33147

Sigma-Aldrich

1,4-Dioxane

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (GC)

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
puriss. p.a.

Agency/Method

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 %

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

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. Oxidative degradation of 1,4-dioxane 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 has been employed as a 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.

Other Notes

The article number 33147-6X1L will be discontinued. Please order the single bottle 33147-1L which is physically identical with the same exact specifications.

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.
Environmental science & technology, 28(11), 1812-1818 (1994-10-01)
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