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Merck
CN

40130

Dimethyl dicarbonate

≥97.0% (T)

Synonym(s):

DMPC, 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
EC Number:
224-859-8
UNSPSC Code:
12352202
PubChem Substance ID:
24865003
Beilstein/REAXYS Number:
956715
MDL number:
MFCD00008419

Key Documents

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InChI key

GZDFHIJNHHMENY-UHFFFAOYSA-N

InChI

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

SMILES string

COC(=O)OC(=O)OC

assay

≥97.0% (T)

shelf life

limited shelf life, expiry date on the label

refractive index

n20/D 1.392 (lit.), n20/D 1.393

bp

45-46 °C/5 mmHg (lit.)

density

1.25 g/mL at 25 °C (lit.)

storage temp.

room temp

Application

Antimicrobial agent effective for producing pathogen-free apple cider. Also useful for killing yeast (but not acetogenic bacteria) in wine before bottling.

Other Notes

Methoxycarbonylating agent, e.g. for aminobenzimidazoles and aminoisoxazoles

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

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

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Regulatory Information

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N Basaran-Akgul et al.
Food microbiology, 26(1), 8-15 (2008-11-26)
Escherichia coli has been identified as the causative agent in numerous foodborne illness outbreaks associated with the consumption of fresh apple cider. Apple cider has a pH which is normally below 4.0 and would not be considered a medium capable
H.K. Mayer et al.
Synthesis, 673-673 (1975)
Sunita Srivastava et al.
Journal of the American Chemical Society, 136(23), 8323-8332 (2014-05-08)
DNA-driven assembly of nanoscale objects has emerged as a powerful platform for the creation of materials by design via self-assembly. Recent years have seen much progress in the experimental realization of this approach for three-dimensional systems. In contrast, two-dimensional (2D)
Claudio Delfini et al.
Journal of agricultural and food chemistry, 50(20), 5605-5611 (2002-09-19)
Dimethyl dicarbonate (DMDC) was added to grape must and to synthetic media and results showed that, at 20 degrees C, 150 mg.L(-)(1) DMDC completely inhibited the fermentation of a grape must that was previously inoculated with 10(6) cells.mL(-)(1) Saccharomyces bayanus
Eun-Hye Lee et al.
Pharmaceutical research, 31(8), 2022-2034 (2014-02-20)
In an effort to apply the imaging techniques currently used in disease diagnosis for monitoring the pharmacokinetics and biodisposition of particulate drug carriers, we sought to use computed tomography (CT) scanning methodology to investigate the impact of surfactant on the
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