Dimethyl carbonate

CAS 616-38-6
EINECS 210-478-4
Chemical formula C3H6O3
The molecular weight is 90.0779
InChI InChI=1/C3H6O3/c1-5-3(4)6-2/h1-2H3
InChIKey IEJIGPNLZYLLBP-UHFFFAOYSA-N
1.024g/cm3 density
Melting point 2-4℃
The boiling point is 90.5°C at 760 mmHg
Flash point 18.3°C
139g/l water solubility
The vapor pressure is 56mmhg at 25 C.
Steam density 3.1 (vs air)
Refractive index 1.361
Store below+30 C. 。
Stable. Highly Flammable. Incomparable with strong oxidizing agents, potassium t-but oxide.
Appearance Liquid
Physical and chemical properties colorless transparent liquid with pungent smell.
It is an important intermediate in organic synthesis, and its molecular structure contains functional groups such as carbonyl, methyl and methoxy, which has various reaction properties. It has the characteristics of safety, convenience, less pollution and easy transportation in production.
The product is used as methylating agent and carbonylating agent in chemical synthesis, and is widely used in food antioxidant, plant protective agent and other fields.
Risk term R11-Highly flammable.
Safety term S16-Keep away from fire sources.
S9-Keep the container in a well ventilated place.
Transport number of dangerous goods UN 1161
WGK Germany 1
RTECS FG0450000
TSCA Yes
Customs number 2920 90 10
Hazard Class 3
Packing Group II
Colorless liquid with pungent smell. The relative density is 1.073. Melting point 2 ~ 4℃. The boiling point is 90.2℃. The refractive index is 1. 3697. The flash point (open cup) is 21.7℃. The viscosity is 0.664mPa．s .. Insoluble in water, soluble in organic solvents such as ethanol and ether.