Merck
All Photos(1)

900640

Sigma-Aldrich

1,4-Dioxane

anhydrous, ZerO2®, 99.8%

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

grade

ZerO2®

Quality Level

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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Related Categories

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

Hazard Classifications

Carc. 1B - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

51.8 °F - closed cup

Flash Point(C)

11 °C - closed cup


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

Certificate of Analysis

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Certificate of Origin

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