| Customization: | Available |
|---|---|
| Grade Standard: | Reagent Grade, Medicine Grade, Industrial Grade |
| Appearance: | Liquid |
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| Molecular formula | C3H6O3 | density | 1.069 | |
| molecular weight | 90.08 | melting point | 2-4 ºc | |
| CAS |
|
boiling point | 90 ºc | |
| EINECS | 210-478-4 | flash point | 18 ºc |
Folding instead of phosgene as a carbonylation agent
Although phosgene (Cl CO Cl) has high reactivity, its highly toxic and corrosive byproducts pose significant environmental pressure and will gradually be phased out; DMC (CH3O-CO-OCH3) has a similar nucleophilic reaction center. When the carbonyl group of DMC is attacked by nucleophilic forces, the acyl oxygen bond breaks, forming carbonyl compounds, with methanol as the byproduct. Therefore, DMC can replace phosgene as a safe reaction reagent to synthesize carbonate derivatives, such as carbamate pesticides, polycarbonates, isocarbonates, etc. Among them, polycarbonate will be the area with the highest demand for DMC, It is predicted that over 80% of DMC will be used to produce polycarbonate in 2005;
Folding instead of dimethyl sulfate as a methylation agent
Due to similar reasons to phosgene, dimethyl sulfate (CH3O-SO-OCH3) also faces pressure to be eliminated. When the methyl carbon of DMC is subjected to nucleophilic attack, its alkyl oxygen bond breaks, and methylation products are also generated. Moreover, the reaction yield using DMC is higher and the process is simpler than that of dimethyl sulfate. The main uses include synthetic organic intermediates, pharmaceutical products, pesticide products, etc;
Folding low toxicity solvent
DMC has excellent solubility, narrow melting and boiling point range, high surface tension, low viscosity, low dielectric constant, high evaporation temperature and fast evaporation rate. Therefore, it can be used as a low toxic solvent in the coating industry and pharmaceutical industry. From Table 1, it can be seen that DMC not only has low toxicity, but also has characteristics such as high flash point, low vapor pressure, and high explosion limit in air. Therefore, it is a green solvent that combines cleanliness and safety.
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