295884

o-Xylene

suitable for HPLC, 98%

• Synonym(s): 1,2-Dimethylbenzene
• Linear Formula: C₆H₄(CH₃)₂
• CAS Number: 95-47-6
• Molecular Weight: 106.17
• Beilstein: 1815558
• EC Number: 202-422-2
• MDL number: MFCD00008519
• UNSPSC Code: 12190000
• PubChem Substance ID: 329753378
• NACRES: NA.21

Properties

• vapor density: 3.7 (vs air)
• vapor pressure: <0.1 atm ( 21.1 °C); 16 mmHg ( 37.7 °C); 7 mmHg ( 20 °C)
• Assay: 98%
• form: liquid
• autoignition temp.: 867 °F
• purified by: glass distillation
• expl. lim.: 7 %
• technique(s): HPLC: suitable
• impurities: <0.020% water
• evapn. residue: <0.0003%
• refractive index: n20/D 1.505 (lit.)
• bp: 143-145 °C (lit.)
• mp: -26--23 °C (lit.)
• solubility: water: soluble 0.1705 g/L at 25 °C
• density: 0.879 g/mL at 20 °C (lit.)
• λ: H₂O reference
• UV absorption: λ: 288 nm A_max: 1.00; λ: 300 nm A_max: 0.40; λ: 325 nm A_max: 0.05; λ: 350-400 nm A_max: 0.01
• application(s): food and beverages
• SMILES string: Cc1ccccc1C
• InChI: 1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3
• InChI key: CTQNGGLPUBDAKN-UHFFFAOYSA-N

Description

Application

• Photodegradation of xylene isomers: The study explores the kinetics, mechanism, secondary pollutant formation potential, and health risk evaluation associated with the photodegradation of xylene isomers, providing insights into environmental and safety aspects relevant to its use (Chen et al., 2024).


• Green-Solvent Processed Blade-Coating Organic Solar Cells: Demonstrates the use of green solvents in the fabrication of organic solar cells, achieving an efficiency close to 19%, which underscores o-Xylene′s relevance in developing environmentally friendly solvent systems for high-performance solar cells (Bai et al., 2023).


• Application of Composts′ Biochar as Potential Sorbent: Highlights the application of biochar derived from composts in reducing VOCs emission during kitchen waste storage, suggesting a viable application of o-Xylene in environmental management strategies (Rosik et al., 2023).


• A-A Strategy Enables Desirable Performance of All-Polymer Solar Cells: Discusses a novel approach to fabricating all-polymer solar cells using nonhalogenated solvents, promoting the use of o-Xylene in creating more sustainable and efficient photovoltaic devices (Peng et al., 2023).


• Understanding the Thickness and Light-Intensity Dependent Performance: This study addresses the performance variables in green-solvent processed organic solar cells, contributing to the optimization of solar energy technologies where o-Xylene′s solvent properties may be utilized (Lübke et al., 2023).

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Safety Information

• Pictograms: GHS02,GHS08,GHS07
• Signal Word: Danger
• Hazard Statements: H226,H304,H312 + H332,H315,H319,H335,H412
• Precautionary Statements: P210 - P273 - P280 - P301 + P310 - P303 + P361 + P353 - P331
• Hazard Classifications: 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
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 89.6 °F - closed cup
• Flash Point(C): 32.0 °C - closed cup