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644498 Sigma-Aldrich

Benzene

purification grade

  • CAS Number 71-43-2

  • Empirical Formula (Hill Notation) C6H6

  • Molecular Weight 78.11

  •  Beilstein/REAXYS Number 969212

  •  EC Number 200-753-7

  •  MDL number MFCD00003009

  •  PubChem Substance ID 329759978

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Properties

Related Categories Benzene and Benzene Solutions, Solvent by Type, Solvents More...
grade   purification grade
vapor density   2.77 (vs air)
vapor pressure   166 mmHg ( 37.7 °C)
  74.6 mmHg ( 20 °C)
InChI Key   UHOVQNZJYSORNB-UHFFFAOYSA-N
assay   ≥99.75%
autoignition temp.   1043 °F
expl. lim.   8 %
evapn. residue   ≤0.0005%
refractive index   n20/D 1.501 (lit.)
bp   80 °C (lit.)
mp   5.5 °C (lit.)
density   0.874 g/mL at 25 °C (lit.)
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
RIDADR 
UN1114 - class 3 - PG 2 - Benzene
WGK Germany 
3
RTECS 
CY1400000
Flash Point(F) 
12.2 °F
Flash Point(C) 
-11 °C

Documents

Certificate of Analysis

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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...

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Pressure-Temperature Nomograph Interactive Tool

Use the interactive controls above to simplify calculations and improve the efficiency of your distillation or evaporation requirements.
Keywords: Evaporation, Vaporization

Properties of Solvents Table

The table below presents the physical characteristics of common solvents. Easily reference or compare solvent properties like boiling point, density, and refractive index all from one list.
Keywords: Gas chromatography, Green chemistry, High performance liquid chromatography, Melting, Solvents

Peer-Reviewed Papers
15

References

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