What is Dimethyl Carbonate CAS 616-38-6?
CAS 616-38-6 Dimethyl carbonate also known as methyl carbonate,DMC, it is a colorless and odorless liquid, is a versatile chemical compound with diverse applications. It is characterized by its unique properties and wide-ranging utility across various industries. This mono-substituted carbonate derivative showcases a chemical structure where two methyl groups replace the hydrogen atoms in carbonate.
Dimethyl Carbonate Structure:
DMC is a symmetrical carbonate ester with the structural or IUPAC formula:
(CH3O)2CO
SMILES notation: COC(=O)OC
This compact, double-ester structure imparts polarity (dielectric constant ~3.1–3.9), aprotic characteristics, and biodegradability-while also reducing toxicity compared to chlorinated carbonates and methyl halides.
Is Dimethyl Carbonate bad for you?
Dimethyl carbonate (DMC) solvent is considered to have low toxicity and is classified as a "green" or "safer" chemical, but it still carries specific hazards that require careful handling.
- Flammability Hazard: Very flammable liquid (UN1161). Risk of fire and explosion.
- Health Hazards: Irritant to eyes and skin. Contact may cause itching, redness or temporary corneal irritation. High vapour concentrations may cause dizziness, headaches, nausea. Metabolises to methanol in the body, so ingestion causes methanol poisoning (e.g. visual disturbances, metabolic acidosis).
- Environmental Hazards: Low toxicity to aquatic systems and biodegradable, so minimal long-term impact on ecosystems when handled properly.
Handling: Use in well-ventilated areas; avoid open flames/sparks; store in cool, dry, fire-safe cabinets away from strong acids/bases and oxidizers
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