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8.18255

Sigma-Aldrich

Paraldehyde

for synthesis

Synonym(s):

Paraldehyde, 2,4,6-Trimethyl-1,3,5-trioxane

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About This Item

Empirical Formula (Hill Notation):
C6H12O3
CAS Number:
Molecular Weight:
132.16
MDL number:
UNSPSC Code:
12352005
EC Index Number:
204-639-8
NACRES:
NA.22

vapor pressure

13.3 hPa ( 20 °C)

Quality Level

assay

≥98.0% (GC)

form

liquid

autoignition temp.

235 °C

potency

2711 mg/kg LD50, oral (Rat)
13959 mg/kg LD50, skin (Rabbit)

expl. lim.

1.3-17.0 % (v/v)

bp

124 °C/1013 hPa

mp

12 °C

transition temp

flash point 27 °C

solubility

120 g/L

density

0.99 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C6H12O3/c1-4-7-5(2)9-6(3)8-4/h4-6H,1-3H3

InChI key

SQYNKIJPMDEDEG-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.992 - 0.994
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

pictograms

Flame

signalword

Warning

hcodes

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

75.2 °F - closed cup

flash_point_c

24 °C - closed cup


Certificates of Analysis (COA)

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