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8.18758

Sigma-Aldrich

Dimethyl dicarbonate

for synthesis

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Synonym(s):
Dimethyl dicarbonate, Dimethyl pyrocarbonate, Pyrocarbonic acid dimethyl ester
Linear Formula:
(CH3OCO)2O
CAS Number:
Molecular Weight:
134.09
MDL number:
EC Index Number:
224-859-8

vapor pressure

0.7 hPa ( 20 °C)

Quality Level

assay

≥97.0% (acidimetric)

form

liquid

autoignition temp.

465 °C

potency

335 mg/kg LD50, oral (Rat)
>1250 mg/kg LD50, skin (Rat)

expl. lim.

3-29.9 % (v/v)

bp

172 °C/1013 hPa (decomposes)

mp

15-17 °C

transition temp

flash point 85 °C

solubility

35 g/L (decomposition)

density

1.25 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H6O5/c1-7-3(5)9-4(6)8-2/h1-2H3

InChI key

GZDFHIJNHHMENY-UHFFFAOYSA-N

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This Item
8.417518.03525294632
Dimethyl dicarbonate for synthesis

8.18758

Dimethyl dicarbonate

Diethyl dicarbonate for synthesis

8.41751

Diethyl dicarbonate

Dimethyl carbonate for synthesis

8.03525

Dimethyl carbonate

Methyl dimethoxyacetate 97%

294632

Methyl dimethoxyacetate

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

-

solubility

35 g/L (decomposition)

solubility

-

solubility

139 g/L

solubility

-

bp

172 °C/1013 hPa (decomposes)

bp

93-94 °C/24 hPa

bp

90 °C/1016 hPa

bp

67 °C/18 mmHg (lit.)

form

liquid

form

liquid

form

liquid

form

-

storage temp.

2-30°C

storage temp.

2-8°C

storage temp.

2-30°C

storage temp.

2-8°C

Analysis Note

Assay (acidimetric): ≥ 97.0 %
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

pictograms

CorrosionSkull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

185.0 °F

flash_point_c

85 °C


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