1,4-DIOXAN AR
Diethylene oxide; Dioxane

Article No.	504390500	Molecular Formula	C₄H₈O₂
H.S. Code	2932.9985	Molecular Weight	88.11
CAS No.	123-91-1

MSDS

TDS

COAs

Physical Properties

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Physical state at 20 °C

Liquid

Colour

Clear Colorless

Odour

Faint ether-like odor

pH value

6 to 8

Melting point/ Freezing point [°C]

10 - 12 °C

Auto-ignition temperature [°C]

180 °C

Flammability (solid, gas)

Flammable

Flash point [°C]

12 °C

Boiling point [°C]

100 - 102 °C

Initial boiling point [°C]

100°C

Final boiling point [°C]

102 °C

Evaporation rate

2.7

Vapour pressure [20°C]

36 hPa at 20 °C

Vapour density

3.03

Density [g/cm3]

1.03

Relative density, gas (air=1)

3.04

Partition coefficient Log Pow octanol / water at 20°C

-0.27

Explosion limits - upper [%]

22%

Explosion limits -lower [%]

Safety Information and Hazard Symbols

Symbol

GHS02, GHS07, GHS08

Signal Word

Danger

UN No

1165

IMCO Class No.

Hazardous Statement

H350-H319-H225-H335

Precaution Statement

P210-P280 P303+P361+P353-P304+P340-P305+P351+P338-P308+P313-P370+P378-P501

Packing Group

Packing

500 ML

Specifications

Assay Min 99.5 %
Wt.per ml at 20°C 1.032 - 1.034 g
APHA Color Max 10
Freezing point Min 11°C
Refractive index (20°C; 589 nm) 1.421 - 1.423
Water (H2O) Max 0.05 %
Acidity (CH3COOH) Max 0.02 %
Non volatile matter Max 0.01 %
Acetal [CH3CH(OC2H5)2] Max 0.8 %
Copper (Cu) Max 0.0001 %

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1,4-DIOXAN AR Diethylene oxide; Dioxane

Physical Properties

Safety Information and Hazard Symbols

Packing

Specifications

1,4-DIOXAN AR
Diethylene oxide; Dioxane