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Merck
CN

42505

1,4-Dioxane

suitable for HPLC, ≥99.8% (GC)

Synonym(s):

Diethylene oxide, Dioxane

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About This Item

Empirical Formula (Hill Notation):
C4H8O2
CAS Number:
Molecular Weight:
88.11
EC Number:
204-661-8
UNSPSC Code:
12190000
MDL number:
Beilstein/REAXYS Number:
102551
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Product Name

1,4-Dioxane, suitable for HPLC, ≥99.8% (GC)

InChI

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

InChI key

RYHBNJHYFVUHQT-UHFFFAOYSA-N

SMILES string

C1COCCO1

vapor density

3 (vs air)

vapor pressure

27 mmHg ( 20 °C)
40 mmHg ( 25 °C)

assay

≥99.8% (GC)

autoignition temp.

356 °F

shelf life

limited shelf life, expiry date on the label

expl. lim.

22 %

technique(s)

HPLC: suitable

impurities

≤0.05% water

evapn. residue

≤0.001%

refractive index

n20/D 1.422 (lit.)
n20/D 1.422

bp

100-102 °C (lit.)

mp

10-12 °C (lit.)

density

1.034 g/mL at 25 °C (lit.)

solvent strength ε (Al2O3)

0.56

λ

1 cm path, H2O reference

UV absorption

λ: 220 nm Amax: 1.0
λ: 270 nm Amax: 0.1
λ: 300 nm Amax: 0.01

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