676934

Sigma-Aldrich

1,4-Dioxane

ACS reagent, ≥99.0%

Synonym(s):
Diethylene oxide, Dioxane
Empirical Formula (Hill Notation):
C4H8O2
CAS Number:
Molecular Weight:
88.11
Beilstein/REAXYS Number:
102551
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent

vapor density

3 (vs air)

vapor pressure

27 mmHg ( 20 °C)
40 mmHg ( 25 °C)

assay

≥99.0%

form

liquid

autoignition temp.

356 °F

expl. lim.

22 %

application(s)

thin layer chromatography (TLC): suitable

impurities

≤0.0016 meq/g Titr. acid
≤0.005% Peroxide as (H2O2)
≤0.01% Carbonyl (as HCHO)
≤0.05% water

evapn. residue

≤0.005%

color

APHA: ≤20

refractive index

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

freezing point ≥11.0

density

1.034 g/mL at 25 °C (lit.)

SMILES string

C1COCCO1

InChI

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

InChI key

RYHBNJHYFVUHQT-UHFFFAOYSA-N

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General description

1,4-Dioxane is widely used as a solvent for various organic compounds in industry. It is a non-biodegradable contaminant found in industrial effluents. Its oxidative degradation by using oxygen and ozone has been useful in converting it into biodegradable products, which can be easily removed by conventional methods.

Application

1,4-Dioxane may be employed as solvent in the synthesis of N-(4-(prop-2-ynyloxy)phenyl)acetamide and 3-(4-(prop-2-ynyloxy)phenyl)-3,4-dihydro-2H-benzo[e][1,3]oxazine.

Packaging

1, 4 L in aluminum bottle

Signal Word

Danger

Hazard Statements

hazcat

Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Target Organs

Respiratory system

Supp Hazards

EUH019 - EUH066

storage_class_code

3 - Flammable liquids

WGK Germany

WGK 2

Flash Point(F)

51.8 °F - closed cup

Flash Point(C)

11 °C - closed cup

Certificate of Analysis

Certificate of Origin

Oxidation and biodegradability enhancement of 1,4-dioxane using hydrogen peroxide and ozone.
C D Adams et al.
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