According to Wikipedia:
"DCM is the least
toxic of the simple
chlorohydrocarbons, but it is not without health risks, as its high
volatility makes it an acute inhalation hazard. It can also be absorbed through the skin.
Symptoms of acute overexposure to dichloromethane via inhalation include difficulty concentrating,
dizziness,
fatigue,
nausea,
headaches, numbness, weakness, and irritation of the
upper respiratory tract and
eyes. More severe consequences can include
suffocation,
loss of consciousness,
coma, and death.
DCM is also metabolized by the body to
carbon monoxide potentially leading to
carbon monoxide poisoning.Acute exposure by inhalation has resulted in
optic neuropathy and
hepatitis. Prolonged skin contact can result in DCM dissolving some of the
fatty tissues in skin, resulting in skin irritation or
chemical burns.
It may be
carcinogenic, as it has been linked to
cancer of the
lungs,
liver, and
pancreas in laboratory animals. Other animal studies showed
breast cancerand
salivary gland cancer. Research is not yet clear as to what levels may be carcinogenic. DCM crosses the
placenta.
Fetal toxicity in women who are exposed to it during
pregnancy, however, has not been proven.In animal experiments, it was fetotoxic at doses that were maternally toxic but no
teratogenic effects were seen.
In people with pre-existing heart problems, exposure to DCM can cause
abnormal heart rhythms and/or
heart attacks, sometimes without any other symptoms of overexposure. People with existing
liver,
nervous system, or
skinproblems may worsen after exposure to methylene chloride."
Doesn't seem like a good idea.