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MGT-7 Form
1,4-DIOXANE For HPLC & UV Spectroscopy
Diethylene oxide; Dioxane
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Article No.
00128
Grade
For HPLC & UV Spectroscopy
Purity
99.8%
CAS No.
123-91-1
Molecular Formula
C
4
H
8
O
2
Molecular Weight
88.11
H.S. Code
2932.9990
Shelf Life
60 Months
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 [%]
2%
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 220 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:
23-Jun-2023
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HPLC, Spectroscopy Grade Solvents
1,4-DIOXANE