1,4-DIOXANE

1,4-DIOXANE For HPLC & UV Spectroscopy

Diethylene oxide; Dioxane

Article No.

00128

Grade

For HPLC & UV Spectroscopy

Purity

99.8%

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

1000 ml (01000)
2500 ml (02500)
2500 ml (02500)

Specifications

Appearance	A clear colorless liquid
Assay	Min 99.8%
Non-volatile matter	Max 0.001%
Acidity (as CH3COOH)	Max 0.01%
Water (H2O)	Max 0.05%
Minimum transmittance:
at 215 nm	10%
at 243 nm	50%
at 268 nm	80%
at 283 nm	90%
From 300 nm	98%

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 : 03-Jun-2017

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