X1040

o-Xylene

reagent grade, ≥98.0%

• 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: 12352005
• PubChem Substance ID: 329830774
• NACRES: NA.21
• Grade: reagent grade
• Assay: ≥98.0%
• Bp: 143-145 °C (lit.)
• Vapor pressure: <0.1 atm ( 21.1 °C); 16 mmHg ( 37.7 °C); 7 mmHg ( 20 °C)

Properties

• grade: reagent grade
• Quality Level: 100
• vapor density: 3.7 (vs air)
• vapor pressure: <0.1 atm ( 21.1 °C); 16 mmHg ( 37.7 °C); 7 mmHg ( 20 °C)
• Assay: ≥98.0%
• form: liquid
• autoignition temp.: 867 °F
• expl. lim.: 7 %
• dilution: (for analytical testing)
• refractive index: n20/D 1.505 (lit.)

Description

General description

O-Xylene is an aromatic hydrocarbon that is commonly used as a solvent in the pharmaceutical, printing, rubber, cleaning agent, paint thinner, varnish, synthetic fiber, and leather industries.

Application

O-Xylene can be used as a reactant to synthesize:      

• Phthalic anhydride by oxidation using various catalysts.
• 4-Nitro-o-xylene using fuming nitric acid and polyphosphoric acid in the presence of an acid catalyst.

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