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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

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

ASTM D5134: GC Analysis of Hydrocarbons on Petrocol® DH 50.2

From our library of Articles, Sigma-Aldrich presents ASTM D5134: GC Analysis of Hydrocarbons on Petrocol® DH 50.2
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Size-exclusion chromatography

ASTM D6526: GC Analysis of Impurities in Toluene on SLB®-IL100, 30 m Column

From our library of Articles, Sigma-Aldrich presents ASTM D6526: GC Analysis of Impurities in Toluene on SLB®-IL100, 30 m Column
Keywords: Chromatography, Flame ionization detector, Gas chromatography

ASTM D6526: GC Analysis of Impurities in Toluene on SLB®-IL100, 60 m Column

From our library of Articles, Sigma-Aldrich presents ASTM D6526: GC Analysis of Impurities in Toluene on SLB®-IL100, 60 m Column
Keywords: Chromatography, Gas chromatography

EN Method 2005/108/EC: GC Analysis of Pesticide/PAH Compounds on SLB®-5ms

From our library of Articles, Sigma-Aldrich presents EN Method 2005/108/EC: GC Analysis of Pesticide/PAH Compounds on SLB®-5ms
Keywords: Chromatography, Gas chromatography, Pesticides, Purification

GC Analysis of Aromatics in Reforµlated Gasoline on Equity®-1

From our library of Articles, Sigma-Aldrich presents GC Analysis of Aromatics in Reforµlated Gasoline on Equity®-1
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of Aromatics in Reforµlated Gasoline on SLB®-IL111

From our library of Articles, Sigma-Aldrich presents GC Analysis of Aromatics in Reforµlated Gasoline on SLB®-IL111
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Separation

GC Analysis of Aromatics in Reforµlated Gasoline on SUPELCOWAX® 10

From our library of Articles, Sigma-Aldrich presents GC Analysis of Aromatics in Reforµlated Gasoline on SUPELCOWAX® 10
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of BTEX, Undecane, and Tridecane on SLB®-IL100

From our library of Articles, Sigma-Aldrich presents GC Analysis of BTEX, Undecane, and Tridecane on SLB®-IL100
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of Class 2 Residual Solvents on Equity®-1 after SPME using 85 μm Polyacrylate Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of Class 2 Residual Solvents on Equity®-1 after SPME using 85 μm Polyacrylate Fiber
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Pharmaceutical, Size-exclusion chromatography, Solid phase microextractions

GC Analysis of Class 2 Residual Solvents on OVI-G43

From our library of Articles, Sigma-Aldrich presents GC Analysis of Class 2 Residual Solvents on OVI-G43
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Pharmaceutical, Size-exclusion chromatography

GC Analysis of Class 2 Residual Solvents on VOCOL® after SPME using 85 μm Polyacrylate Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of Class 2 Residual Solvents on VOCOL® after SPME using 85 μm Polyacrylate Fiber
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Pharmaceutical, Size-exclusion chromatography, Solid phase microextractions

GC Analysis of Gasoline Residue in Arson Samples on a 100% Methyl Column after SPME using 100 μm PDMS Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of Gasoline Residue in Arson Samples on a 100% Methyl Column after SPME using 100 μm PDMS Fiber
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Sample preparations, Size-exclusion chromatography, Solid phase microextractions

GC Analysis of Hydrocarbons in Gasoline on Equity®-1 (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis

From our library of Articles, Sigma-Aldrich presents GC Analysis of Hydrocarbons in Gasoline on Equity®-1 (15 m x 0.10 mm I.D., 0.10 μm), Fast GC Analysis
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Size-exclusion chromatography

GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal

From our library of Articles, Sigma-Aldrich presents GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Separation

GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH

From our library of Articles, Sigma-Aldrich presents GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Size-exclusion chromatography

GC Analysis of Industrial Solvents on Equity®-1701

From our library of Articles, Sigma-Aldrich presents GC Analysis of Industrial Solvents on Equity®-1701
Keywords: Chromatography, Flame ionization detector, Gas chromatography

GC Analysis of Industrial Solvents on Equity®-1

From our library of Articles, Sigma-Aldrich presents GC Analysis of Industrial Solvents on Equity®-1
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Size-exclusion chromatography

