Acetylene liquid is shock sensitive. None known since product is a gas at room temperature. Contact of liquid acetone with the eyes may cause temporary irritation. Skin effects are not likely. Contact with liquid acetone may cause irritation and dermatitis upon repeated exposures.
Ingestion is unlikely, since acetylene is a gas at room temperature.
Acetylene is an asphyxiant and may cause anesthetic effects at high concentrations. High concentrations may exclude an adequate supply of oxygen to the lungs. As asphyxiation progresses, nausea, vomiting, prostration, and loss of consciousness may result, eventually leading to convulsions, coma, and death. Under normal operating conditions, acetone is not released from the cylinder. Acetone is primarily a central nervous system toxin causing headache, nausea, dizziness, vomiting and fatigue.