Benceno

InChI key

UHOVQNZJYSORNB-UHFFFAOYSA-N

InChI

1S/C6H6/c1-2-4-6-5-3-1/h1-6H

SMILES string

c1ccccc1

agency

ISO, USP/NF, reag. Ph. Eur.

vapor density

2.77 (vs air)

vapor pressure

166 mmHg ( 37.7 °C), 74.6 mmHg ( 20 °C)

grade

puriss. p.a.

assay

≥99.7%

form

liquid

autoignition temp.

1043 °F

expl. lim.

8 %

impurities

≤0.0002% free alkali (as NH₃), ≤0.0004% free acid (as HCl), ≤0.001% non-volatile matter, ≤0.03% water (Karl Fischer), ≤1 ppm thiophene

color

APHA: ≤10

refractive index

n20/D 1.5000-1.5020

Quality Level

100

mp

5.5 °C (lit.)

transition temp

solidification point ≥5.2 °C

density

0.874 g/mL at 25 °C (lit.)

cation traces

Al: ≤0.5 mg/kg, B: ≤0.02 mg/kg, Ba: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.01 mg/kg, Fe: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.01 mg/kg, Sn: ≤0.1 mg/kg, Zn: ≤0.01 mg/kg