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154628 Sigma-Aldrich

Benzene

ACS spectrophotometric grade, ≥99%

  • CAS Number 71-43-2

  • Empirical Formula (Hill Notation) C6H6

  • Molecular Weight 78.11

  •  Beilstein Registry Number 969212

  •  EC Number 200-753-7

  •  MDL number MFCD00003009

  •  PubChem Substance ID 24849458

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Properties

Related Categories Amber Glass Bottles, Benzene and Benzene Solutions, Solvent by Type, Solvent Bottles, Solvent Packaging Options,
grade   ACS spectrophotometric 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%
form   liquid
autoignition temp.   1043 °F
expl. lim.   8 %
impurities   H2SO4, passes test (darkened)
  thiophene, passes test (limit ~1 ppm)
  ≤0.005% S compounds
  ≤0.05% water
evapn. residue   ≤0.001%
color   APHA: ≤10
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.)
λ   H2O reference
UV absorption   λ: 280 nm Amax: 1.0
  λ: 290 nm Amax: 0.30
  λ: 300 nm Amax: 0.10
  λ: 330 nm Amax: 0.04
  λ: 350 nm Amax: 0.02
  λ: 380-400 nm Amax: 0.01

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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
Protocols & Articles
Peer-Reviewed Papers
15

References

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