It has also been shown to cause cancer in lab animals. It is banned in most labs. It is a liquid that was used as a strong solvent. This is a PCB and may cause cancer, handle carefully. Warning - Some liquids and gases listed may be explosive under the right conditions.
Many solids can catch fire and burn.
The values will depend on the purity of the substance your using. If you know your substance is contaminated or of poor quality then use the lower values reported. If you have unknown purity then use the average of the values given.