Conclusion The oral and inhalation toxicity of cycloheptatriene were graded as median, the ophthalmol irritation was as low to median and skin irritation was as median.

• 结论环庚三烯经口和吸入毒性属中毒级，经皮毒性属低毒性，皮肤刺激属中等刺激性物质，对眼属轻度至中度刺激性。