Cyclohexane

vapor density

2.9 (vs air)

vapor pressure

168.8 mmHg ( 37.7 °C)
77 mmHg ( 20 °C)

Assay

≥99.7%

form

liquid

autoignition temp.

500 °F

expl. lim.

9 %

technique(s)

HPLC: suitable

impurities

≤0.0005% non-volatile matter
≤0.001% free acid (as HCl)
≤0.01% water (Karl Fischer)
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365 nm

evapn. residue

≤0.0005%

transmittance

220 nm, ≥20%
230 nm, ≥50%
235 nm, ≥80%
255 nm, ≥98%

refractive index

n20/D 1.426 (lit.)

bp

80.7 °C (lit.)

mp

4-7 °C (lit.)

density

0.779 g/mL at 25 °C (lit.)
0.780 g/mL at 25 °C

λ

H₂O reference

UV absorption

λ: 210 nm A_max: ≤1.00
λ: 220 nm A_max: ≤0.50
λ: 230 nm A_max: ≤0.20
λ: 235 nm A_max: ≤0.10
λ: 240 nm A_max: ≤0.08
λ: 250 nm A_max: ≤0.03
λ: 255 nm A_max: ≤0.01

SMILES string

C1CCCCC1

InChI

1S/C6H12/c1-2-4-6-5-3-1/h1-6H2

InChI key

XDTMQSROBMDMFD-UHFFFAOYSA-N