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95660 Sigma-Aldrich

o-Xylene

analytical standard

Synonym: 1,2-Dimethylbenzene

  • CAS Number 95-47-6

  • Linear Formula C6H4(CH3)2

  • Molecular Weight 106.17

  •  Beilstein Registry Number 1815558

  •  EC Number 202-422-2

  •  MDL number MFCD00008519

  •  PubChem Substance ID 329770473

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Properties

Related Categories Additional Standards, Alpha Sort, Analytical Standards, Analytical/Chromatography, Aromatics,
grade   analytical standard
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   ≥99.5% (GC)
form   neat
autoignition temp.   867 °F
shelf life   limited shelf life, expiry date on the label
expl. lim.   7 %
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
refractive index   n20/D 1.505(lit.)
  n20/D 1.505
bp   143-145 °C(lit.)
mp   -26--23 °C(lit.)
density   0.879 g/mL at 20 °C(lit.)
format   neat

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Price and Availability

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
Protocols & Articles

Articles

The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities

Organic volatile impurities or “OVIs” sometimes remain behind in pharmaceutical preparations as a result of synthetic and manufacturing procedures. For reasons of health and safety, testing is done t...
Katherine Stenerson, Shyam Verma
Reporter US Volume 28.1
Keywords: Chromatography, Gas chromatography, Organic synthesis, Pharmaceutical, Solvents

Peer-Reviewed Papers
15

References

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