Sätze: H226 - H304 - H312 + H332 - H315 - H319 - H335 - H412
• P-Sätze: P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331
• Gefahreneinstufungen: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 2
• Flammpunkt (°F): 89.6 °F - closed cup
• Flammpunkt (°C): 32.0 °C - closed cup