1,4-二氧六环

产品名称

1,4-二氧六环, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (GC)

InChI

1S/C4H8O2/c1-2-6-4-3-5-1/h1-4H2

InChI key

RYHBNJHYFVUHQT-UHFFFAOYSA-N

SMILES string

C1COCCO1

grade

ACS reagent
puriss. p.a.

agency

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

vapor density

3 (vs air)

vapor pressure

27 mmHg ( 20 °C)
40 mmHg ( 25 °C)

assay

≥99.5% (GC)

form

liquid

autoignition temp.

356 °F

contains

~25 mg/L 2,6-di-tert.-butyl-4-methylphenol as stabilizer

expl. lim.

22 %

technique(s)

GC/GC: suitable

impurities

≤0.001% free acid (as CH₃COOH)
≤0.001% non-volatile matter
≤0.005% acetaldehyde
≤0.005% peroxides (as H₂O₂)
≤0.01% carbonyl compounds (as HCHO)
≤0.05% water (Karl Fischer)

refractive index

n20/D 1.4210-1.4240
n20/D 1.422 (lit.)

pH

6.0-8 (20 °C, 500 g/L)

bp

100-102 °C (lit.)

mp

10-12 °C (lit.)

transition temp

solidification point ≤11 °C

density

1.034 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: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg

Quality Level

200