GC Analysis of Industrial Solvents on SUPELCOWAX 10

From our library of Articles, Sigma-Aldrich presents GC Analysis of Industrial Solvents on SUPELCOWAX 10
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of Refinery Grade Unleaded Gasoline on TCEP (15 m x 0.10 mm I.D., 0.18 μm), Fast GC Analysis

From our library of Articles, Sigma-Aldrich presents GC Analysis of Refinery Grade Unleaded Gasoline on TCEP (15 m x 0.10 mm I.D., 0.18 μm), Fast GC Analysis
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of Solvents on a Packed Column (3% SP-1500 on Carbopack™ B)

From our library of Articles, Sigma-Aldrich presents GC Analysis of Solvents on a Packed Column (3% SP-1500 on Carbopack™ B)
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification

GC Analysis of Volatiles in Water on Equity®-1 after SPME using 30 μm PDMS Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of Volatiles in Water on Equity®-1 after SPME using 30 μm PDMS Fiber
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Size-exclusion chromatography, Solid phase microextractions

GC Analysis of Volatiles on SPB®-624, Direct Injection

From our library of Articles, Sigma-Aldrich presents GC Analysis of Volatiles on SPB®-624, Direct Injection
Keywords: Chromatography, Gas chromatography, Purification, Size-exclusion chromatography

GC Analysis of Volatiles on VOCOL® after SPME using 75 μm Carboxen/PDMS Fiber

From our library of Articles, Sigma-Aldrich presents GC Analysis of Volatiles on VOCOL® after SPME using 75 μm Carboxen/PDMS Fiber
Keywords: Chromatography, Gas chromatography, Mass spectrometry, Purification, Solid phase microextractions

GC Analysis of Xylene Isomers on SLB®-IL60

From our library of Articles, Sigma-Aldrich presents GC Analysis of Xylene Isomers on SLB®-IL60
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Separation, Size-exclusion chromatography

GC Analysis of a 56-Component Industrial Solvents Mix on SLB®-IL60, Comparison to a Polyethylene Glycol (PEG) Column

From our library of Articles, Sigma-Aldrich presents GC Analysis of a 56-Component Industrial Solvents Mix on SLB®-IL60, Comparison to a Polyethylene Glycol (PEG) Column
Keywords: Chromatography, Flame ionization detector, Gas chromatography

HPLC Analysis of Positional Isomers (Xylenes) on Astec® CYCLOBOND® I 2000

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Positional Isomers (Xylenes) on Astec® CYCLOBOND® I 2000
Keywords: Chromatography, High performance liquid chromatography

HPLC Analysis of Xylene Isomers on Discovery® Zr-Carbon

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Xylene Isomers on Discovery® Zr-Carbon
Keywords: Chromatography, High performance liquid chromatography

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

US EPA Method 502.2: GC Analysis of Volatiles on VOCOL® (105 m x 0.53 mm I.D.) after Purge & Trap using "K" Trap, ELCD Signal

From our library of Articles, Sigma-Aldrich presents US EPA Method 502.2: GC Analysis of Volatiles on VOCOL® (105 m x 0.53 mm I.D.) after Purge & Trap using "K" Trap, ELCD Signal
Keywords: Chromatography, Gas chromatography, Hall electrolytic conductivity detector, Photo-ionization detector, Purge and trap, Sample preparations

US EPA Method 502.2: GC Analysis of Volatiles on VOCOL® (105 m x 0.53 mm I.D.) after Purge & Trap using "K" Trap, PID Signal

From our library of Articles, Sigma-Aldrich presents US EPA Method 502.2: GC Analysis of Volatiles on VOCOL® (105 m x 0.53 mm I.D.) after Purge & Trap using "K" Trap, PID Signal
Keywords: Chromatography, Gas chromatography, Hall electrolytic conductivity detector, Photo-ionization detector, Purification

US EPA Method 524.2: GC Analysis of Volatiles on VOCOL® (105 m x 0.53 mm I.D.) after Purge & Trap using "K" Trap

From our library of Articles, Sigma-Aldrich presents US EPA Method 524.2: GC Analysis of Volatiles on VOCOL® (105 m x 0.53 mm I.D.) after Purge & Trap using "K" Trap
Keywords: Chromatography, Gas chromatography, Purification, Size-exclusion chromatography

US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on Equity®-1 (15 m x 0.10 mm I.D., 0.10 μm), Direct Injection, Fast GC Analysis

