1,4-DIOXANE

1,4-DIOXANE AR

contains <=25 ppm BHT as stabilizer
Diethylene oxide; Dioxane

Article No.

00127

Grade

Purity

99.5%

CAS No.

123-91-1

Molecular Formula

C₄H₈O₂

Molecular Weight

88.11

H.S. Code

2932.9990

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical Properties

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 [%]

Packings

500 ml (00500)
2500 ml (02500)
25 Liters (0025K)
200 Liters (0200K)
2500 ml (02500)
2500 ml (02500)

Specifications

Appearance	A clear colorless liquid
Assay	Min 99.5%
Weight/ mL at 20°C	1.032 - 1.034 g
APHA colour	Max 10
Freezing point	Min 11 deg C
Refractive index (20°C; 589 nm)	1.421 - 1.423
Water (H2O)	Max 0.05%
Acidity (as CH3COOH)	Max 0.02%
Non-volatile matter	Max 0.01%
Copper (Cu)	Max 0.0001%
Iron (Fe)	Max 0.0001%
Lead (Pb)	Max 0.0001%

Safety Information and Hazard Symbols

Symbol: GHS02, GHS07, GHS08
Signal Word: Danger
UN No.: 1165
IMCO Class No.: 3
Packing Group: II
Hazardous Statement: H225-H319-H335-H351
Precaution Statement: P210-P261-P281-P305 + P351 + P338

Revision Date : 02-Jun-2023