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Merck

8.18758

Dimethyl dicarbonate

for synthesis

Synonym(s):

Dimethyl dicarbonate, Dimethyl pyrocarbonate, Pyrocarbonic acid dimethyl ester

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About This Item

Linear Formula:
(CH3OCO)2O
CAS Number:
4525-33-1
Molecular Weight:
134.09
UNSPSC Code:
12352108
EC Index Number:
224-859-8
NACRES:
NA.22
MDL number:
MFCD00008419

Key Documents

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Product Name

Dimethyl dicarbonate, for synthesis

SMILES string

O(C)C(=O)OC(=O)OC

InChI

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

InChI key

GZDFHIJNHHMENY-UHFFFAOYSA-N

vapor pressure

0.7 hPa ( 20 °C)

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

Quality Level

200

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.

Application

  • Enhancing microbial control in beverage production: A study evaluated the combined effect of high pressure processing and dimethyl dicarbonate (DMDC) for inactivating foodborne pathogens in apple juice, demonstrating DMDC′s efficacy as a microbial control agent in beverage preservation (Petrus et al., 2020).
  • Alternative to heat treatment in juice fermentation: Research explored the effects of dimethyl dicarbonate (DMDC) on the fermentation of litchi juice by Lactobacillus casei, presenting DMDC as a viable non-thermal preservation method that could replace traditional heat treatments in the food industry (Yu et al., 2014).

Disclaimer

The product is not intended for use as a biocide under global biocide regulations, including but not limited to the US EPA′s Federal Insecticide Fungicide and Rodenticide Act, the European Biocidal Products Regulation, Canada’s Pest Management Regulatory Agency, Turkey’s Biocidal Products Regulation, Korea’s Consumer Chemical Products and Biocide Safety Management Act (K-BPR), and others.

pictograms

CorrosionSkull and crossbones
GHS05,GHS06

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

WGK 3

flash_point_f

185.0 °F

flash_point_c

85 °C

Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
8.18758.010004022536445021

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