From our library of Articles, Sigma-Aldrich presents US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on Equity®-1 (15 m x 0.10 mm I.D., 0.10 μm), Direct Injection, Fast GC Analysis
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Size-exclusion chromatography

US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on Equity®-1 after Purge & Trap using "M" Trap

From our library of Articles, Sigma-Aldrich presents US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on Equity®-1 after Purge & Trap using "M" Trap
Keywords: Chromatography, Environmental, Flame ionization detector, Gas chromatography, Purification, Solid phase microextractions

US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on VOCOL® after Purge & Trap using "M" Trap

From our library of Articles, Sigma-Aldrich presents US EPA Method 8015 (modified): GC Analysis of Gasoline Range Organics (GRO) on VOCOL® after Purge & Trap using "M" Trap
Keywords: Chromatography, Environmental, Flame ionization detector, Gas chromatography, Purification, Solid phase microextractions

US EPA Method 8260: GC Analysis of Volatiles on SPB®-624 after Purge & Trap using "K" Trap, Fast GC Analysis

From our library of Articles, Sigma-Aldrich presents US EPA Method 8260: GC Analysis of Volatiles on SPB®-624 after Purge & Trap using "K" Trap, Fast GC Analysis
Keywords: Chromatography, Gas chromatography, Gas chromatography mass spectrometry, Mass spectrometry, Purge and trap, Purification, Solid phase microextractions

US EPA Method 8260: GC Analysis of Volatiles on SPB®-624 after Purge & Trap using "K" Trap

From our library of Articles, Sigma-Aldrich presents US EPA Method 8260: GC Analysis of Volatiles on SPB®-624 after Purge & Trap using "K" Trap
Keywords: Chromatography, Environmental, Gas chromatography, Purification, Solid phase microextractions

US EPA Method 8260: GC Analysis of Volatiles on VOCOL® after Purge & Trap using "K" Trap, Fast GC Analysis

From our library of Articles, Sigma-Aldrich presents US EPA Method 8260: GC Analysis of Volatiles on VOCOL® after Purge & Trap using "K" Trap, Fast GC Analysis
Keywords: Chromatography, Gas chromatography, Purification, Solid phase microextractions

US EPA Method 8260: GC Analysis of Volatiles on VOCOL® after Purge & Trap using "K" Trap

From our library of Articles, Sigma-Aldrich presents US EPA Method 8260: GC Analysis of Volatiles on VOCOL® after Purge & Trap using "K" Trap
Keywords: Chromatography, Gas chromatography, Purification, Solid phase microextractions

US EPA Method OLM04.2 VOA: GC Analysis of Volatiles on SPB®-624 after Purge & Trap using "K" Trap, Fast GC Analysis

From our library of Articles, Sigma-Aldrich presents US EPA Method OLM04.2 VOA: GC Analysis of Volatiles on SPB®-624 after Purge & Trap using "K" Trap, Fast GC Analysis
Keywords: Chromatography, Environmental, Gas chromatography, Purification, Solid phase microextractions

US EPA Method OLM04.2 VOA: GC Analysis of Volatiles on VOCOL® after Purge & Trap using "K" Trap, Fast GC Analysis

From our library of Articles, Sigma-Aldrich presents US EPA Method OLM04.2 VOA: GC Analysis of Volatiles on VOCOL® after Purge & Trap using "K" Trap, Fast GC Analysis
Keywords: Chromatography, Environmental, Gas chromatography, Purification, Solid phase microextractions

US EPA Method TO-17: GC Analysis of Volatiles on Equity®-1 after Collection/Desorption using Carbotrap 300 Tube

From our library of Articles, Sigma-Aldrich presents US EPA Method TO-17: GC Analysis of Volatiles on Equity®-1 after Collection/Desorption using Carbotrap 300 Tube
Keywords: Chromatography, Gas chromatography

US EPA Method TO-17: GC Analysis of Volatiles on VOCOL® after Collection/Desorption using Air Toxics Tube

From our library of Articles, Sigma-Aldrich presents US EPA Method TO-17: GC Analysis of Volatiles on VOCOL® after Collection/Desorption using Air Toxics Tube
Keywords: Air Monitoring, Chromatography, Flame ionization detector, Gas chromatography, Purification

Peer-Reviewed Papers
15

References

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