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Key Documents

8.20934

Sigma-Aldrich

Triethyl orthoacetate

for synthesis

Synonym(s):

Triethyl orthoacetate, Orthoacetic acid triethyl ester, 1,1,1-Triethoxyethane

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About This Item

Linear Formula:
CH3C(OC2H5)3
CAS Number:
78-39-7
Molecular Weight:
162.23
MDL number:
MFCD00009223
UNSPSC Code:
12352112
EC Index Number:
201-112-4
NACRES:
NA.22

vapor pressure

3.4 hPa ( 20 °C)

Quality Level

200

assay

≥96.0% (GC)

form

liquid

autoignition temp.

455 °C

expl. lim.

0.9-7.0 % (v/v)

bp

142 °C/1013 hPa

transition temp

flash point 39 °C

density

0.8888 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C8H18O3/c1-5-9-8(4,10-6-2)11-7-3/h5-7H2,1-4H3

InChI key

NDQXKKFRNOPRDW-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 96.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.888 - 0.892
Identity (IR): passes test

pictograms

Flame
GHS02

signalword

Warning

hcodes

H226

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

102.2 °F - Non-equilibrium method

flash_point_c

39 °C - Non-equilibrium method

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