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294780 Sigma-Aldrich

o-Xylene

anhydrous, 97%

Synonym: 1,2-Dimethylbenzene

  • CAS Number 95-47-6

  • Linear Formula C6H4(CH3)2

  • Molecular Weight 106.17

  •  Beilstein/REAXYS Number 1815558

  •  EC Number 202-422-2

  •  MDL number MFCD00008519

  •  PubChem Substance ID 57648373

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Properties

Related Categories Anhydrous Solvents, Solvent Bottles, Solvent Packaging Options, Solvent by Application, Solvents,
grade   anhydrous
vapor density   3.7 (vs air)
vapor pressure   <0.1 atm ( 21.1 °C)
  16 mmHg ( 37.7 °C)
  7 mmHg ( 20 °C)
InChI Key   CTQNGGLPUBDAKN-UHFFFAOYSA-N
assay   97%
autoignition temp.   867 °F
expl. lim.   7 %
impurities   <0.003% water
  <0.005% water (100 mL pkg)
evapn. residue   <0.0003%
refractive index   n20/D 1.505 (lit.)
bp   143-145 °C (lit.)
mp   -26--23 °C (lit.)
solubility   water: partially soluble 0.1705 g/L at 25 °C
density   0.879 g/mL at 20 °C (lit.)

Description

Application

o-Xylene may be used as a solvent for the synthesis of N,N-dimethyl-5β-cholest-3-ene-5-acetamide from cholest-4-en-3β-ol. It may also be used as a starting material in the preparation of o-xylyl bromide, 4-bromo-o-xylene{45 and o-toluic acid.

Packaging

1, 2 L in Sure/Seal™

100 mL in Sure/Seal™

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
RIDADR 
UN1307 - class 3 - PG 3 - Xylenes
WGK Germany 
2
RTECS 
ZE2450000
Flash Point(F) 
87.8 °F
Flash Point(C) 
31 °C

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Dispensette™ S
Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

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Pressure-Temperature Nomograph Interactive Tool

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Properties of Solvents Table

The table below presents the physical characteristics of common solvents. Easily reference or compare solvent properties like boiling point, density, and refractive index all from one list.
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Peer-Reviewed Papers
15

References

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