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179965 Sigma-Aldrich

Toluene

Laboratory Reagent, ≥99.3%

  • CAS Number 108-88-3

  • Linear Formula C6H5CH3

  • Molecular Weight 92.14

  •  Beilstein/REAXYS Number 635760

  •  EC Number 203-625-9

  •  MDL number MFCD00008512

  •  eCl@ss 39011102

  •  PubChem Substance ID 329751599

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Properties

Related Categories ReagentPlus, ReagentPlus Solvent Grade Products, ACS and Reagent Grade Solvents, Amber Glass Bottles, Carbon Steel Cans with NPT Threads,
Quality Level   100
grade   Laboratory Reagent
vapor density   3.2 (vs air)
vapor pressure   22 mmHg ( 20 °C)
  26 mmHg ( 25 °C)
assay   ≥99.3%
autoignition temp.   997 °F
expl. lim.   7 %
impurities   ≤0.05% water
evapn. residue   ≤0.005%
refractive index   n/D 1.496 (lit.)
bp   110-111 °C (lit.)
mp   -93 °C (lit.)
density   0.865 g/mL at 25 °C (lit.)
SMILES string   Cc1ccccc1
InChI   1S/C7H8/c1-7-5-3-2-4-6-7/h2-6H,1H3
InChI key   YXFVVABEGXRONW-UHFFFAOYSA-N

Description

General description

Toluene, a flammable liquid with a pungent odor, is widely employed as organic solvent. It is widely used as a precursor for synthesizing benzene and as a solvent in the paint industry. It has been reported to be a biotoxic solvent (toxic to many microorganisms at 0.1%v/v concentrations). Its anaerobic biodegradation to CO2, by the denitrifying bacterium Thauera arornatica has been reported. It forms syndiotactic polystyrene-toluene molecular compound. Crystal structure of this molecular compound has been investigated by X-ray diffraction studies.

Application

Toluene may be used as a solvent in the following studies:
• Preparation of 4-arm polylactide-based (PLA) star oligomer.
• Transformation of C6 sugar monomers/oligomers (glucose, maltose, and β-cyclodextrins) to levulinic acid in the presence of an acid catalyst.

Toluene undergoes alkylation in the presence of modified ZSM (Zeolite Socony Mobil)-5-class zeolite catalysts to form p-xylene with high selectivity. When doped on graphene, it acts as an electron donor leading to alteration in graphene electrical properties.

Packaging

1, 4 L in glass bottle

18, 20 L in steel drum

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN1294 - class 3 - PG 2 - Toluene
WGK Germany 
2
RTECS 
XS5250000
Flash Point(F) 
39.2 °F
Flash Point(C) 
4 °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...

Peer-Reviewed Papers
15

References

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