1.08331 Supelco


for spectroscopy Uvasol®

Synonym: Toluol, Methylbenzene

  • CAS Number 108-88-3

  • Linear Formula C6H5CH3

  • Molecular Weight 92.14

  •  Beilstein/REAXYS Number 635760

  •  MDL number MFCD00008512

  •  EC Index Number 203-625-9



Related Categories Solvent by Application, Solvents, Spectrophotometric Solvents, Spectroscopy Solvents (IR, NMR, UV/Vis)
Quality Level   100
vapor density   3.2 (vs air)
vapor pressure   22 mmHg ( 20 °C)
  26 mmHg ( 25 °C)
assay   ≥99.9% (GC)
form   liquid
autoignition temp.   997 °F
expl. lim.   7 %
application(s)   UV/Vis spectroscopy: suitable
refractive index   n/D 1.496 (lit.)
kinematic viscosity   0.7 cSt(20 °C)
bp   110-111 °C (lit.)
mp   -93 °C (lit.)
transition temp   flash point 4 °C
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
storage conditions   Store at +5°C to +30°C.


General description

Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol
solvents range has been specially designed for spectroscopy and other applications requiring solvents of the highest spectral purity. The refinement process allows a
greater degree of security in applications and avoids misinterpretation of analytical results caused by traces of UV, IR and fluorescence
contamination. Uvasol solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical
wavelengths are identified. Furthermore the transmittance is specified in accordance with Reag. Ph Eur and ACS.

Analysis Note

Purity (GC): ≥ 99.9 %
Evaporation residue: ≤ 0.0002 %
Water: ≤ 0.01 %
Colour: ≤ 10 Hazen
Acidity: ≤ 0.0001 meq/g
Alkalinity: ≤ 0.0002 meq/g
Fluorescence (as quinine at 365 nm): ≤ 1.0 ppb
Transmission (at 285 nm): ≥ 15 %
Transmission (at 290 nm): ≥ 60 %
Transmission (at 300 nm): ≥ 80 %
Transmission (at 310 nm): ≥ 90 %
Transmission (at 335 nm): ≥ 96 %
Transmission (from 350 nm): ≥ 98 %
Absorbance (at 285 nm): ≤ 0.82
Absorbance (at 290 nm): ≤ 0.22
Absorbance (at 300 nm): ≤ 0.10
Absorbance (at 310 nm): ≤ 0.05
Absorbance (at 335 nm): ≤ 0.02
Absorbance (from 350 nm): ≤ 0.01
Meet the requirements of "Specific use spectroscopy" according ACS

Legal Information

UVASOL is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Protocols & 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...

Solvents for Spectroscopy Uvasol®

Best Optical and Chemical Purity for Reliable Spectroscopy Results In spectroscopy applications, accurate analytic results depend on the use of very pure solvents for sample preparation. Uvasol® solv...
Keywords: Evaporation, Infrared spectroscopy, Purification, Sample preparations, Solvents, Spectroscopy

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?