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8.18804

Sigma-Aldrich

Trimethyl orthoacetate

for synthesis

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Synonym(s):
Trimethyl orthoacetate, 1,1,1-Trimethoxyethane, Orthoacetic acid trimethyl ester
Linear Formula:
CH3C(OCH3)3
CAS Number:
Molecular Weight:
120.15
MDL number:
EC Index Number:
215-892-9

vapor pressure

20 hPa ( 20 °C)

Quality Level

assay

≥98.0% (GC)

form

liquid

potency

>2000 mg/kg LD50, oral (Rat)

bp

108 °C/1013 hPa

transition temp

flash point 15 °C

density

0.96 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C5H12O3/c1-5(6-2,7-3)8-4/h1-4H3

InChI key

HDPNBNXLBDFELL-UHFFFAOYSA-N

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8.209348.008858.00251
Trimethyl orthoacetate for synthesis

8.18804

Trimethyl orthoacetate

Triethyl orthoacetate for synthesis

8.20934

Triethyl orthoacetate

Trimethyl orthoformate for synthesis

8.00885

Trimethyl orthoformate

Triethyl citrate for synthesis

8.00251

Triethyl citrate

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

density

0.96 g/cm3 at 20 °C

density

0.8888 g/cm3 at 20 °C

density

0.97 g/cm3 at 20 °C

density

1.135 g/cm3 at 25 °C

form

liquid

form

liquid

form

liquid

form

liquid

bp

108 °C/1013 hPa

bp

142 °C/1013 hPa

bp

102 °C/1013 hPa

bp

294 °C/1013 hPa

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

2-30°C

storage temp.

2-30°C

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.956 - 0.958
Identity (IR): passes test

pictograms

FlameExclamation mark

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2 - Skin Sens. 1B

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

55.4 °F - closed cup

flash_point_c

13 °C - closed cup


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