900640

Sigma-Aldrich

1,4-Dioxane

anhydrous, ZerO2®, 99.8%

Synonym(s):
1,4-Dioxane ZerO2®, Diethylene oxide, Degassed and low oxygen 1,4-dioxane, Dioxane
Empirical Formula (Hill Notation):
C4H8O2
CAS Number:
Molecular Weight:
88.11
Beilstein/REAXYS Number:
102551
EC Number:
MDL number:
NACRES:
NA.21

Quality Level

grade

ZerO2®

vapor density

3 (vs air)

vapor pressure

27 mmHg ( 20 °C)
40 mmHg ( 25 °C)

assay

99.8%

form

liquid

autoignition temp.

356 °F

quality

anhydrous

expl. lim.

22 %

impurities

≤0.003% water
water

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.)

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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Application

ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content.

Legal Information

ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC

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

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