8.08691

p-Xylene

for synthesis

• Synonym(s): p-Xylene, 1,4-Dimethylbenzene
• Linear Formula: C₆H₄-1,4-(CH₃)₂
• CAS Number: 106-42-3
• Molecular Weight: 106.17
• MDL number: MFCD00008556
• UNSPSC Code: 12352005
• EC Index Number: 203-396-5
• NACRES: NA.22

Properties

• vapor pressure: 8.7 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥99.0% (GC)
• form: liquid
• autoignition temp.: 540 °C
• potency: 3910 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 1.1-7 % (v/v)
• bp: 138.4 °C/1013 hPa
• mp: 13.3 °C
• transition temp: flash point 24 °C
• solubility: 0.2 g/L
• density: 0.86 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C8H10/c1-7-3-5-8(2)6-4-7/h3-6H,1-2H3
• InChI key: URLKBWYHVLBVBO-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.860 - 0.862
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• Pictograms: GHS02,GHS07,GHS08
• 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): 80.6 °F - closed cup
• Flash Point(C): 27 °C - closed cup