All substances take up the least amount of volume in their (1.) solid phase, a little more volume in their (2.) liquid phase, and the largest amount of volume in their (3.) gas phase. The closer atoms or molecules get to one another, the less volume is occupied by the substance that they comprise.
A large, retrospective series examining human bite wounds in children found that none of the bites manifesting as abrasions became infected, while the rate of infection was much higher in bite wounds that caused punctures or lacerations.
Chronic Effects on Humans: The substance is toxic to lungs, the nervous system. Other Toxic Effects on Humans: Very hazardous in case of inhalation. Hazardous in case of skin contact (irritant), of ingestion. Special Remarks on Toxicity to Animals: Not available. Special Remarks on Chronic Effects on Humans: Not available.