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PHR1312 Supelco

o-Xylene

Pharmaceutical Secondary Standard; Certified Reference Material

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 329823298

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Chromatography, I-Z,
grade   certified reference material
  pharmaceutical secondary 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
form   neat
autoignition temp.   867 °F
feature   nist traceable 3003
expl. lim.   7 %
refractive index   n20/D 1.505 (lit.)
bp   143-145 °C (lit.)
mp   -26--23 °C (lit.)
density   0.879 g/mL at 20 °C (lit.)
Featured Industry   Pharmaceutical (small molecule)
format   neat
pharmacopeia traceability   traceable to USP 1601849

Description

General description

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAB8972 in the slot below. This is an example certificate only and may not be the lot that you receive.

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

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Protocols & Articles

Articles

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

This application demonstrates the suitability of the Petrocol column for the efficient analysis of hydrocarbons as listed in ASTM method D5134.
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 reforulated Gasoline on Equity®-1

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

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

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

GC Analysis of Aromatics in reforulated Gasoline on SUPELCOWAX® 10

From our library of Articles, Sigma-Aldrich presents GC Analysis of Aromatics in reforulated 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, Size-exclusion chromatography, 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

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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