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Merck
CN

Specification Sheet

Product Name
Benzene ACS spectrophotometric grade, ≥99%

Product Number
154628

Product Brand
sial

CAS Number
71-43-2

Molecular Weight
78.11

Test

Specification

Appearance (Color)Colorless
Appearance (Form)Liquid
Infrared spectrumConforms to Structure
UV Absorbance 400nm≤0.01
UV Absorbance 380nm≤0.01
UV Absorbance 350nm≤0.02
UV Absorbance 330nm≤0.04
UV Absorbance 300nm≤0.10
UV Absorbance 290nm≤0.30
UV Absorbance 280nm≤1.00
Purity (GC)≥99.0 %
Water (by Karl Fischer)≤0.05 %
Residue on Evaporation≤0.001 %
Color Test≤10 APHA
Substances Darkened (by H2SO4)Pass
Sulfur compounds≤0.005 %
 as S
ThiophenePass
Meets ACS RequirementsCurrent ACS Specification
 10th Edition