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Lab Chemicals
Aldehydes
PARALDEHYDE
PARALDEHYDE For Synthesis
2,4,6-Trimethyl-1,3,5-trioxane
Article No.
5127D
Grade
For Synthesis
Purity
98%
CAS No.
123-63-7
Molecular Formula
C
6
H
1
2
O
3
Molecular Weight
132.16
H.S. Code
2912.5000
Shelf Life
24 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Liquid
Colour
Clear Colorless
Odour
Aromatic odor
Melting point/ Freezing point [°C]
12 °C
Auto-ignition temperature [°C]
238°C
Flammability (solid, gas)
Flammable
Flash point [°C]
36°C
Boiling point [°C]
124°C
Vapour pressure [20°C]
25.3 mm of Hg (@ 20°C)
Vapour pressure mm/Hg
25.3 mm of Hg (@ 20°C)
Vapour density
4.5
Density [g/cm3]
0.996
Solubility in water [% weight]
Partially soluble in cold water
Partition coefficient Log Pow octanol / water at 20°C
0.50 - 0.95
Explosion limits - upper [%]
17%
Explosion limits -lower [%]
1.30%
Packings
500 ml
(00500)
2500 ml
(02500)
25 Liters
(0025K)
200 Liters
(0200K)
Specifications
Appearance
A clear colorless to pale yellow colored liquid
Assay
Min 98%
Density (d20°C/4°C)
0.992 - 0.994
Safety Information and Hazard Symbols
Symbol: GHS02
Signal Word: Warning
UN No.: 1264
IMCO Class No.: 3
Packing Group: III
Hazardous Statement: H226
Precaution Statement: P210
Revision Date :
19-Oct-2020